January Weather in Blaenavon, United Kingdom

Last updated: March 17, 2025

January in Blaenavon, United Kingdom, brings a unique blend of winter chill and dampness. With maximum temperatures reaching 13°C (56°F) and a chilly average of 5°C (41°F), residents can expect cool days and crisp nights, where temperatures can dip as low as -5°C (24°F). This month also sees 61 mm (2.4 in) of precipitation over approximately 11 days, contributing to the region's characteristic humidity level of 88%. The combination of these factors creates an atmosphere that feels both fresh and invigorating, perfect for those who enjoy a quintessentially British winter experience.

January Temperature in Blaenavon

In Blaenavon, United Kingdom, January is characterized by chilly temperatures, with lows dipping to -5°C (24°F) and averages around 5°C (41°F). During this winter month, highs can reach a moderate 13°C (56°F), signaling the early whispers of spring. This trend of gradually increasing temperatures continues into February, where the average climbs slightly to 6°C (42°F), while March showcases a more noticeable shift as temperatures start to soar, with highs peaking at 20°C (68°F). As the month progresses toward April, the landscape begins to warm, offering a gentle transition hinting at the vibrant spring ahead. Throughout January, the results reflect not only the coldness typical of the season but also pave the way for the gradual revival of nature as winter loosens its grip.

January Weather in Blaenavon: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Blaenavon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244485359636157524643
Data source: Temperature data for Blaenavon generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Blaenavon

January in Blaenavon marks the start of the year with a moderate precipitation amount of 61 mm (2.4 in), falling on approximately 11 wet days. This sets a precedent for the wetter months ahead, as February and March see a noticeable increase in rainfall with totals of 84 mm (3.3 in) and 88 mm (3.5 in), respectively. The region’s rainfall tends to peak in the autumn months, notably in October with 111 mm (4.4 in), showcasing a clear trend of increased precipitation as the year progresses. Overall, January serves as a transitional month, hinting at the lush, verdant landscapes that are characteristic of Blaenavon's wet climate throughout the year.

January Precipitation Trends in Blaenavon

The chart displays monthly precipitation patterns in Blaenavon, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec61848858798273846311184108
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Blaenavon

In Blaenavon, January ushers in a month marked by high humidity, averaging a significant 88%. This elevated moisture level persists through February before gradually declining in March to 86%. The trend continues, with April and May seeing lower averages of 84% and 80%, respectively, as spring unfolds. Summer brings further relief, with July and June both settling at 70% and 80% humidity, providing a refreshing contrast. However, as autumn approaches, humidity levels begin to rise again, peaking in November at 90% before tapering off slightly in December. Overall, January sets the stage for a winter characterized by persistent moisture that transitions to a drier, more comfortable summer before returning to damp conditions in the fall.

January Average Humidity in Blaenavon

This chart illustrates the average monthly humidity levels in Blaenavon, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Blaenavon

In January, the UV Index in Blaenavon, United Kingdom, stands at a low 1, allowing for about 45 minutes of safe sun exposure without the risk of burning. As winter progresses into February, the Index slightly increases to 2, maintaining a low exposure category. However, a noticeable shift occurs in March, where the UV Index climbs to 4, marking the start of moderate exposure that shortens safe burn time to 30 minutes. By April and May, as spring unfolds, the Index rises further to 6 and 7 respectively, indicating high exposure with burn times decreasing to 25 minutes. The trend sharpens in the summer months of June and July, with the UV Index peaking at 8, categorized as very high, reducing safe burn time to just 15 minutes. As summer fades into August and September, the Index eases back to 7 and 6, yet remains high. The fall months signal a drop again, with October at 4, and November and December returning to low levels of 2 and 1, all entailing more extended burn times as winter sets in. For more detailed information, visit the Blaenavon UV Index.

