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April Weather in Garrison, United States

Last updated: June 24, 2025

In April, the average temperature in Garrison, United States hovers around 3°C (38°F), though it can fluctuate between a brisk -22°C (-8°F) and a surprisingly warm 25°C (77°F). Expect around 26 mm (1.0 in) of precipitation spread over 6 days, contributing to a relatively high average humidity of 75%.

April Temperature in Garrison

In April in Garrison, the average temperature is 3°C (38°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -22°C (-8°F). This wide temperature range means it's essential to pack layers and be prepared for both chilly and warmer days while exploring the area.

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

The chart illustrates April temperature patterns in Garrison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garrison, April typically has an average temperature of 3°C (38°F), with highs reaching up to 25°C (77°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec121027375467726859422919
Data source: Temperature data for Garrison 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 Garrison

In Garrison in April, the precipitation amount is 26 mm (1.0 in) over the course of 6 days.

April Precipitation Trends in Garrison

The chart displays monthly precipitation patterns in Garrison, 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 Garrison, April typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec131626263966635768402121
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Garrison

In Garrison in April humidity is 75%. With an average temperature of 3°C (38°F), this humidity feels like a chill that clings to your skin, making outdoor exploration uncomfortable and urging you to seek warmth indoors.

April Average Humidity in Garrison

This chart illustrates the average monthly humidity levels in Garrison, 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 Garrison is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Garrison

In Garrison 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 Garrison.

Maximum UV Index Levels in Garrison for April

The chart shows the monthly maximum UV Index (UVI) for Garrison 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 Garrison typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245989987532
Data source: Garrison 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 Garrison Compares to Other Months

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

This table compares monthly weather conditions in Garrison, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)13 mm (0.5 inches)84%low
February Weather-12°C (10°F)16 mm (0.6 inches)88%moderate
March Weather-3°C (28°F)26 mm (1.0 inches)78%moderate
April Weather3°C (38°F)26 mm (1.0 inches)75%very high
May Weather12°C (54°F)39 mm (1.5 inches)76%very high
June Weather19°C (67°F)66 mm (2.6 inches)79%very high
July Weather22°C (72°F)63 mm (2.5 inches)78%very high
August Weather20°C (68°F)57 mm (2.2 inches)78%very high
September Weather15°C (59°F)68 mm (2.7 inches)69%high
October Weather6°C (43°F)40 mm (1.6 inches)71%moderate
November Weather-2°C (29°F)21 mm (0.8 inches)82%moderate
December Weather-7°C (20°F)21 mm (0.8 inches)84%low

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