May weather forecastCentralia, WA
May
Weather in May
May, the last month of the spring in Centralia, is a comfortable month, with an average temperature fluctuating between 41.2°F (5.1°C) and 64.9°F (18.3°C).Temperature
May's arrival coincides with a subtle temperature rise, moving from April's mild 56.7°F (13.7°C) to a comfortable 64.9°F (18.3°C). Centralia reports a marked divergence from daytime peaks throughout May, with lows averaging at a cold 41.2°F (5.1°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In May, the rain falls for 13.4 days. Throughout May, 1.34" (34mm) of precipitation is accumulated. In Centralia, during the entire year, the rain falls for 168 days and collects up to 23.94" (608mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 15h and 4min.On the first day of May in Centralia, sunrise is at 5:55 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:57 pm PDT.
Sunshine
In Centralia, the average sunshine in May is 8h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Take precautions - Protection against sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Centralia, WA
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in May: 41.2°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in May
Centralia, WA
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in May
Centralia, WA
- Average wind speed in May: 4mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in May
Centralia, WA
- Average humidity in May: 78%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Centralia, WA
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Centralia, WA
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in May
Centralia, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Centralia, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Centralia, WA
- Average daylight in May: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in May
Centralia, WA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in May
Centralia, WA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Centralia, WA
- Average cloud cover in May: 55
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in May
Centralia, WA
- Average visibility in May: 4mi
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
