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May Weather in Coulee City, United States

Last updated: June 24, 2025

In May, the average temperature in Coulee City, United States is a comfortable 17°C (63°F), though you might experience a minimum of 3°C (38°F) and a possible maximum of 34°C (93°F). Expect around 18 mm (0.7 in) of precipitation over 5 days, with the humidity hovering at a steady 77%. Perfect conditions for exploring!

May Temperature in Coulee City

In May in Coulee City, the average temperature is 17°C (63°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 3°C (38°F). This range makes it advisable for travelers to pack layers to accommodate the varying temperatures throughout the day.

May Weather in Coulee City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Coulee City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coulee City, May typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec303142516370787766503932
Data source: Temperature data for Coulee City 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 Coulee City

In Coulee City in May, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

May Precipitation Trends in Coulee City

The chart displays monthly precipitation patterns in Coulee City, 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 Coulee City, May typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec483831281882416334040
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Coulee City

In Coulee City in May, humidity is 77%. With an average temperature of 17°C (63°F), this humidity feels like a cozy blanket wrapped around you, creating a muggy atmosphere that can be a bit uncomfortable for traveling, making you want to seek shade and hydration as you explore.

May Average Humidity in Coulee City

This chart illustrates the average monthly humidity levels in Coulee City, 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 Coulee City is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Coulee City

In Coulee City in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Coulee City.

Maximum UV Index Levels in Coulee City for May

The chart shows the monthly maximum UV Index (UVI) for Coulee City 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 Coulee City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
Data source: Coulee City 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 Coulee City Compares to Other Months

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

This table compares monthly weather conditions in Coulee City, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)48 mm (1.9 inches)85%low
February Weather-1°C (31°F)38 mm (1.5 inches)86%moderate
March Weather6°C (42°F)31 mm (1.2 inches)86%moderate
April Weather11°C (52°F)28 mm (1.1 inches)82%high
May Weather17°C (63°F)18 mm (0.7 inches)77%very high
June Weather21°C (71°F)8 mm (0.3 inches)79%very high
July Weather26°C (78°F)2 mm (0.1 inches)77%very high
August Weather25°C (77°F)4 mm (0.2 inches)62%very high
September Weather19°C (66°F)16 mm (0.6 inches)60%high
October Weather10°C (50°F)33 mm (1.3 inches)80%moderate
November Weather4°C (40°F)40 mm (1.6 inches)87%moderate
December Weather0°C (32°F)40 mm (1.6 inches)86%low

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