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April Weather in Alturas, United States

Last updated: June 24, 2025

In April, the average temperature in Alturas, United States hovers around 7°C (45°F). You can expect a minimum chill of -8°C (18°F) and a warm peak reaching up to 27°C (81°F). With 54 mm (2.1 in) of precipitation spread across 9 days, don't forget your umbrella! The air remains quite humid, with an average humidity level of 83%, making it feel even cooler during those drizzly days.

April Temperature in Alturas

In April in Alturas, the average temperature is 7°C (45°F). Maximums can reach 27°C (81°F) and minimums can be as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates April temperature patterns in Alturas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alturas, April typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec323237455565747262483930
Data source: Temperature data for Alturas 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 Alturas

In Alturas in April, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

April Precipitation Trends in Alturas

The chart displays monthly precipitation patterns in Alturas, 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 Alturas, April typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7475725453183620354769
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Alturas

In Alturas in April, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.

April Average Humidity in Alturas

This chart illustrates the average monthly humidity levels in Alturas, 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 Alturas is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Alturas

In Alturas 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 Alturas.

Maximum UV Index Levels in Alturas for April

The chart shows the monthly maximum UV Index (UVI) for Alturas 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 Alturas typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4579111211119743
Data source: Alturas 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 Alturas Compares to Other Months

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

This table compares monthly weather conditions in Alturas, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)74 mm (2.9 inches)86%moderate
February Weather0°C (33°F)74 mm (2.9 inches)87%moderate
March Weather3°C (38°F)72 mm (2.9 inches)86%high
April Weather7°C (45°F)54 mm (2.1 inches)83%very high
May Weather13°C (55°F)53 mm (2.1 inches)72%extreme
June Weather18°C (65°F)18 mm (0.7 inches)67%extreme
July Weather23°C (74°F)3 mm (0.1 inches)56%extreme
August Weather22°C (72°F)6 mm (0.2 inches)42%extreme
September Weather17°C (63°F)20 mm (0.8 inches)46%very high
October Weather9°C (49°F)35 mm (1.4 inches)67%high
November Weather4°C (40°F)47 mm (1.8 inches)86%moderate
December Weather-1°C (31°F)69 mm (2.7 inches)86%moderate

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