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May Weather in Exeter, United States

Last updated: June 24, 2025

In May, the average temperature in Exeter, United States is a pleasant 14°C (57°F), with temperatures ranging from a cool 3°C (37°F) to a warm 28°C (82°F). Visitors can expect 116 mm (4.6 in) of rainfall spread over about 13 days, contributing to the region's average humidity of 75%. Whether you're exploring or relaxing, the climate offers a unique experience!

May Temperature in Exeter

In May in Exeter, the average temperature is 14°C (57°F). The maximum can reach 28°C (82°F), and the minimum can be as low as 3°C (37°F). Be prepared for a mix of warm and cool weather, making it an ideal time for outdoor adventures and layering up for comfort.

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

The chart illustrates May temperature patterns in Exeter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Exeter, May typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343539485766737367594638
Data source: Temperature data for Exeter 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 Exeter

In Exeter in May, the total precipitation amount reaches 116 mm (4.6 in) over the course of 13 days.

May Precipitation Trends in Exeter

The chart displays monthly precipitation patterns in Exeter, 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 Exeter, May typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec80103107130116971149497144105129
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Exeter

In Exeter in May, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

May Average Humidity in Exeter

This chart illustrates the average monthly humidity levels in Exeter, 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 Exeter is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Exeter

In Exeter in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Exeter.

Maximum UV Index Levels in Exeter for May

The chart shows the monthly maximum UV Index (UVI) for Exeter 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 Exeter typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Exeter 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 Exeter Compares to Other Months

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

This table compares monthly weather conditions in Exeter, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)80 mm (3.1 inches)84%moderate
February Weather2°C (35°F)103 mm (4.0 inches)84%moderate
March Weather4°C (39°F)107 mm (4.2 inches)82%high
April Weather9°C (48°F)130 mm (5.1 inches)79%very high
May Weather14°C (57°F)116 mm (4.6 inches)75%very high
June Weather19°C (67°F)97 mm (3.8 inches)78%very high
July Weather23°C (73°F)114 mm (4.5 inches)76%very high
August Weather23°C (73°F)94 mm (3.7 inches)76%very high
September Weather20°C (67°F)97 mm (3.8 inches)75%very high
October Weather15°C (59°F)144 mm (5.7 inches)75%high
November Weather8°C (47°F)105 mm (4.1 inches)80%moderate
December Weather3°C (38°F)129 mm (5.1 inches)80%low

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