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May Weather in Dedham, United Kingdom

Last updated: August 27, 2025

In Dedham, United Kingdom, the average temperature in May hovers around 12°C (54°F). Expect a minimum of 3°C (37°F) and a pleasant maximum of 22°C (73°F). During this time, precipitation averages 61 mm (2.4 in) over 11 days, accompanied by an average humidity of 82%.

May Temperature in Dedham

In May in Dedham, the average temperature is 12°C (54°F). Maximums can reach 22°C (73°F), and minimums can be as low as 3°C (37°F). Be sure to pack layers for your trip, as the weather can fluctuate significantly throughout the day.

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

The chart illustrates May temperature patterns in Dedham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dedham, May typically has an average temperature of 12°C (54°F), with highs reaching up to 22°C (73°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345485461646460544743
Data source: Temperature data for Dedham 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 Dedham

In Dedham in May, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

May Precipitation Trends in Dedham

The chart displays monthly precipitation patterns in Dedham, 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 Dedham, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec576155276168687858905397
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dedham

In Dedham in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Dedham

This chart illustrates the average monthly humidity levels in Dedham, 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 Dedham is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dedham

In Dedham 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 Dedham.

Maximum UV Index Levels in Dedham for May

The chart shows the monthly maximum UV Index (UVI) for Dedham 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 Dedham typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Dedham 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 Dedham Compares to Other Months

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

This table compares monthly weather conditions in Dedham, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)57 mm (2.2 inches)91%low
February Weather6°C (43°F)61 mm (2.4 inches)89%low
March Weather7°C (45°F)55 mm (2.2 inches)86%moderate
April Weather9°C (48°F)27 mm (1.1 inches)85%moderate
May Weather12°C (54°F)61 mm (2.4 inches)82%high
June Weather16°C (61°F)68 mm (2.7 inches)81%very high
July Weather18°C (65°F)68 mm (2.7 inches)76%very high
August Weather18°C (65°F)78 mm (3.1 inches)73%high
September Weather15°C (60°F)58 mm (2.3 inches)80%moderate
October Weather12°C (54°F)90 mm (3.5 inches)89%moderate
November Weather8°C (47°F)53 mm (2.1 inches)92%low
December Weather6°C (44°F)97 mm (3.8 inches)92%low

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