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May Weather in Afton, United States

Last updated: June 24, 2025

In May, the average temperature in Afton, United States hovers around 5°C (41°F). Expect a chilly minimum of -11°C (13°F) and a pleasantly warm maximum of 23°C (74°F). During this month, 82 mm (3.2 in) of precipitation falls over approximately 13 days, accompanied by an average humidity of 71%.

May Temperature in Afton

In May in Afton, the average temperature is 5°C (41°F). The maximum can reach 23°C (74°F), while the minimum can plummet to as low as -11°C (13°F). This diverse temperature range makes Afton an intriguing destination for travelers seeking both mild days and chilly nights.

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

The chart illustrates May temperature patterns in Afton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Afton, May typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec202130344155646152362620
Data source: Temperature data for Afton 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 Afton

In Afton in May, the total precipitation amount is 82 mm (3.2 in), occurring over the course of 13 days.

May Precipitation Trends in Afton

The chart displays monthly precipitation patterns in Afton, 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 Afton, May typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7511566878243203351607372
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Afton

In Afton in May, humidity is 71%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm while exploring.

May Average Humidity in Afton

This chart illustrates the average monthly humidity levels in Afton, 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 Afton is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%81%71%64%59%49%52%69%86%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Afton

In Afton in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Afton.

Maximum UV Index Levels in Afton for May

The chart shows the monthly maximum UV Index (UVI) for Afton 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 Afton typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35810121211119653
Data source: Afton 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 Afton Compares to Other Months

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

This table compares monthly weather conditions in Afton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (21°F)75 mm (2.9 inches)95%moderate
February Weather-6°C (21°F)115 mm (4.5 inches)95%moderate
March Weather-1°C (30°F)66 mm (2.6 inches)90%very high
April Weather1°C (34°F)86 mm (3.4 inches)81%very high
May Weather5°C (41°F)82 mm (3.2 inches)71%extreme
June Weather13°C (55°F)43 mm (1.7 inches)64%extreme
July Weather18°C (64°F)20 mm (0.8 inches)59%extreme
August Weather16°C (62°F)33 mm (1.3 inches)49%extreme
September Weather11°C (52°F)51 mm (2.0 inches)52%very high
October Weather2°C (37°F)60 mm (2.4 inches)69%high
November Weather-3°C (26°F)73 mm (2.9 inches)86%moderate
December Weather-7°C (20°F)72 mm (2.8 inches)91%moderate

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