March weather forecastMattawa, WA
March
Weather in March
March, the first month of the spring in Mattawa, is a cool month, with an average temperature fluctuating between 35.8°F (2.1°C) and 51.4°F (10.8°C).Temperature
As Mattawa transitions into March, a rise in the average high-temperature is observed, moving from a cold 41.4°F (5.2°C) in February to a cool 51.4°F (10.8°C). The average temperature during March nights is registered at an icy 35.8°F (2.1°C).Humidity
The average relative humidity in March is 65%.Rainfall
In Mattawa, in March, it is raining for 10.6 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 86.4 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. In March, it is snowing for 2.1 days. Throughout March, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 22.3 snowfall days, and 10" (254mm) of snow is accumulated.Daylight
In Mattawa, the average length of the day in March is 11h and 57min.On the first day of March, sunrise is at 6:37 am and sunset at 5:46 pm PST. On the last day of the month, sunrise is at 6:38 am and sunset at 7:28 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
In Mattawa, the average sunshine in March is 7.8h.UV index
In Mattawa, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during March translates into the following directions:
Take precautions - Protection against sunburn is recommended. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Mattawa, WA
- Average high temperature in March: 51.4°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in March: 35.8°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in March
Mattawa, WA
- Average pressure in March: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in March
Mattawa, WA
- Average wind speed in March: 6.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in March
Mattawa, WA
- Average humidity in March: 65%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in March
Mattawa, WA
- Average rainfall in March: 0.67"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in March
Mattawa, WA
- Average rainfall days in March: 10.6 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in March
Mattawa, WA
- Average snowfall in March: 0.91"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in March
Mattawa, WA
- Average snowfall days in March: 2.1 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Mattawa, 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: 7h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in March
Mattawa, WA
- Average sunshine days in March: 17.1 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in March
Mattawa, 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
Mattawa, WA
- Average cloud cover in March: 37
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in March
Mattawa, WA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
