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May Weather in Somerset, United States

Last updated: June 24, 2025

In May, the average temperature in Somerset, United States hovers around 18°C (64°F). However, be prepared for a range, as temperatures can dip to a chilly -1°C (31°F) or soar up to a balmy 32°C (90°F). Expect 136 mm (5.3 in) of precipitation spread over 15 days, contributing to an average humidity of 82%. Whether you're packing for warmth or seeking sun, this climate promises a diverse experience!

May Temperature in Somerset

In May in Somerset, the average temperature is 18°C (64°F). Maximums can reach 32°C (90°F) and minimums can be as low as -1°C (31°F). Travelers should be prepared for a wide range of temperatures, so packing layers is advisable.

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

The chart illustrates May temperature patterns in Somerset, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Somerset, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec323643526471767369584337
Data source: Temperature data for Somerset 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 Somerset

In Somerset in May, the precipitation amount is 136 mm (5.3 in) over a span of 15 days.

May Precipitation Trends in Somerset

The chart displays monthly precipitation patterns in Somerset, 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 Somerset, May typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec881181181361361681281079710599108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Somerset

In Somerset in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in Somerset

This chart illustrates the average monthly humidity levels in Somerset, 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 Somerset is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Somerset

In Somerset in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Somerset.

Maximum UV Index Levels in Somerset for May

The chart shows the monthly maximum UV Index (UVI) for Somerset 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 Somerset typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Somerset 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 Somerset Compares to Other Months

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

This table compares monthly weather conditions in Somerset, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)88%moderate
February Weather2°C (36°F)118 mm (4.7 inches)88%moderate
March Weather6°C (43°F)118 mm (4.7 inches)88%high
April Weather11°C (53°F)136 mm (5.4 inches)86%very high
May Weather18°C (64°F)136 mm (5.3 inches)82%very high
June Weather22°C (72°F)168 mm (6.6 inches)84%very high
July Weather24°C (76°F)128 mm (5.0 inches)82%very high
August Weather23°C (74°F)107 mm (4.2 inches)73%very high
September Weather20°C (69°F)97 mm (3.8 inches)73%very high
October Weather14°C (58°F)105 mm (4.1 inches)81%high
November Weather6°C (43°F)99 mm (3.9 inches)89%moderate
December Weather3°C (37°F)108 mm (4.2 inches)86%moderate

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