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April Weather in Humboldt, United States

Last updated: June 24, 2025

In Humboldt, United States, the average temperature in April hovers around 11°C (53°F), providing a mild climate for exploration. Temperatures can range dramatically, with a minimum of -9°C (15°F) and soaring to a maximum of 32°C (90°F). During this month, expect about 70 mm (2.8 in) of precipitation over approximately 10 days, accompanied by a relative humidity of 74%. Plan your activities accordingly to enjoy the best of this diverse weather!

April Temperature in Humboldt

In April in Humboldt, the average temperature is 11°C (53°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -9°C (15°F). Be prepared for a wide range of temperatures, making it essential to pack versatile clothing for your trip.

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 11°C (53°F), with highs reaching up to 32°C (90°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec282944526577807671554234
Data source: Temperature data for Humboldt generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Humboldt

In Humboldt in April, the precipitation amount is 70 mm (2.8 in) over a period 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 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec33319570164109102111791313331
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Humboldt

In Humboldt in April humidity is 74%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and suggesting that travelers should dress in layers to stay warm and comfortable.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)33 mm (1.3 inches)76%moderate
February Weather-2°C (29°F)31 mm (1.2 inches)80%moderate
March Weather7°C (44°F)95 mm (3.7 inches)73%high
April Weather11°C (53°F)70 mm (2.8 inches)74%very high
May Weather18°C (65°F)164 mm (6.5 inches)78%very high
June Weather25°C (77°F)109 mm (4.3 inches)82%very high
July Weather26°C (80°F)102 mm (4.0 inches)83%very high
August Weather24°C (76°F)111 mm (4.4 inches)80%very high
September Weather22°C (71°F)79 mm (3.1 inches)75%very high
October Weather13°C (55°F)131 mm (5.1 inches)75%high
November Weather6°C (43°F)33 mm (1.3 inches)82%moderate
December Weather1°C (35°F)31 mm (1.2 inches)83%moderate

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