May Weather in Colusa, United States

Last updated: June 24, 2025

In Colusa, United States, the average temperature in May hovers around 23°C (74°F). However, it can swing from a chilly 6°C (43°F) to a scorching 42°C (109°F). Expect a bit of rain, with 23 mm (0.9 in) of precipitation spread over about 2 days. The air is quite humid too, with an average humidity level of 74%.

May Temperature in Colusa

In May in Colusa, the average temperature is 23°C (74°F). Maximums can reach 42°C (109°F), while minimums can drop as low as 6°C (43°F). Be prepared for a wide range of temperatures when traveling to Colusa during this time.

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

The chart illustrates May temperature patterns in Colusa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colusa, May typically has an average temperature of 23°C (74°F), with highs reaching up to 42°C (109°F) and lows dropping to around 6°C (43°F).

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

May Precipitation in Colusa

In Colusa in May, the precipitation amount is 23 mm (0.9 in) over a span of 2 days.

May Precipitation Trends in Colusa

The chart displays monthly precipitation patterns in Colusa, 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 Colusa, May typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 2 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 Colusa

In Colusa in May humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

May Average Humidity in Colusa

This chart illustrates the average monthly humidity levels in Colusa, 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 Colusa is approximately 74%, 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 Colusa

In Colusa in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Colusa.

Maximum UV Index Levels in Colusa for May

The chart shows the monthly maximum UV Index (UVI) for Colusa 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 Colusa typically reaches 10, which falls under the very high exposure category.

Data source: Colusa 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 Colusa Compares to Other Months

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

This table compares monthly weather conditions in Colusa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	95 mm (3.8 inches)	84%	moderate
February Weather	13°C (55°F)	91 mm (3.6 inches)	84%	moderate
March Weather	14°C (58°F)	71 mm (2.8 inches)	83%	high
April Weather	19°C (66°F)	27 mm (1.1 inches)	81%	very high
May Weather	23°C (74°F)	23 mm (0.9 inches)	74%	very high
June Weather	28°C (83°F)	3 mm (0.1 inches)	64%	extreme
July Weather	30°C (87°F)	0 mm (0.0 inches)	44%	very high
August Weather	29°C (85°F)	0 mm (0.0 inches)	36%	very high
September Weather	26°C (79°F)	1 mm (0.0 inches)	44%	very high
October Weather	20°C (69°F)	25 mm (1.0 inches)	65%	high
November Weather	14°C (58°F)	38 mm (1.5 inches)	84%	moderate
December Weather	10°C (51°F)	73 mm (2.9 inches)	83%	moderate