May Weather in Farmington, United States

Last updated: June 24, 2025

In May, the average temperature in Farmington, United States is a comfortable 17°C (64°F). However, be prepared for a range, as temperatures can dip to a chilly 0°C (33°F) or rise to a warm 33°C (92°F). Expect light rainfall with total precipitation around 21 mm (0.8 in) over approximately 3 days, and enjoy a moderate average humidity level of 53%.

May Temperature in Farmington

In May in Farmington, the average temperature is 17°C (64°F). Maximums can reach 33°C (92°F) and minimums can be as low as 0°C (33°F). Overall, it’s advisable to pack layers to comfortably enjoy the varied temperatures while traveling.

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 17°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (33°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 21 mm (0.8 in) over a period of 3 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 21 mm (0.8 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Farmington

In Farmington in May, humidity is 53%. With an average temperature of 17°C (64°F), this humidity feels like a refreshing embrace, ideal for leisurely strolls and outdoor explorations without the discomfort of excessive heat.

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 53%, 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 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 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 12, which falls under the extreme 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	-1°C (30°F)	27 mm (1.1 inches)	85%	moderate
February Weather	2°C (36°F)	29 mm (1.1 inches)	86%	high
March Weather	7°C (45°F)	37 mm (1.5 inches)	76%	very high
April Weather	13°C (55°F)	12 mm (0.5 inches)	69%	extreme
May Weather	17°C (64°F)	21 mm (0.8 inches)	53%	extreme
June Weather	24°C (76°F)	7 mm (0.3 inches)	40%	extreme
July Weather	26°C (80°F)	21 mm (0.8 inches)	36%	extreme
August Weather	25°C (78°F)	7 mm (0.3 inches)	44%	extreme
September Weather	21°C (69°F)	25 mm (1.0 inches)	59%	very high
October Weather	12°C (54°F)	20 mm (0.8 inches)	74%	very high
November Weather	6°C (43°F)	15 mm (0.6 inches)	83%	moderate
December Weather	0°C (32°F)	25 mm (1.0 inches)	85%	moderate