May Weather in Ritzville, United States

Last updated: June 24, 2025

In May, the average temperature in Ritzville, United States hovers around 17°C (62°F), creating a pleasant climate for outdoor activities. Temperatures can dip to a cool 3°C (37°F) at night, while daytime highs may reach an impressive 34°C (94°F). Expect about 24 mm (1.0 in) of rain over approximately 6 days, adding a refreshing touch to the month’s warm ambiance. With an average humidity level of 77%, the air feels comfortably mild, perfect for exploring all that this destination has to offer!

May Temperature in Ritzville

In May in Ritzville, the average temperature is 17°C (62°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 3°C (37°F). This makes Ritzville a great destination for travelers looking to experience mild weather with the possibility of warm days and cool evenings.

May Weather in Ritzville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ritzville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ritzville, May typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec333343516270787765504033
Data source: Temperature data for Ritzville 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 Ritzville

In Ritzville in May, the precipitation amount is 24 mm (1.0 in) spread over a period of 6 days.

May Precipitation Trends in Ritzville

The chart displays monthly precipitation patterns in Ritzville, 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 Ritzville, May typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5143413324131717385143
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ritzville

In Ritzville in May humidity is 77%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, creating a lush, almost tropical atmosphere that can be quite stifling for traveling, making it essential to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Ritzville

This chart illustrates the average monthly humidity levels in Ritzville, 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 Ritzville 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 Ritzville

In Ritzville 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 Ritzville.

Maximum UV Index Levels in Ritzville for May

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

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

This table compares monthly weather conditions in Ritzville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)51 mm (2.0 inches)85%low
February Weather0°C (33°F)43 mm (1.7 inches)86%moderate
March Weather6°C (43°F)41 mm (1.6 inches)86%moderate
April Weather10°C (51°F)33 mm (1.3 inches)82%high
May Weather17°C (62°F)24 mm (1.0 inches)77%very high
June Weather21°C (70°F)12 mm (0.5 inches)79%very high
July Weather26°C (78°F)1 mm (0.1 inches)77%very high
August Weather25°C (77°F)7 mm (0.3 inches)62%very high
September Weather19°C (66°F)17 mm (0.7 inches)60%high
October Weather10°C (50°F)38 mm (1.5 inches)80%moderate
November Weather4°C (40°F)51 mm (2.0 inches)87%moderate
December Weather1°C (33°F)43 mm (1.7 inches)86%low

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