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April Weather in Green River, United States

Last updated: June 24, 2025

In April, the average temperature in Green River, United States hovers around 13°C (56°F). Expect a range from a chilly -5°C (23°F) to a warm 30°C (85°F). Notably, precipitation is limited, with just 11 mm (0.4 in) falling over 3 days. The air is moderately humid, with an average humidity level of 69%.

April Temperature in Green River

In April in Green River, the average temperature is 13°C (56°F), with maximums reaching 30°C (85°F) and minimums dropping as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

April Weather in Green River: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Green River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green River, April typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (85°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec303748566578848171534233
Data source: Temperature data for Green River 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 Green River

In Green River in April, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

April Precipitation Trends in Green River

The chart displays monthly precipitation patterns in Green River, 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 Green River, April typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1920231120581213231515
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Green River

In Green River in April humidity is 69%. With an average temperature of 13°C (56°F), this humidity feels like a cool and damp embrace, which might make traveling somewhat uncomfortable as the air weighs down on you, adding to the chill and making your clothes cling.

April Average Humidity in Green River

This chart illustrates the average monthly humidity levels in Green River, 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 Green River is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%77%70%54%45%37%34%47%67%82%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Green River

In Green River in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Green River.

Maximum UV Index Levels in Green River for April

The chart shows the monthly maximum UV Index (UVI) for Green River 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 Green River typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec368101112121110753
Data source: Green River 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 Green River Compares to Other Months

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

This table compares monthly weather conditions in Green River, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)19 mm (0.7 inches)87%moderate
February Weather3°C (37°F)20 mm (0.8 inches)88%high
March Weather9°C (48°F)23 mm (0.9 inches)77%very high
April Weather13°C (56°F)11 mm (0.4 inches)69%very high
May Weather18°C (65°F)20 mm (0.8 inches)54%extreme
June Weather25°C (78°F)5 mm (0.2 inches)45%extreme
July Weather29°C (84°F)8 mm (0.3 inches)37%extreme
August Weather27°C (81°F)12 mm (0.5 inches)34%extreme
September Weather22°C (71°F)13 mm (0.5 inches)47%very high
October Weather11°C (53°F)23 mm (0.9 inches)67%high
November Weather5°C (42°F)15 mm (0.6 inches)82%moderate
December Weather0°C (33°F)15 mm (0.6 inches)87%moderate

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