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May Weather in Harmston, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Harmston, United Kingdom is a mild 12°C (54°F). During this time, temperatures can range from a chilly -1°C (31°F) to a warm 27°C (80°F). Residents can expect 73 mm (2.9 in) of precipitation spread over 12 days, contributing to an average humidity level of 80%. Enjoy the contrasts of this vibrant season!

May Temperature in Harmston

In May in Harmston, the average temperature is 12°C (54°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -1°C (31°F). It's a unique time to visit, offering a blend of mild days and cool nights, perfect for exploring the local attractions.

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

The chart illustrates May 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, May typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around -1°C (31°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.

May Precipitation in Harmston

In Harmston in May, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

May Precipitation Trends in Harmston

The chart displays monthly precipitation patterns in Harmston, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Harmston, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec486161367379838562806172
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Harmston

In Harmston in May, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.

May Average Humidity in Harmston

This chart illustrates the average monthly humidity levels in Harmston, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Harmston is approximately 80%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Harmston

In Harmston in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Harmston.

Maximum UV Index Levels in Harmston for May

The chart shows the monthly maximum UV Index (UVI) for Harmston in May, 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 May, the maximum UV index in Harmston typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Harmston May 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 May 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 May’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 May’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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