April Weather in Humboldt, United States

Last updated: June 24, 2025

The average temperature in Humboldt, United States during April is a crisp 8°C (47°F). Expect temperature fluctuations, with a minimum dropping to -13°C (9°F) and a maximum soaring to 29°C (84°F). During this month, anticipate 77 mm (3.0 in) of precipitation spread over approximately 10 days, complemented by a high average humidity of 81%.

April Temperature in Humboldt

In April in Humboldt, the average temperature is 8°C (47°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both warm and cold weather.

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

The chart illustrates April 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, April typically has an average temperature of 8°C (47°F), with highs reaching up to 29°C (84°F) and lows dropping to around -13°C (9°F).

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

April Precipitation in Humboldt

In Humboldt in April, the total precipitation amount is 77 mm (3.0 in) spread over a duration of 10 days.

April Precipitation Trends in Humboldt

The chart displays monthly precipitation patterns in Humboldt, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Humboldt, April typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Humboldt

In Humboldt in April humidity is 81%. With an average temperature of 8°C (47°F), this humidity feels like a palpable heaviness in the air, making outdoor exploration feel damp and chilly, requiring travelers to bundle up and prepare for a brisk experience.

April Average Humidity in Humboldt

This chart illustrates the average monthly humidity levels in Humboldt, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Humboldt is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Humboldt

In Humboldt in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Humboldt.

Maximum UV Index Levels in Humboldt for April

The chart shows the monthly maximum UV Index (UVI) for Humboldt in April, 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 April, the maximum UV index in Humboldt typically reaches 8, which falls under the very high exposure category.

Data source: Humboldt April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	31 mm (1.2 inches)	82%	moderate
February Weather	-7°C (20°F)	46 mm (1.8 inches)	84%	moderate
March Weather	3°C (37°F)	75 mm (3.0 inches)	80%	moderate
April Weather	8°C (47°F)	77 mm (3.0 inches)	81%	very high
May Weather	16°C (61°F)	159 mm (6.3 inches)	74%	very high
June Weather	23°C (74°F)	120 mm (4.7 inches)	80%	extreme
July Weather	24°C (76°F)	86 mm (3.4 inches)	80%	very high
August Weather	22°C (72°F)	114 mm (4.5 inches)	77%	very high
September Weather	19°C (67°F)	119 mm (4.7 inches)	75%	very high
October Weather	10°C (50°F)	112 mm (4.4 inches)	80%	moderate
November Weather	2°C (36°F)	42 mm (1.7 inches)	87%	moderate
December Weather	-2°C (28°F)	39 mm (1.5 inches)	83%	moderate