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May Weather in Green River, United States

Last updated: June 24, 2025

In May, the average temperature in Green River, United States hovers around 11°C (53°F). Daily temperatures can fluctuate dramatically, with minimums dropping to -4°C (25°F) and maximums reaching up to 29°C (85°F). Visitors can expect 44 mm (1.7 in) of precipitation spread over 10 days, while the average humidity lingers at 64%, creating a pleasantly moderate climate.

May Temperature in Green River

In May in Green River, the average temperature is 11°C (53°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -4°C (25°F). It's advisable to pack layers when traveling to Green River during this time to accommodate the wide range of temperatures.

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

The chart illustrates May 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, May typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (25°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.

May Precipitation in Green River

In Green River in May, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.

May Precipitation Trends in Green River

The chart displays monthly precipitation patterns in Green River, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Green River, May typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec24244138441571119212322
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Green River

In Green River in May, humidity is 64%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp blanket wrapping around you, making traveling a bit challenging as the air feels heavier, and you may want to dress in layers to stay comfortable while exploring.

May Average Humidity in Green River

This chart illustrates the average monthly humidity levels in Green River, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Green River is approximately 64%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Green River

In Green River in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Green River.

Maximum UV Index Levels in Green River for May

The chart shows the monthly maximum UV Index (UVI) for Green River in May, 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 May, the maximum UV index in Green River typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111212119743
Data source: Green River May 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 May 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 May’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 May’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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