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January Weather in St. Day, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in St. Day, United Kingdom hovers around 8°C (46°F). Expect a minimum of 0°C (32°F) and a comfortable maximum of 14°C (58°F). During this month, you'll encounter 70 mm (2.8 in) of precipitation over approximately 12 days, contributing to an average humidity level of 81%. Prepare for a month of mild weather with a touch of moisture!

January Temperature in St. Day

In January in St. Day, the average temperature is 8°C (46°F). Maximums can reach 14°C (58°F), while minimums can dip as low as 0°C (32°F). Be sure to pack warm clothing when traveling during this time.

January Weather in St. Day: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in St. Day, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Day, January typically has an average temperature of 8°C (46°F), with highs reaching up to 14°C (58°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464747505459636260555049
Data source: Temperature data for St. Day 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 St. Day

In St. Day in January, the precipitation amount is 70 mm (2.8 in) over the course of 12 days.

January Precipitation Trends in St. Day

The chart displays monthly precipitation patterns in St. Day, 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 St. Day, January typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec708584506582676267118100123
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in St. Day

In St. Day in January humidity is 81%. With an average temperature of 8°C (46°F), this humidity feels like walking through a damp blanket, making traveling uncomfortable and leading to a persistent chill that seeps into your bones.

January Average Humidity in St. Day

This chart illustrates the average monthly humidity levels in St. Day, 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 St. Day 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 St. Day

In St. Day 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 St. Day, you can visit Hourly UV Index in St. Day.

Maximum UV Index Levels in St. Day for January

The chart shows the monthly maximum UV Index (UVI) for St. Day 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 St. Day typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: St. Day 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 St. Day Compares to Other Months

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

This table compares monthly weather conditions in St. Day, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)70 mm (2.8 inches)81%low
February Weather8°C (47°F)85 mm (3.4 inches)84%low
March Weather9°C (48°F)84 mm (3.3 inches)83%moderate
April Weather10°C (50°F)50 mm (2.0 inches)84%high
May Weather12°C (54°F)65 mm (2.5 inches)85%high
June Weather15°C (59°F)82 mm (3.2 inches)86%very high
July Weather17°C (63°F)67 mm (2.6 inches)87%very high
August Weather17°C (62°F)62 mm (2.4 inches)86%high
September Weather15°C (60°F)67 mm (2.6 inches)85%high
October Weather13°C (55°F)118 mm (4.6 inches)85%moderate
November Weather10°C (51°F)100 mm (3.9 inches)82%low
December Weather9°C (49°F)123 mm (4.8 inches)80%low

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