Maximum UV Index Levels in Blaenavon for January

The chart shows the monthly maximum UV Index (UVI) for Blaenavon in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Blaenavon January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Blaenavon

In Blaenavon, United Kingdom, January marks the beginning of the year with 81 hours of sunshine, setting a comparatively low stage against the brighter months ahead. As winter transitions to spring, February brings an increase to 134 hours, hinting at the longer days to come. By March, sunshine continues its upward trend with 192 hours, paving the way for a remarkable April where the tally soars to 303 hours. The momentum doesn’t stop there; May basks in 379 hours, followed closely by June and July, which boast 355 and a peak of 399 hours respectively. As summer begins to fade into autumn, August sees a slight decline to 345 hours, and September drops further to 279 hours. The year starts to dim with October's 224 hours, leading to the winter months of November and December, which close the year with 121 and 100 hours of sunshine. This seasonal journey reveals a clear pattern: as the year progresses, Blaenavon experiences a vibrant escalation of sunlight, culminating in the peak summer months before the cooler, darker days take hold again.

Monthly Sunshine Duration in Blaenavon: January Highlighted

The January sunshine duration represents the total number of hours Blaenavon experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec81h134h192h303h379h355h399h345h279h224h121h100h
Data source: Blaenavon January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Blaenavon During January

In Blaenavon, the likelihood of sunny weather in January hovers around a modest 20%, mirroring the expectations set in February. As winter begins to transition into spring, this chance gradually improves, reaching 25% in March. The trend clearly indicates a significant uptick in sunny days as the months progress, with April boasting a notable 50% probability of sunshine. However, the path to consistently sunny weather remains inconsistent, as May experiences a drop to 30% before leveling off in the summer months. Overall, while January's potential for sunny skies is limited, it serves as a precursor to brighter days ahead.

Percentage of Sunny Days in January in Blaenavon

The chart illustrates the percentage of sunny days in Blaenavon throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Blaenavon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%20%25%51%30%26%38%26%26%19%31%18%
Data source: Blaenavon January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Blaenavon in January

In January, Blaenavon, United Kingdom, experiences about 8 hours of daylight, marking the onset of the year with shorter days and longer nights. As the month transitions into February, the light gradually increases to 9 hours, hinting at the approaching spring. This upward trend continues into March, where days stretch to 11 hours, and further blossoms in April with 13 hours of sunshine. By May, daylight reaches a generous 15 hours, and during the peak of summer in June and July, it plateaus at 16 hours, offering ample time for outdoor activities. However, as summer wanes, daylight begins its inevitable decline; August sees a decrease to 14 hours, followed by a further reduction to 12 hours in September. The descent persists into autumn and winter, dropping to 10 hours in October and 8 hours in November, before dipping to just 7 hours in December. Thus, Blaenavon's daylight duration reveals a clear seasonal rhythm, oscillating between the extremes of short winter days and the bountiful light of summer.

Average Daylight Hours in Blaenavon for January

The chart illustrates the variation in daylight duration in Blaenavon throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 21m9h 57m11h 55m13h 55m15h 40m16h 35m16h 6m14h 31m12h 35m10h 35m8h 48m7h 51m
Data source: Blaenavon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Blaenavon

In January, the chilly winds of Blaenavon average 4.1 m/s (9 mph), setting the tone for the winter season. This brisk air is typical for early in the year, as January is often marked by consistent, albeit mild, gusts compared to the slightly stronger winds of February, which peak at 5.0 m/s (11 mph). This increase hints at the transition toward spring, before the wind speeds begin to wane again in April and June, where they drop to 3.1 m/s (7 mph). Interestingly, the trend shows a gradual decline through the summer months, with July reaching its calmest point at just 2.8 m/s (6 mph). However, as autumn approaches, the winds pick up again, suggesting a rhythmic pattern influenced by seasonal changes, with December's winds bouncing back to a more robust 4.3 m/s (10 mph). This interplay between stronger winter gales and the gentle whispers of summer highlights Blaenavon's dynamic weather throughout the year.

