May Weather in Farmington, United States

Last updated: June 24, 2025

In Farmington, United States, the average temperature in May hovers around 15°C (59°F). However, it can swing from a chilly -1°C (31°F) to a scorching 36°C (98°F). Expect 137 mm (5.4 in) of precipitation spread over 12 days with an average humidity of 78%, making this month quite a diverse experience for weather enthusiasts!

May Temperature in Farmington

In May in Farmington, the average temperature is 15°C (59°F). Maximum temperatures can reach 36°C (98°F), while minimum temperatures can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures during your visit to Farmington this May.

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 15°C (59°F), with highs reaching up to 36°C (98°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Farmington generated using information from the Copernicus Climate Change Service.

May Precipitation in Farmington

In Farmington in May, the precipitation amount is 137 mm (5.4 in) that occurs over the course of 12 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 137 mm (5.4 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Farmington

In Farmington in May, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	30 mm (1.2 inches)	87%	low
February Weather	-8°C (17°F)	36 mm (1.4 inches)	90%	moderate
March Weather	1°C (34°F)	60 mm (2.4 inches)	85%	moderate
April Weather	6°C (44°F)	84 mm (3.3 inches)	84%	high
May Weather	15°C (59°F)	137 mm (5.4 inches)	78%	very high
June Weather	22°C (72°F)	97 mm (3.8 inches)	80%	very high
July Weather	24°C (75°F)	106 mm (4.2 inches)	81%	very high
August Weather	22°C (71°F)	134 mm (5.3 inches)	81%	very high
September Weather	18°C (65°F)	120 mm (4.7 inches)	81%	high
October Weather	9°C (49°F)	92 mm (3.6 inches)	84%	moderate
November Weather	1°C (34°F)	36 mm (1.4 inches)	88%	moderate
December Weather	-5°C (24°F)	49 mm (1.9 inches)	84%	low