April Weather in Humboldt, United States

Last updated: June 24, 2025

In April, the average temperature in Humboldt, United States hovers around 6°C (44°F), with a wide range between a chilly -18°C (0°F) and a warm 29°C (85°F). Expect 78 mm (3.1 in) of precipitation spread over 9 days, contributing to a humidity level of 79% that adds to the overall atmosphere of the season.

April Temperature in Humboldt

In April in Humboldt, the average temperature is 6°C (44°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as -18°C (0°F). It's essential to pack layers and be prepared for a wide range of weather conditions during your travels.

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 6°C (44°F), with highs reaching up to 29°C (85°F) and lows dropping to around -18°C (0°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 precipitation amount is 78 mm (3.1 in) over the course of 9 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 78 mm (3.1 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Humboldt

In Humboldt in April, humidity is 79%. With an average temperature of 6°C (44°F), this humidity feels like a cold, damp chill that seeps into your bones, making travel feel less comfortable and more challenging as the wet air clings to your clothes and skin.

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 79%, 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 (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