Average January Wind Speed in Blaenavon

The chart displays monthly wind speed patterns in Blaenavon, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.1 m/s5.04.23.13.93.12.83.53.04.23.54.3
Data source: Blaenavon January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Blaenavon Compares to Other Months

The weather in Blaenavon changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Blaenavon and find detailed weather information for every month.

January and February exhibit relatively similar weather patterns, though February tends to be slightly milder. In January, temperatures range from a minimum of -5°C (24°F) to a maximum of 13°C (56°F), with an average of 5°C (41°F). The month sees about 61 mm (2.4 in) of precipitation across 11 days and maintains a high humidity level of 88%.

In contrast, February offers a touch warmer conditions, with average temperatures climbing to 6°C (42°F) and maximums reaching 17°C (62°F). Precipitation also increases, totaling 84 mm (3.3 in) over 14 days, while humidity remains steady at 88%. This fluctuation in temperature and precipitation highlights the gradual transition from the cold depths of winter towards the slightly warmer early spring. For more detailed insights, check out the Blaenavon weather in February.

January and March present a noticeable contrast in weather conditions. In January, temperatures range from a chilly -5°C (24°F) to a mild 13°C (56°F), with an average of 5°C (41°F) and high humidity at 88%. Precipitation is quite frequent, occurring on 11 days for a total of 61 mm (2.4 in). March, on the other hand, witnesses slightly colder minimum temperatures at -7°C (20°F) but sees a more significant warming trend with maximums reaching up to 20°C (68°F) and an average of 7°C (44°F). However, March is wetter, with 88 mm (3.5 in) of precipitation spread over 15 days, while humidity remains relatively stable at 86%. For a detailed look at March weather specifics in this region, visit Blaenavon weather in March.

In January, the weather tends to be quite chilly, with average temperatures hovering around 5°C (41°F) and a minimum temperature dropping as low as -5°C (24°F). This month also experiences significant humidity at 88%, alongside 61 mm (2.4 in) of precipitation over 11 days. In contrast, April brings a much milder climate, featuring an average temperature of 9°C (48°F) and a maximum of 22°C (73°F). The humidity decreases slightly to 84%, and precipitation is somewhat lighter, totaling 58 mm (2.3 in) over 9 days. For more details, check out Blaenavon weather in April.

January and May present contrasting weather conditions. In January, temperatures range from a chilly -5°C (24°F) to a mild 13°C (56°F), with an average of 5°C (41°F). The month sees about 61 mm (2.4 in) of precipitation over 11 days, and humidity remains high at 88%. In contrast, May experiences much warmer temperatures, with minimums around 0°C (32°F), averages of 12°C (53°F), and maximums reaching 26°C (78°F). This month receives slightly more precipitation at 79 mm (3.1 in) over 13 days, but the humidity is lower at 80%. For more details on the weather during this vibrant spring month, check out Blaenavon weather in May.

In January, the weather in Blaenavon is characterized by colder temperatures, with minimums dropping to -5°C (24°F) and average highs reaching only 13°C (56°F). The month experiences a fair amount of precipitation, totaling 61 mm over 11 days, coupled with high humidity levels at 88%. In contrast, June brings warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to an average of 15°C (60°F), and maximums climbing to 29°C (85°F). Although June sees slightly more rainfall at 82 mm over 13 days, the humidity is lower at 80%. Overall, the stark difference in temperature and humidity underscores the shift from the winter chill of January to the warmth and vibrancy of June. For more details, you can check the Blaenavon weather in June.

January and July present stark contrasts in weather. January is characterized by chilly temperatures, with lows reaching as low as -5°C (24°F) and an average of 5°C (41°F), while July experiences much milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable maximum of 29°C (85°F). Precipitation is fairly consistent across both months, with January receiving 61 mm (2.4 in) over 11 days and July experiencing slightly higher precipitation at 73 mm (2.9 in) over the same number of days. Additionally, January's humidity levels are considerably higher at 88%, compared to July’s more moderate 70%. For a closer look at the specifics of July's weather, check out Blaenavon weather in July.

