April Weather in Green River, United States

Last updated: June 24, 2025

In April, the average temperature in Green River, United States hovers around 5°C (42°F). While temperatures can dip to a chilly -11°C (13°F), they can also spike to a pleasant 24°C (76°F). Expect about 38 mm (1.5 in) of precipitation spread over 9 days, with an average humidity of 73%.

April Temperature in Green River

In April in Green River, the average temperature is 5°C (42°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when planning your travel to Green River during this time.

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 5°C (42°F), with highs reaching up to 24°C (76°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec192131425266747161443422
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 total precipitation amount is 38 mm (1.5 in) spread over a duration of 9 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 38 mm (1.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec24244138441571119212322
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 73%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making travel feel less invigorating and more like a struggle against the cold, damp air.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%85%73%64%57%45%41%50%70%84%90%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46710111212119743
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-7°C (19°F)24 mm (0.9 inches)92%moderate
February Weather-6°C (22°F)24 mm (1.0 inches)93%high
March Weather0°C (32°F)41 mm (1.6 inches)85%high
April Weather5°C (42°F)38 mm (1.5 inches)73%very high
May Weather11°C (53°F)44 mm (1.7 inches)64%extreme
June Weather19°C (66°F)15 mm (0.6 inches)57%extreme
July Weather23°C (74°F)7 mm (0.3 inches)45%extreme
August Weather22°C (72°F)11 mm (0.4 inches)41%extreme
September Weather16°C (62°F)19 mm (0.7 inches)50%very high
October Weather7°C (44°F)21 mm (0.8 inches)70%high
November Weather1°C (34°F)23 mm (0.9 inches)84%moderate
December Weather-6°C (22°F)22 mm (0.9 inches)90%moderate

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