May Weather in Humboldt, United States

Last updated: June 24, 2025

In Humboldt, United States, the average temperature in May hovers around 15°C (58°F), providing a mild climate. Expect minimum temperatures to dip to 0°C (32°F) and rise to a maximum of 33°C (92°F). During this time, the region sees about 119 mm (4.7 in) of precipitation spread across 13 days, contributing to an average humidity level of 74%.

May Temperature in Humboldt

In May in Humboldt, the average temperature is 15°C (58°F), with maximums reaching up to 33°C (92°F) and minimums sometimes dropping as low as 0°C (32°F). This varied climate makes it essential for travelers to pack accordingly, so be prepared for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Humboldt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Humboldt, May typically has an average temperature of 15°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Humboldt

In Humboldt in May, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

May Precipitation Trends in Humboldt

The chart displays monthly precipitation patterns in Humboldt, 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 Humboldt, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 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 Humboldt

In Humboldt in May, humidity is 74%. With an average temperature of 15°C (58°F), this humidity feels like a warm, enveloping blanket, making travel feel both refreshing yet slightly sticky, encouraging you to seek the shade or enjoy water-based activities.

May Average Humidity in Humboldt

This chart illustrates the average monthly humidity levels in Humboldt, 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 Humboldt 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 Humboldt

In Humboldt 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 Humboldt.

Maximum UV Index Levels in Humboldt for May

The chart shows the monthly maximum UV Index (UVI) for Humboldt 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 Humboldt typically reaches 9, which falls under the very high exposure category.

Data source: Humboldt 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 Humboldt Compares to Other Months

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

This table compares monthly weather conditions in Humboldt, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	20 mm (0.8 inches)	80%	low
February Weather	-7°C (19°F)	22 mm (0.9 inches)	84%	moderate
March Weather	1°C (34°F)	63 mm (2.5 inches)	75%	moderate
April Weather	6°C (44°F)	78 mm (3.1 inches)	79%	very high
May Weather	15°C (58°F)	119 mm (4.7 inches)	74%	very high
June Weather	22°C (72°F)	79 mm (3.1 inches)	81%	extreme
July Weather	24°C (75°F)	88 mm (3.5 inches)	82%	very high
August Weather	22°C (71°F)	104 mm (4.1 inches)	80%	very high
September Weather	18°C (65°F)	106 mm (4.2 inches)	75%	very high
October Weather	8°C (48°F)	76 mm (3.0 inches)	77%	moderate
November Weather	1°C (34°F)	26 mm (1.0 inches)	85%	moderate
December Weather	-4°C (26°F)	37 mm (1.5 inches)	83%	low