May Weather in Centralia, United States

Last updated: June 24, 2025

In Centralia, United States, the average temperature for May hovers around 20°C (68°F), creating a pleasant climate. Expect temperatures to range from a chilly 3°C (38°F) to a warm 34°C (94°F). During this month, precipitation amounts to approximately 176 mm (6.9 in) over 14 days, with an average humidity level of 80%. Stay prepared for a mix of weather!

May Temperature in Centralia

In May in Centralia, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (94°F), while minimums can dip as low as 3°C (38°F). Overall, it's an ideal time for travelers to enjoy a mix of warm days and cool nights in Centralia.

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 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec333747566877807773604540
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 176 mm (6.9 in) over a period of 14 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 176 mm (6.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec859514112617610694100631218580
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 80%. With an average temperature of 20°C (68°F), this humidity feels like traveling through a warm, dense blanket that clings to your skin, making you feel both sticky and lethargic as you explore the sights.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
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 Weather1°C (34°F)85 mm (3.3 inches)84%moderate
February Weather3°C (37°F)95 mm (3.7 inches)82%moderate
March Weather9°C (48°F)141 mm (5.6 inches)84%high
April Weather13°C (56°F)126 mm (5.0 inches)83%very high
May Weather20°C (68°F)176 mm (6.9 inches)80%extreme
June Weather25°C (77°F)106 mm (4.2 inches)83%extreme
July Weather27°C (80°F)94 mm (3.7 inches)82%very high
August Weather25°C (77°F)100 mm (3.9 inches)82%very high
September Weather23°C (73°F)62 mm (2.5 inches)79%very high
October Weather15°C (60°F)121 mm (4.8 inches)79%high
November Weather7°C (45°F)84 mm (3.3 inches)88%moderate
December Weather4°C (40°F)80 mm (3.2 inches)87%moderate

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