May Weather in Farmington, United States

Last updated: June 24, 2025

In May, the average temperature in Farmington, United States is a pleasant 18°C (64°F), though it can range from a chilly minimum of 2°C (35°F) to a sweltering maximum of 36°C (97°F). Expect moderate rainfall, with 167 mm (6.6 in) of precipitation over approximately 16 days. The average humidity rests at a notable 78%, making it essential to stay hydrated and prepare for varying weather conditions!

May Temperature in Farmington

In May in Farmington, the average temperature is 18°C (64°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures, from warm days to cool nights.

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

The chart illustrates May temperature patterns in Farmington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmington, May typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec252842516475787570554034
Data source: Temperature data for Farmington 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 Farmington

In Farmington in May, the precipitation amount is 167 mm (6.6 in) occurring over a span of 16 days.

May Precipitation Trends in Farmington

The chart displays monthly precipitation patterns in Farmington, 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 Farmington, May typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec5457958816712973771111235043
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Farmington

In Farmington in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

May Average Humidity in Farmington

This chart illustrates the average monthly humidity levels in Farmington, 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 Farmington is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Farmington

In Farmington 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 Farmington.

Maximum UV Index Levels in Farmington for May

The chart shows the monthly maximum UV Index (UVI) for Farmington 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 Farmington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: Farmington 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 Farmington Compares to Other Months

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

This table compares monthly weather conditions in Farmington, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)54 mm (2.1 inches)81%moderate
February Weather-2°C (28°F)57 mm (2.2 inches)81%moderate
March Weather5°C (42°F)95 mm (3.7 inches)81%high
April Weather10°C (51°F)88 mm (3.5 inches)82%very high
May Weather18°C (64°F)167 mm (6.6 inches)78%very high
June Weather24°C (75°F)128 mm (5.1 inches)81%extreme
July Weather26°C (78°F)73 mm (2.9 inches)79%very high
August Weather24°C (75°F)77 mm (3.0 inches)77%very high
September Weather21°C (70°F)111 mm (4.4 inches)78%very high
October Weather13°C (55°F)123 mm (4.9 inches)78%high
November Weather5°C (40°F)50 mm (2.0 inches)87%moderate
December Weather1°C (34°F)43 mm (1.7 inches)84%low

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