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May Weather in Long Wittenham, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Long Wittenham, United Kingdom hovers around 12°C (54°F). Expect a minimum chill of 0°C (32°F) and a pleasant maximum of 26°C (78°F). During this time, you can also anticipate about 66 mm (2.6 in) of precipitation spread over 11 days, with an average humidity of 79%.

May Temperature in Long Wittenham

In May in Long Wittenham, the average temperature is 12°C (54°F). The maximum can reach 26°C (78°F), while the minimum can drop as low as 0°C (32°F). It's advisable to prepare for variable weather conditions when traveling during this time.

May Weather in Long Wittenham: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Long Wittenham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long Wittenham, May typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (78°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646358524643
Data source: Temperature data for Long Wittenham 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 Long Wittenham

In Long Wittenham in May, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

May Precipitation Trends in Long Wittenham

The chart displays monthly precipitation patterns in Long Wittenham, 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 Long Wittenham, May typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec515160386674647153955783
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Long Wittenham

In Long Wittenham in May, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

May Average Humidity in Long Wittenham

This chart illustrates the average monthly humidity levels in Long Wittenham, 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 Long Wittenham is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Long Wittenham

In Long Wittenham 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 Long Wittenham.

Maximum UV Index Levels in Long Wittenham for May

The chart shows the monthly maximum UV Index (UVI) for Long Wittenham 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 Long Wittenham typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Long Wittenham 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 Long Wittenham Compares to Other Months

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

This table compares monthly weather conditions in Long Wittenham, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)51 mm (2.0 inches)91%low
February Weather6°C (43°F)51 mm (2.0 inches)89%low
March Weather7°C (45°F)60 mm (2.4 inches)86%moderate
April Weather9°C (49°F)38 mm (1.5 inches)85%high
May Weather12°C (54°F)66 mm (2.6 inches)79%high
June Weather16°C (61°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)64 mm (2.5 inches)71%very high
August Weather17°C (63°F)71 mm (2.8 inches)76%high
September Weather15°C (59°F)53 mm (2.1 inches)82%high
October Weather11°C (53°F)95 mm (3.7 inches)90%moderate
November Weather8°C (46°F)57 mm (2.2 inches)92%low
December Weather6°C (43°F)83 mm (3.3 inches)92%low

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