January Weather in Porthleven, United Kingdom

Last updated: March 17, 2025

January in Porthleven, United Kingdom, offers a blend of cool temperatures and significant rainfall, creating a uniquely refreshing winter experience. With a maximum temperature peaking at 15°C (58°F) and an average of 8°C (47°F), the month can feel brisk, especially when dipping as low as 2°C (36°F) at night. Visitors can expect about 73 mm (2.9 in) of rain over 12 days, contributing to the region's lush greenery. The humidity levels hover around 81%, giving the air a distinct chill that pairs perfectly with Porthleven's picturesque seaside charm. Enjoy the coastal beauty wrapped in a cozy atmosphere this January!

January Temperature in Porthleven

In January, temperatures in Porthleven, United Kingdom, experience a refreshing chill, with minimums hovering around 2°C (36°F) and averages reaching 8°C (47°F), while peaking at a comfortable 15°C (58°F). As the month progresses toward February, the winter bite intensifies slightly, dipping down to -1°C (31°F) at night, though the average remains close at 9°C (48°F). Interestingly, March sees a further decrease in nighttime temperatures to -2°C (28°F), yet the daily highs begin to climb again, hinting at the onset of spring with a maximum of 14°C (57°F). This trend of fluctuating temperatures continues into the following months, with April ushering in warmer days, as the averages increase to 10°C (50°F) and maximums reach 18°C (64°F), showcasing the gradual transition from the briskness of winter to the refreshing warmth of spring.

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

The chart illustrates January temperature patterns in Porthleven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec474848505459636260565250
Data source: Temperature data for Porthleven 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 Porthleven

In January, Porthleven experiences an average precipitation of 73 mm (2.9 in), spread over approximately 12 days of rain. This marks the start of the wetter months, with rainfall gradually increasing in February to 90 mm (3.5 in), showcasing a trend toward more frequent precipitation. Although January is relatively mild, it sets the stage for the peak of the wet season, which typically culminates in October with a substantial 120 mm (4.7 in). As winter progresses, there's a steady rise in precipitation days, hinting at a shift to more persistent showers leading into spring. This early seasonal pattern not only shapes the landscape but also invites residents and visitors to embrace the unique charm of Porthleven’s coastal weather.

January Precipitation Trends in Porthleven

The chart displays monthly precipitation patterns in Porthleven, 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.
JanFebMarAprMayJunJulAugSepOctNovDec739085466474705764120102123
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Porthleven

In January, Porthleven, United Kingdom, experiences a humidity level of 81%, setting the stage for a generally damp winter. As the month transitions into February, humidity ticks up slightly to 83%, marking the beginning of a trend where levels hover around the low to mid-80s for the next several months. From March through April, the humidity remains consistent, and by May, it peaks at 85%, which is maintained through the summer months of June, July, and August. This persistent humidity level suggests a coastal climate influenced by the surrounding waters. As autumn approaches, humidity begins to taper off, settling back to 84% in September and 82% in November, before returning to January's starting point of 81% in December. This ebb and flow reflects the seasonal variations of Porthleven's maritime weather, where moisture remains a constant companion throughout the year.

January Average Humidity in Porthleven

This chart illustrates the average monthly humidity levels in Porthleven, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%82%83%85%85%85%85%84%84%82%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Porthleven

In January, Porthleven, United Kingdom, experiences a UV Index of 2, indicating a low exposure risk with a burn time of approximately 45 minutes. As the months progress into February and March, the UV Index rises slightly to 3 and then to 4, moving into a moderate exposure category, where the burn time decreases to 30 minutes. The trend continues in April and May, with the Index climbing to 6 and 7 respectively, marking a shift to high exposure and a shorter burn time of 25 minutes. By June and July, the UV Index hits a peak of 9, signaling very high exposure levels and requiring vigilance, as burn time reduces significantly to just 15 minutes. This pattern of high UV levels persists into August, before tapering off in September. As autumn approaches, the Index falls again to 4 in October, before dropping back to lower levels with 2 in November, and peaking in December at a minimal 1. This annual cycle highlights the importance of monitoring local UV levels, especially during the sunnier months for safety. For continuous updates, visit Porthleven UV Index.

Maximum UV Index Levels in Porthleven for January

The chart shows the monthly maximum UV Index (UVI) for Porthleven 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.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Porthleven 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 Porthleven

In Porthleven, United Kingdom, January often heralds the year with a modest 94 hours of sunshine, setting a stark contrast to the luminous months ahead. As February arrives, the skies begin to brighten, offering 156 hours of light, a signal that spring is on the horizon. March sees a significant leap to 235 hours, nudging residents closer to the vibrant days of summer. By April, the days grow longer, accumulating 354 hours of sunlight, while May dazzles with an impressive 407 hours, paving the way for sun-kissed adventures. The peak shines through in July, where 427 hours illuminate this coastal town, fostering an atmosphere of warmth and joy. Though the latter months of the year bring a gentle decline, with hours tapering to 330 in September and further to 118 by December, each season reveals a charming rhythm of sunlight that highlights Porthleven's unique coastal beauty.

