March weather forecastThornton, WA
March
Weather in March
The first month of the spring, March, is a frosty month in Thornton, Washington, with an average temperature varying between 46.9°F (8.3°C) and 33.1°F (0.6°C).Temperature
The onset of March introduces a subtle rise in the average high-temperature, nudging from an icy 39°F (3.9°C) in February to a chilly 46.9°F (8.3°C). An average nighttime temperature of 33.1°F (0.6°C) is recorded during March.Humidity
In March, the average relative humidity is 76%.Rainfall
In Thornton, during March, the rain falls for 13.7 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Thornton, during the entire year, the rain falls for 120.2 days and collects up to 14.69" (373mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Thornton, during March, snow falls for 4.8 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, there are 39.6 snowfall days, and 22.68" (576mm) of snow is accumulated.Daylight
The average length of the day in March is 11h and 57min.On the first day of the month, sunrise is at 6:27 am and sunset at 5:35 pm PST. On the last day of March, sunrise is at 6:28 am and sunset at 7:18 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 6.8h.UV index
In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In March, a daily maximum UV index of 3 leads to the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Thornton, WA
- Average high temperature in March: 46.9°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in March: 33.1°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).
Average pressure in March
Thornton, WA
- Average pressure in March: 30.03"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in March
Thornton, WA
- Average wind speed in March: 8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in March
Thornton, WA
- Average humidity in March: 76%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (37%).
Average rainfall in March
Thornton, WA
- Average rainfall in March: 1.61"
The wettest month (with the highest rainfall) is December (1.93").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in March
Thornton, WA
- Average rainfall days in March: 13.7 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in March
Thornton, WA
- Average snowfall in March: 2.95"
The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July and August (0").
Average snowfall days in March
Thornton, WA
- Average snowfall days in March: 4.8 days
The months with the highest number of snowfall days are February and December (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Thornton, 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: 6h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in March
Thornton, WA
- Average sunshine days in March: 14 days
The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in March
Thornton, WA
- Average UV index in March: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Thornton, WA
- Average cloud cover in March: 46
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in March
Thornton, WA
- Average visibility in March: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