When comparing the weather between January and August, it’s clear that August is significantly warmer and more humid. January experiences lower temperatures, with a minimum of -5°C (24°F) and an average of 5°C (41°F), while August boasts a minimum of 6°C (44°F) and an average of 16°C (61°F), reaching a maximum of 30°C (87°F). Additionally, January has a higher humidity level at 88%, compared to August's 73%. Precipitation levels are also notable, with January receiving 61 mm (2.4 in) over 11 days, whereas August sees slightly more precipitation at 84 mm (3.3 in) across 12 days. For more detailed insights on weather in August, check Blaenavon weather in August.

When comparing the weather in January and September, significant differences emerge. January is characterized by colder temperatures, with a minimum of -5°C (24°F) and an average of 5°C (41°F), while September enjoys a milder range, starting from a minimum of 3°C (37°F) and averaging 14°C (57°F). Additionally, September can reach a maximum temperature of 28°C (83°F), considerably warming up from January’s peak of 13°C (56°F). Precipitation levels are quite similar, with January seeing 61 mm (2.4 in) over 11 days and September slightly higher at 63 mm (2.5 in) over just 10 days. Humidity also drops from January’s 88% to September’s 79%, making September feel more comfortable overall. For more detailed weather insights, check out Blaenavon weather in September.

When comparing the weather in January to that of October, several notable differences emerge. January tends to be colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of just 13°C (56°F), while October experiences much milder conditions, with a minimum of -1°C (30°F) and a maximum reaching 22°C (72°F). Precipitation is also more pronounced in October, with 111 mm (4.4 in) typically falling over 14 days compared to January's 61 mm (2.4 in) across 11 days. Humidity levels remain quite similar, hovering around 88% in January and slightly increasing to 89% in October. For those interested in a more detailed understanding of October's climate, check out Blaenavon weather in October.

In January, temperatures range from a minimum of -5°C (24°F) to a maximum of 13°C (56°F), with an average temperature of 5°C (41°F). The month sees about 61 mm (2.4 in) of precipitation over approximately 11 days, accompanied by a humidity level of 88%. In contrast, November experiences slightly milder temperatures, with a minimum of -3°C (27°F) and a maximum of 16°C (61°F), leading to an average of 8°C (46°F). Precipitation is higher at 84 mm (3.3 in) over 14 days, with humidity rising to 90%. Overall, November is warmer but wetter compared to January. For more specific insights on November weather, you can check Blaenavon weather in November.

In comparing the weather between January and December, January experiences slightly milder temperatures, with an average of 5°C (41°F) compared to December's 6°C (43°F). While both months share the same maximum temperature of 13°C (56°F), January sees a higher minimum temperature of -5°C (24°F) compared to December's colder -8°C (17°F). However, December is notably wetter, with precipitation totaling 108 mm (4.3 in) over 16 days, while January sees less rainfall at 61 mm (2.4 in) over just 11 days. Both months maintain high humidity levels, with January at 88% and December slightly higher at 89%. For a detailed look at December weather in Blaenavon, visit Blaenavon weather in December.

Compare Blaenavon's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Blaenavon

In January, Blaenavon experiences a unique blend of chilly temperatures and notable precipitation, setting it apart from other months. With average temperatures hovering around 5°C (41°F) and occasional dips to -5°C (24°F), it’s a stark contrast to the milder spring and summer months. The city also sees about 11 days of rain, contributing to the high humidity levels of 88%, which adds a distinct dampness to the air. This winter month is a reminder of nature’s stark beauty, as the landscape transforms under the cold and wet conditions. For a deeper dive into Blaenavon’s yearly weather patterns, check out Blaenavon Climate.