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January Weather in Harmston, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Harmston, United Kingdom hovers around 5°C (40°F). Expect a minimum drop to -4°C (25°F) and a comfortable maximum of 15°C (59°F). During this month, precipitation averages 47 mm (1.9 in) spread over 9 days, with a notable average humidity of 90%. Stay prepared for a chilly and damp climate!

January Temperature in Harmston

In January in Harmston, the average temperature is 5°C (40°F). Maximums can reach 15°C (59°F) and minimums can be as low as -4°C (25°F). Be prepared for a range of temperatures and pack accordingly for your travels.

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

The chart illustrates January temperature patterns in Harmston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harmston, January typically has an average temperature of 5°C (40°F), with highs reaching up to 15°C (59°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485460646358524642
Data source: Temperature data for Harmston 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 Harmston

In Harmston in January, the precipitation amount is 47 mm (1.9 in) spread over a period of 9 days.

January Precipitation Trends in Harmston

The chart displays monthly precipitation patterns in Harmston, 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 Harmston, January typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec486161367379838562806172
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Harmston

In Harmston in January, humidity is 90%. With an average temperature of 5°C (40°F), this humidity feels like you're walking through a dense fog, making every step feel heavier and more challenging for traveling.

January Average Humidity in Harmston

This chart illustrates the average monthly humidity levels in Harmston, 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 Harmston is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Harmston

In Harmston in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Harmston.

Maximum UV Index Levels in Harmston for January

The chart shows the monthly maximum UV Index (UVI) for Harmston 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 Harmston typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Harmston 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 Harmston Compares to Other Months

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

This table compares monthly weather conditions in Harmston, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)47 mm (1.9 inches)90%low
February Weather6°C (42°F)61 mm (2.4 inches)88%low
March Weather7°C (45°F)61 mm (2.4 inches)86%moderate
April Weather9°C (48°F)36 mm (1.4 inches)84%moderate
May Weather12°C (54°F)73 mm (2.9 inches)80%high
June Weather15°C (60°F)79 mm (3.1 inches)81%very high
July Weather18°C (64°F)83 mm (3.3 inches)76%very high
August Weather17°C (63°F)85 mm (3.3 inches)77%high
September Weather14°C (58°F)62 mm (2.4 inches)85%moderate
October Weather11°C (53°F)80 mm (3.1 inches)90%moderate
November Weather8°C (46°F)61 mm (2.4 inches)92%low
December Weather5°C (42°F)72 mm (2.8 inches)90%low

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