Monthly Sunshine Duration in Porthleven: January Highlighted

The January sunshine duration represents the total number of hours Porthleven 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h156h235h354h407h403h427h387h330h261h156h118h
Data source: Porthleven January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porthleven During January

In Porthleven, January brings a 27% chance of sunny weather, making it one of the cooler months for clear skies. As winter gives way to spring, the likelihood of sunshine tends to increase, with February slightly lower at 24%, but the arrival of March boosts the chances to 34%. Transitioning into April, locals can anticipate a significant leap, as the chance of sunny days jumps to 51%. This upward trend highlights the gradual shift towards brighter days, suggesting that those seeking sunshine should plan for spring rather than linger in the depths of winter. The fluctuation in sunny days reflects a broader seasonal change, distinctly marking the transition from the overcast winter months to the more vibrant and sun-kissed spring ahead.

Percentage of Sunny Days in January in Porthleven

The chart illustrates the percentage of sunny days in Porthleven 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 Porthleven experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%24%34%52%38%31%40%33%33%30%24%20%
Data source: Porthleven January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porthleven in January

In Porthleven, United Kingdom, the daylight duration in January averages around 8 hours, setting the stage for the gradual lengthening of days as winter gives way to spring. By February, the light expands to 10 hours, hinting at the approaching vitality of the upcoming seasons. This trend continues into March with 11 hours of daylight, and further into April, where daylight stretches to 13 hours. The transition reaches its pinnacle in June, basking in a generous 16 hours of daylight, perfect for outdoor activities and exploration. As summer wanes into July and August, the daylight gently recedes to 15 and 14 hours, respectively, before a more pronounced decrease begins, plunging back to 12 hours in September. The descent continues into October and November, tapering to 10 and 9 hours before returning to the winter norm of 8 hours in December. This rhythmic ebb and flow of daylight underscores the seasonal transformation experienced in this charming coastal town.

Average Daylight Hours in Porthleven for January

The chart illustrates the variation in daylight duration in Porthleven throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 35m10h 4m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h8h 7m
Data source: Porthleven daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Porthleven

In Porthleven, January greets residents with an invigorating average wind speed of 7.0 m/s (16 mph), setting the tone for a blustery start to the year. This windswept enthusiasm ebbs and flows through the winter months, as February surges to a gusty 8.4 m/s (19 mph) before mellowing slightly in March. The spring ushers in calmer conditions, with a dip to 5.6 m/s (12 mph) in April, which coincides with the budding of new life and lengthening days. As the year progresses towards summer, the winds tend to ease, falling to a gentle 4.6 m/s (10 mph) in June, perfect for leisurely seaside strolls. Interestingly, the winds pick up again as autumn approaches, peaking once more at 8.4 m/s (19 mph) in December, creating a seasonal crescendo that highlights Porthleven's dynamic climate. This rhythmic dance of wind speeds not only shapes the coastal landscape but also offers a lively experience throughout the year.

Average January Wind Speed in Porthleven

The chart displays monthly wind speed patterns in Porthleven, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.0 m/s8.46.65.66.94.65.35.35.16.55.88.4
Data source: Porthleven January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Porthleven Compares to Other Months

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

In comparing the weather of January and February, notable differences emerge. January experiences slightly milder temperatures, with an average of 8°C (47°F), while February sees a minimal drop, averaging 9°C (48°F). However, February has a lower minimum temperature, starting at -1°C (31°F) compared to January's 2°C (36°F). Precipitation also increases in February, totaling 90 mm (3.5 in) over 15 days, contrasted with January’s 73 mm (2.9 in) over 12 days, indicating wetter conditions. Humidity remains high in both months, with February at 83% and January at 81%. For more details on February weather, you can check Porthleven weather in February.

In comparison to January, March typically exhibits slightly cooler temperatures, with January's minimum at 2°C (36°F) and March's dropping to -2°C (28°F). The average temperature in January is 8°C (47°F), while March sees a marginal increase to 9°C (48°F). Although January has a maximum temperature of 15°C (58°F), March's maximum is just a touch lower at 14°C (57°F). Precipitation in March is higher, with 85 mm (3.4 in) over 16 days compared to January's 73 mm (2.9 in) over 12 days, and humidity levels are fairly similar, with January at 81% and March at 82%. For more detailed insights, you can check Porthleven weather in March.

In comparing the weather between January and April, we notice a gradual warming trend. January experiences minimum temperatures around 2°C (36°F) with an average of 8°C (47°F) and a maximum reaching 15°C (58°F). In contrast, April sees slightly milder conditions, with minimum temperatures around 3°C (39°F) and an average of 10°C (50°F), peaking at 18°C (64°F). While January has more precipitation, totaling 73 mm (2.9 in) over 12 days, April is drier with just 45 mm (1.8 in) across 8 days, although humidity remains relatively high in both months at 81% for January and 83% for April. For a detailed look at April weather specifically, check out Porthleven weather in April.

