January Weather in Pwllheli, United Kingdom

Last updated: March 17, 2025

January in Pwllheli, United Kingdom showcases a cool maritime climate, characterized by a maximum temperature reaching 13°C (56°F) and an average temperature of 7°C (45°F). Residents and visitors can expect chilly conditions, with minimum temperatures dipping to 1°C (35°F). This month is also marked by significant precipitation, totaling 137 mm (5.4 in) across 16 days, contributing to a high humidity level of 89%. Whether it's the brisk sea breeze or the frequent showers, January in Pwllheli offers a picturesque glimpse of winter in coastal Wales.

January Temperature in Pwllheli

In January, Pwllheli, United Kingdom, experiences a chill that sets the tone for winter. With temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (56°F), the month features a steady average of 7°C (45°F). This marks the coldest period in the area, with temperatures slowly beginning to dip further in February, where lows can reach -1°C (31°F). However, as the months progress into spring, a warming trend becomes evident; by April, the mercury rises to an average of 9°C (48°F) and continues to climb, peaking in the summer months with maximum daily highs reaching 25°C (77°F) in July. Hence, January serves as a stark contrast to the milder weather that follows, indicating a transition toward warmer seasons, with the promise of blooming beauty just around the corner.

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

The chart illustrates January temperature patterns in Pwllheli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454545485257606058545047
Data source: Temperature data for Pwllheli 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 Pwllheli

January in Pwllheli, United Kingdom, ushers in the new year with moderate rainfall, accumulating about 137 mm (5.4 in) over 16 days. This volume sets the stage for a wet winter, but it significantly lags behind the precipitation totals of the following months, particularly February, which sees a spike to 172 mm (6.8 in). As winter progresses, the precipitation tends to increase, peaking in the more turbulent autumn months, with October and November recording 246 mm (9.7 in) and 215 mm (8.5 in), respectively. The trend showcases a gradual escalation of rainfall as the year unfolds, positioning January as a pivotal month that bridges the dryer spells of late autumn and the wetter conditions that dominate the spring and summer. Overall, January's precipitation serves as a precursor for the heavy rains that characterize Pwllheli’s maritime climate.

January Precipitation Trends in Pwllheli

The chart displays monthly precipitation patterns in Pwllheli, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1371721605983109108166162246215238
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Pwllheli

In Pwllheli, United Kingdom, January ushers in the year with a notable humidity level of 89%, setting the tone for a relatively damp winter. This figure slightly decreases to 88% in February and continues a gradual decline until it reaches 84% by April. As spring takes hold, humidity further drops to a minimum of 79% in May and July, offering a brief respite from the earlier moisture. However, the trend shifts again with a rise in humidity through the late summer, stabilizing around 79% to 85% before the autumn months bring a spike back up to 90% in October and 91% in November. December, mirroring January, rounds out the year with highs at 89%, illustrating a consistent pattern of increased humidity during the colder months and a slight reduction in the warmer season.

January Average Humidity in Pwllheli

This chart illustrates the average monthly humidity levels in Pwllheli, 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%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Pwllheli

In Pwllheli, United Kingdom, January marks the beginning of the year with a low UV Index of 1, allowing for a generous burn time of 45 minutes before sun exposure becomes risky. As winter transitions into spring, the UV Index gradually increases, peaking at 4 in March and 5 in April, signaling a shift towards moderate sun exposure levels. By May, the index climbs to 7—indicating a high risk—before reaching its zenith with very high levels of 8 during the summer months of June and July. Notably, the trend then retreats, with the UV Index tapering to 5 in September and gradually descending back to low levels by December. This seasonal fluctuation underscores the importance of adjusting sun protection strategies throughout the year. For detailed analysis, check the current and upcoming UV levels at Pwllheli UV Index.

Maximum UV Index Levels in Pwllheli for January

The chart shows the monthly maximum UV Index (UVI) for Pwllheli 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Pwllheli 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 Pwllheli

In January, Pwllheli experiences a modest 93 hours of sunshine, setting the stage for a gradual increase in daylight as the months progress. By February, the sun shines for 162 hours, igniting a sense of hope as spring approaches. March heralds a significant leap, boasting 228 hours, while April's 335 hours heralds the vibrant blooms of spring in full swing. The sunshine continues to peak in May with 415 hours, captivating residents and visitors alike. As summer unfolds, June and July maintain robust totals of 404 and 421 hours, respectively, making these months the true highlights of sunshine. While August sees a slight decline to 383 hours, the warmth lingers into September with 315 hours. As autumn takes hold, the hours dwindle, with October offering 238 hours and November and December falling to 126 and 109 hours. This cyclical pattern not only paints a picture of seasonal change but also reflects the ever-optimistic outlook of Wales, where brighter days are always just around the corner.

