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May Weather in Centralia, United States

Last updated: June 24, 2025

In May, the average temperature in Centralia, United States hovers around 19°C (66°F), with a range from a chilly 4°C (40°F) to a warm 35°C (95°F). Expect 189 mm (7.4 in) of precipitation spread over 15 days, contributing to an average humidity of 82%. Prepare for a month of varied weather as you explore this vibrant locale!

May Temperature in Centralia

In May in Centralia, the average temperature is 19°C (66°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 4°C (40°F). This wide temperature range makes it advisable for travelers to pack clothing suitable for both warm afternoons and cooler evenings.

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

The chart illustrates May temperature patterns in Centralia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Centralia, May typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546676797672574438
Data source: Temperature data for Centralia 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 Centralia

In Centralia in May, the precipitation amount is 189 mm (7.4 in) spread over 15 days.

May Precipitation Trends in Centralia

The chart displays monthly precipitation patterns in Centralia, 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 Centralia, May typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec665911911418911498122591105440
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Centralia

In Centralia in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

May Average Humidity in Centralia

This chart illustrates the average monthly humidity levels in Centralia, 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 Centralia is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Centralia

In Centralia in May, 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 Centralia.

Maximum UV Index Levels in Centralia for May

The chart shows the monthly maximum UV Index (UVI) for Centralia 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 Centralia typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Centralia 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 Centralia Compares to Other Months

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

This table compares monthly weather conditions in Centralia, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)66 mm (2.6 inches)82%moderate
February Weather1°C (33°F)59 mm (2.3 inches)80%moderate
March Weather8°C (46°F)118 mm (4.7 inches)80%high
April Weather12°C (54°F)114 mm (4.5 inches)80%very high
May Weather19°C (66°F)189 mm (7.4 inches)82%very high
June Weather25°C (77°F)114 mm (4.5 inches)83%extreme
July Weather26°C (80°F)97 mm (3.8 inches)81%extreme
August Weather24°C (76°F)122 mm (4.8 inches)80%very high
September Weather22°C (72°F)59 mm (2.3 inches)76%very high
October Weather14°C (58°F)110 mm (4.3 inches)76%high
November Weather6°C (44°F)54 mm (2.1 inches)85%moderate
December Weather3°C (38°F)40 mm (1.6 inches)86%moderate

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