March weather forecastLongview, WA
March
Weather in March
The first month of the spring, March, is a fresh month in Longview, Washington, with an average temperature ranging between min 34.7°F (1.5°C) and max 50°F (10°C).Temperature
Longview marks the onset of March with an average high-temperature of a fresh 50°F (10°C), a subtle shift from February's 45.5°F (7.5°C). The average nighttime temperature lowers to a wintry 34.7°F (1.5°C) throughout March.Humidity
In March, the average relative humidity is 87%.Rainfall
In March, the rain falls for 20.3 days. Throughout March, 2.83" (72mm) of precipitation is accumulated. In Longview, during the entire year, the rain falls for 175.5 days and collects up to 25.83" (656mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. March is the last month it regularly snows in Longview. During 1.4 snowfall days, in March, Longview aggregates 0.79" (20mm) of snow. In Longview, during the entire year, snow falls for 6.7 days and aggregates up to 3.54" (90mm) of snow.Ocean temperature
In March, the average ocean temperature is 46.9°F (8.3°C).Note: Swimming in 46.9°F (8.3°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.
Daylight
In Longview, Washington, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:48 am and sunset at 5:58 pm PST. On the last day of March, in Longview, sunrise is at 6:51 am and sunset at 7:39 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 4.8h.UV index
In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In March, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Longview, WA
- Average high temperature in March: 50°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in March: 34.7°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 (32.7°F).
Average pressure in March
Longview, WA
- Average pressure in March: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in March
Longview, WA
- Average wind speed in March: 4.7mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in March
Longview, WA
- Average humidity in March: 87%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in March
Longview, WA
- Average rainfall in March: 2.83"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in March
Longview, WA
- Average rainfall days in March: 20.3 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in March
Longview, WA
- Average snowfall in March: 0.79"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Longview, WA
- Average snowfall days in March: 1.4 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in March
Longview, WA
- Average sea temperature in March: 46.9°F
The best month for swimming (with the highest average sea temperature) is September (53.8°F).
The coldest month (with the lowest average sea temperature) is February (46.6°F).
Average daylight in March /
Average sunshine in March
Longview, WA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in March: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in March
Longview, WA
- Average sunshine days in March: 8.9 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in March
Longview, WA
- Average UV index in March: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in March
Longview, WA
- Average cloud cover in March: 65
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in March
Longview, WA
- Average visibility in March: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).





