March weather forecastChehalis, WA
March
Weather in March
March, the first month of the spring in Chehalis, is a cool month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 50.5°F (10.3°C).Temperature
During March, the average high-temperature is a cool 50.5°F (10.3°C), maintaining a close resemblance to that of the preceding month. Throughout March, Chehalis experiences a low-temperature average of 35.1°F (1.7°C).Humidity
In Chehalis, the average relative humidity in March is 87%.Rainfall
In Chehalis, in March, during 21.5 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Chehalis, Washington, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Chehalis. March is the last month it regularly snows. During 1.7 snowfall days, in March, Chehalis aggregates 1.18" (30mm) of snow. Throughout the year, in Chehalis, there are 9 snowfall days, and 5.59" (142mm) of snow is accumulated.Daylight
In Chehalis, the average length of the day in March is 11h and 57min.On the first day of the month, sunrise is at 6:49 am and sunset at 5:58 pm PST. On the last day of March, sunrise is at 6:51 am and sunset at 7:40 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
The average sunshine in March is 5h.UV index
In Chehalis, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in March leads to these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Chehalis, WA
- Average high temperature in March: 50.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in March: 35.1°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in March
Chehalis, WA
- Average pressure in March: 30.02"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 March
Chehalis, WA
- Average wind speed in March: 4.5mph
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 March
Chehalis, WA
- Average humidity in March: 87%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in March
Chehalis, WA
- Average rainfall in March: 3.9"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in March
Chehalis, WA
- Average rainfall days in March: 21.5 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in March
Chehalis, WA
- Average snowfall in March: 1.18"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Chehalis, WA
- Average snowfall days in March: 1.7 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Chehalis, WA
- Average daylight in March: 12h and 0min
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 March: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in March
Chehalis, WA
- Average sunshine days in March: 8.2 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in March
Chehalis, WA
- Average UV index in March: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Chehalis, WA
- Average cloud cover in March: 64
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in March
Chehalis, WA
- Average visibility in March: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





