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May Weather in Fort Fairfield, United States

Last updated: June 24, 2025

In Fort Fairfield, United States, the average temperature in May hovers around 10°C (51°F), with extremes ranging from a chilly -4°C (24°F) to a warm 32°C (89°F). Expect precipitation of approximately 107 mm (4.2 in) over 14 days, paired with an average humidity of 82%.

May Temperature in Fort Fairfield

In May in Fort Fairfield, the average temperature is 10°C (51°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as -4°C (24°F). Pack accordingly to enjoy the diverse weather conditions during your travels.

May Weather in Fort Fairfield: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fort Fairfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Fairfield, May typically has an average temperature of 10°C (51°F), with highs reaching up to 32°C (89°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec141625385161666556453119
Data source: Temperature data for Fort Fairfield 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 Fort Fairfield

In Fort Fairfield in May, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

May Precipitation Trends in Fort Fairfield

The chart displays monthly precipitation patterns in Fort Fairfield, 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 Fort Fairfield, May typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9377761111079210089111113118104
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fort Fairfield

In Fort Fairfield in May humidity is 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

May Average Humidity in Fort Fairfield

This chart illustrates the average monthly humidity levels in Fort Fairfield, 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 Fort Fairfield is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fort Fairfield

In Fort Fairfield in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Fort Fairfield.

Maximum UV Index Levels in Fort Fairfield for May

The chart shows the monthly maximum UV Index (UVI) for Fort Fairfield 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 Fort Fairfield typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Fort Fairfield 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 Fort Fairfield Compares to Other Months

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

This table compares monthly weather conditions in Fort Fairfield, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)93 mm (3.7 inches)93%low
February Weather-9°C (16°F)77 mm (3.0 inches)92%moderate
March Weather-4°C (25°F)76 mm (3.0 inches)90%moderate
April Weather3°C (38°F)111 mm (4.4 inches)87%high
May Weather10°C (51°F)107 mm (4.2 inches)82%very high
June Weather16°C (61°F)92 mm (3.6 inches)77%very high
July Weather19°C (66°F)100 mm (3.9 inches)81%very high
August Weather18°C (65°F)88 mm (3.5 inches)83%very high
September Weather14°C (57°F)111 mm (4.4 inches)85%high
October Weather7°C (45°F)113 mm (4.5 inches)87%moderate
November Weather0°C (32°F)118 mm (4.6 inches)87%moderate
December Weather-7°C (20°F)104 mm (4.1 inches)90%low

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