nomadseason

January Weather in Penryn, United Kingdom

Last updated: August 27, 2025

In Penryn, United Kingdom, the average temperature in January hovers around 7°C (45°F). Be prepared for a temperature range that dips to a chilly -2°C (29°F) and peaks at a comfortable 14°C (58°F). Expect about 59 mm (2.3 in) of rainfall over 11 days, contributing to a notably high average humidity of 81%.

January Temperature in Penryn

In January in Penryn, the average temperature is 7°C (45°F), with a maximum reaching 14°C (58°F) and a minimum dipping as low as -2°C (29°F). It's advisable to pack layered clothing to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Penryn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penryn, January typically has an average temperature of 7°C (45°F), with highs reaching up to 14°C (58°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec454647505460636259545048
Data source: Temperature data for Penryn generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Penryn

In Penryn in January, the precipitation amount is 59 mm (2.3 in) over the course of 11 days.

January Precipitation Trends in Penryn

The chart displays monthly precipitation patterns in Penryn, 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. In Penryn, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec59767949678368596010283102
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Penryn

In Penryn in January, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

January Average Humidity in Penryn

This chart illustrates the average monthly humidity levels in Penryn, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Penryn is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%83%84%85%86%87%86%85%85%82%80%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Penryn

In Penryn in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Penryn, you can visit Hourly UV Index in Penryn.

Maximum UV Index Levels in Penryn for January

The chart shows the monthly maximum UV Index (UVI) for Penryn 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. In January, the maximum UV index in Penryn typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Penryn 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.

How January Weather in Penryn Compares to Other Months

Weather in Penryn varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Penryn, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Penryn, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)59 mm (2.3 inches)81%low
February Weather8°C (46°F)75 mm (3.0 inches)84%low
March Weather8°C (47°F)79 mm (3.1 inches)83%moderate
April Weather10°C (50°F)49 mm (1.9 inches)84%high
May Weather12°C (55°F)67 mm (2.6 inches)85%high
June Weather15°C (60°F)83 mm (3.3 inches)86%very high
July Weather17°C (63°F)68 mm (2.7 inches)87%very high
August Weather17°C (62°F)59 mm (2.3 inches)86%high
September Weather15°C (59°F)60 mm (2.3 inches)85%high
October Weather12°C (55°F)102 mm (4.0 inches)85%moderate
November Weather10°C (50°F)83 mm (3.3 inches)82%low
December Weather9°C (48°F)102 mm (4.0 inches)80%low

Compare Penryn's Climate with Cities Worldwide