Monthly Sunshine Duration in Pwllheli: January Highlighted

The January sunshine duration represents the total number of hours Pwllheli 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h162h228h335h415h404h421h383h315h238h126h109h
Data source: Pwllheli January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pwllheli During January

In Pwllheli, United Kingdom, January brings a modest 26% chance of sunny weather, marking it as a time when cloud cover often reigns dominant. The likelihood of sunshine slightly increases in February and March, both with a 27% chance, hinting at the subtle shift towards brighter days as winter progresses. As spring approaches in April, however, the prospect of clear skies dramatically improves, boasting a 48% chance of sun. This upward trend is indicative of the seasonal transition, with May also maintaining a fair 35% chance. As the year unfolds, the variability continues, with summer months like July presenting a higher 39% chance of sunshine, while the chances dwindle again in the autumn months. Overall, while January may not be the sunniest time of year in Pwllheli, it sets the stage for the brighter days ahead.

Percentage of Sunny Days in January in Pwllheli

The chart illustrates the percentage of sunny days in Pwllheli 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 Pwllheli experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%27%27%48%35%28%39%28%24%17%20%24%
Data source: Pwllheli January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pwllheli in January

In Pwllheli, United Kingdom, January ushers in about 8 hours of daylight, a stark contrast to the longer days that follow as winter transitions to spring. By February, the sunlight increases to 9 hours, hinting at the shifting seasons. The momentum picks up considerably in March, when daylight expands to 11 hours, paving the way for the lush growth of spring. This upward trend continues into April and May, where daylight stretches to 14 and 15 hours, respectively, setting the stage for the vibrant summer months. June and July boast the year’s longest days, gracing Pwllheli with a splendid 16 hours of daylight. As summer wanes, daylight gradually recedes, beginning in August and tapering off to 12 hours by September. The descent continues through autumn, leading to just 8 hours of daylight in November and a mere 7 hours by December, reminding all of the cyclical nature of the seasons.

Average Daylight Hours in Pwllheli for January

The chart illustrates the variation in daylight duration in Pwllheli throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 12m9h 52m11h 54m14h15h 50m16h 48m16h 16m14h 37m12h 36m10h 32m8h 39m7h 39m
Data source: Pwllheli daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Pwllheli

January in Pwllheli, United Kingdom, greets visitors with an average wind speed of 6.9 m/s (15 mph), setting a brisk tone for the winter month. As the cold season unfolds, wind speeds begin to rise, peaking in February at 8.3 m/s (19 mph), before gradually declining through spring. By April, the winds soften significantly to 4.7 m/s (10 mph), ushering in a calmer atmosphere as the cold recedes. This trend continues into the height of summer, where the winds reach their lowest point in July at 4.0 m/s (9 mph). However, the return of autumn brings a resurgence, with October's winds averaging 8.2 m/s (18 mph), echoing winter's briskness. Overall, January offers a preview of the fluctuating winds throughout the year, striking a harmonious balance between the biting gusts of winter and the gentle breezes of summer.

Average January Wind Speed in Pwllheli

The chart displays monthly wind speed patterns in Pwllheli, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.9 m/s8.37.04.75.95.04.05.54.68.27.27.6
Data source: Pwllheli January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Pwllheli Compares to Other Months

The weather in Pwllheli 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 Pwllheli and find detailed weather information for every month.

January and February present similar temperature ranges, with both months having an average high of 13°C (56°F). However, February experiences slightly cooler nights, with minimum temperatures dropping to -1°C (31°F) compared to January's minimum of 1°C (35°F). In terms of precipitation, February tends to be wetter, accumulating 172 mm (6.8 in) across 19 days, while January sees 137 mm (5.4 in) over 16 days. The humidity remains fairly consistent, with January at 89% and February at 88%. For those looking to understand February's weather patterns in more detail, you can check Pwllheli weather in February.

In January, temperatures in Pwllheli range from a minimum of 1°C (35°F) to a maximum of 13°C (56°F), with an average of 7°C (45°F). The month is characterized by relatively high humidity at 89% and substantial precipitation totaling 137 mm (5.4 inches) over 16 days. In contrast, March sees a slight dip in minimum temperatures, dropping to -3°C (26°F), while the maximum only slightly increases to 14°C (58°F), maintaining the same average of 7°C (45°F). However, March experiences more rainfall than January, with a total of 160 mm (6.3 inches) over 19 days and moisture levels staying just below January at 86% humidity. For a more detailed look at the weather conditions in March, you can visit Pwllheli weather in March.

In January, the weather is quite chilly, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (56°F) and an average of 7°C (45°F). The month is also characterized by high humidity at 89%, making it feel colder, alongside 137 mm (5.4 in) of precipitation spread over 16 days. In contrast, April brings a slight warming trend, with temperatures starting at a minimum of 3°C (38°F) and reaching a maximum of 16°C (62°F), and an average of 9°C (48°F). Rainfall is significantly reduced, totaling 59 mm (2.3 in) over just 10 days, and the humidity is slightly lower at 84%. To further explore the weather specifics, you can visit Pwllheli weather in April.