When comparing the weather in January and May, distinct differences emerge. January experiences cooler temperatures, with a minimum of around 2°C (36°F), an average of 8°C (47°F), and a maximum of 15°C (58°F). It also sees considerable precipitation, with about 73 mm (2.9 in) spread over 12 days and a humidity level of 81%. In contrast, May enjoys milder conditions, featuring a higher minimum temperature of 6°C (42°F), an average of 12°C (54°F), and a peak of 20°C (68°F). May brings slightly less rainfall, with 64 mm (2.5 in) over 11 days, and a marginally higher humidity of 85%. You can find more details about the delightful weather in May at Porthleven weather in May.

In January, the weather tends to be quite chilly, with average temperatures ranging from a low of 2°C (36°F) to a high of 15°C (58°F), accompanied by 73 mm (2.9 in) of precipitation over about 12 days. The humidity remains high at 81%, creating a damp atmosphere typical of winter months. In contrast, June brings more temperate conditions, featuring a minimum temperature of 10°C (50°F) and a maximum of 23°C (75°F), with an average of 15°C (59°F). Despite similar precipitation levels of 74 mm (2.9 in) over just 11 days, the humidity increases slightly to 85%, adding to the feeling of warmth during the early summer season. For more specific details about June weather, you can check out Porthleven weather in June.

In January, temperatures in Porthleven range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 15°C (58°F), with an average temperature of 8°C (47°F). The month experiences about 73 mm (2.9 in) of precipitation over 12 days, accompanied by high humidity at 81%. In contrast, July sees a significant rise in temperatures, with a minimum of 12°C (53°F), an average of 17°C (63°F), and a high of 24°C (76°F). Precipitation slightly decreases to 70 mm (2.8 in) over 10 days, while humidity levels rise to 85%. This comparison highlights the stark difference between the cooler, wetter January and the warmer, yet still damp, July. For more details on July weather, visit Porthleven weather in July.

In January, the weather in Porthleven presents cooler temperatures, with a minimum of 2°C (36°F) and an average of 8°C (47°F), peaking at 15°C (58°F). The month sees about 73 mm (2.9 in) of precipitation over 12 days, coupled with high humidity of 81%. In contrast, August experiences milder conditions, with temperatures ranging from a minimum of 12°C (54°F) to an average of 17°C (62°F), and a maximum of 22°C (72°F). Precipitation decreases to 57 mm (2.3 in) across 11 days, while humidity rises slightly to 85%. For more detailed weather insights, check out Porthleven weather in August.

In January, the weather is notably cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 15°C (58°F). The month experiences significant precipitation, totaling 73 mm (2.9 in) over about 12 days, accompanied by high humidity at 81%. In contrast, September brings milder conditions, featuring a minimum temperature of 10°C (50°F) and a maximum of 22°C (72°F), with an average of 16°C (60°F). Precipitation levels decrease slightly to 64 mm (2.5 in), although it still rains around 12 days, and humidity remains high at 84%. For those interested in exploring the typical weather patterns, Porthleven weather in September provides detailed insights.

When comparing the weather in January and October, January tends to be cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 15°C (58°F). In contrast, October enjoys slightly milder conditions, with temperatures ranging from 4°C (40°F) to 19°C (67°F). Additionally, October is typically wetter, receiving about 120 mm (4.7 in) of precipitation over 14 days, compared to January's 73 mm (2.9 in) over 12 days. Humidity levels are also slightly higher in October, averaging 84% compared to January's 81%. For more detailed information, you can check Porthleven weather in October.

In comparing the weather between January and November, January tends to be cooler, with an average temperature of 8°C (47°F) compared to November’s milder average of 11°C (52°F). While both months are relatively wet, November sees more precipitation at 102 mm (4.0 in) over 16 days, compared to January's 73 mm (2.9 in) over 12 days. Humidity levels remain similar, with January at 81% and November slightly higher at 82%. For more detailed insights, check out Porthleven weather in November.

In January, the weather tends to be slightly cooler than December, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 15°C (58°F), compared to December's minimum of 4°C (39°F) and maximum of 14°C (58°F). January also sees less rainfall, with total precipitation of 73 mm (2.9 in) over roughly 12 days, while December experiences more rain at 123 mm (4.8 in) across 19 days. Both months share the same humidity level of 81%, making the air feel similarly damp, but January is generally a drier and cooler month compared to the wetter conditions of December. For more specific weather details, check out Porthleven weather in December.

Compare Porthleven's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Porthleven

As January settles over Porthleven, the weather takes on a distinct character, blending chilly temperatures with notable precipitation. Unlike the milder and drier days of summer, January greets visitors with a brisk average temperature of 8°C (47°F), making it a month of layering and cozy indoors. The frequent rainfall, totaling 73 mm across about 12 days, transforms the landscape and enhances the town's picturesque charm. With humidity levels rising to 81%, this month feels particularly damp, creating a cool atmosphere that contrasts sharply with the warmer, sun-filled months that follow. For those seeking to understand how January's unique climate shapes the experience of this coastal gem, further insights can be found at Porthleven Climate.