In January, the weather is quite chilly, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (56°F). The month sees considerable precipitation, with 137 mm (5.4 in) of rain over 16 days, contributing to a high humidity level of 89%.

In contrast, May offers a noticeable warming trend, as temperatures rise to a minimum of 4°C (40°F) and can reach up to 19°C (66°F), with an average of 11°C (52°F). Rainfall is significantly lower at 83 mm (3.3 in) over 12 days, and humidity decreases to a more comfortable 79%. For a closer look at May conditions, you can visit Pwllheli weather in May.

In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (56°F), accompanied by significant precipitation of 137 mm (5.4 in) over 16 days and a high humidity level of 89%. In contrast, June offers a much warmer climate, featuring temperatures that vary from a minimum of 9°C (49°F) to a comfortable maximum of 24°C (76°F). Additionally, June sees less rainfall at 109 mm (4.3 in) over just 15 days, while humidity decreases to 81%. For a more detailed look at the weather in June, check out Pwllheli weather in June.

In January, the weather is characterized by chilly temperatures, with a minimum of 1°C (35°F) and an average of 7°C (45°F), reaching a maximum of 13°C (56°F). The month is quite wet, receiving 137 mm (5.4 in) of precipitation over 16 days, and humidity levels remain high at 89%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F) and an average of 16°C (60°F). The rainfall decreases to 108 mm (4.3 in) over 13 days, and humidity drops to 78%. For more detailed insights into July weather, visit Pwllheli weather in July.

January weather is characterized by much cooler temperatures, with averages around 7°C (45°F) and highs only reaching 13°C (56°F). The month sees significant precipitation, with about 137 mm (5.4 in) over 16 days and high humidity levels at 89%. In contrast, August experiences milder conditions, with average temperatures of 16°C (61°F) and peaks of 21°C (71°F). Although it is slightly wetter, with 166 mm (6.5 in) of rain over 22 days, the humidity is lower at 79%. For more details, you can check Pwllheli weather in August.

In January, the weather is considerably colder, with average temperatures ranging from a chilly 1°C (35°F) to a maximum of 13°C (56°F), accompanied by high humidity at 89%. The month sees about 137 mm (5.4 in) of precipitation over 16 days. In contrast, September brings milder temperatures, with averages between 9°C (49°F) and 24°C (76°F), and slightly less humidity at 85%. This month experiences a bit more precipitation, approximately 162 mm (6.4 in), over 18 days. For a detailed look at the weather in September, you can refer to Pwllheli weather in September.

January and October present quite different weather patterns. In January, temperatures are cooler, with a minimum of 1°C and an average of 7°C, peaking at 13°C. The month experiences significant precipitation, totaling 137 mm over 16 rainy days and maintaining high humidity at 89%. In contrast, October brings slightly milder conditions, with minimum temperatures of 4°C, an average of 12°C, and maximums reaching 19°C. However, it has even higher rainfall, totaling 246 mm over 23 days, along with humidity levels rising to 90%. For more detailed insights into October weather specifics, you can check this link: Pwllheli weather in October.

In January, the weather tends to be cooler with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (56°F), while November sees slightly milder temperatures, with a minimum of 4°C (39°F) and a maximum of 15°C (59°F). January experiences 137 mm (5.4 in) of precipitation across 16 days, whereas November is wetter, recording 215 mm (8.5 in) over 22 days. Additionally, both months exhibit high humidity levels, with January at 89% and November at 91%. For a closer look at November weather, you can visit Pwllheli weather in November.

In January, temperatures are slightly cooler compared to December, with a minimum of 1°C (35°F) and a maximum of 13°C (56°F), while December sees a minimum of 2°C (36°F) and a maximum of 12°C (54°F). Precipitation levels also drop in January, totaling 137 mm (5.4 in) over 16 days, compared to December's significantly higher 238 mm (9.4 in) across 25 days. Despite these differences, humidity remains constant at 89% for both months, contributing to the overall dampness typical of winter in the region. For more detailed insights on the weather in December, you can visit Pwllheli weather in December.

Compare Pwllheli's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Pwllheli

January in Pwllheli presents a distinct shift in weather compared to the milder months ahead, characterized by chilly temperatures that often dip to their lowest points of the year. With an average of 7°C and significant precipitation, the month typically sees around 16 days of rainfall, resulting in a notably humid atmosphere at 89%. This blend of cool, damp conditions can feel starkly different from the more temperate and drier days of late spring and summer. For those seeking to understand how the climate shapes the experience in this coastal town, the nuances of January weather are essential. For a deeper dive into the patterns that define this area throughout the year, visit Pwllheli Climate.