March weather forecastForest Grove, OR
March
Weather in March
In Forest Grove, March opens the door to Spring, bringing a shift in weather patterns. The temperatures start to climb with highs reaching 50.5°F (10.3°C) and lows at 36.1°F (2.3°C). This month also boasts increased daylight hours, a welcome change for locals. Despite the rising temperatures and longer days, rainfall remains quite frequent, although snowfall is relatively rare. The weather in March is a harbinger of the warmth that April has in store.Temperature
During March, the average high-temperature is a fresh 50.5°F (10.3°C), maintaining a close resemblance to that of the preceding month. In March, the average low-temperature records at an icy 36.1°F (2.3°C) during the nights.Humidity
The average relative humidity in March in Forest Grove is 86%.Rainfall
In Forest Grove, in March, during 21.4 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Forest Grove, during the entire year, the rain falls for 183.5 days and collects up to 34.45" (875mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. March is the last month it regularly snows. During 1.6 snowfall days, in March, Forest Grove aggregates 1.22" (31mm) of snow. Throughout the year, there are 7.1 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:49 am and sunset at 6:00 pm PST. On the last day of March, sunrise is at 6:52 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 Forest Grove, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In March, the maximum UV index of 3 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Forest Grove, OR
- Average high temperature in March: 50.5°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in March: 36.1°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in March
Forest Grove, OR
- 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
Forest Grove, OR
- Average wind speed in March: 4.9mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in March
Forest Grove, OR
- Average humidity in March: 86%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in March
Forest Grove, OR
- Average rainfall in March: 3.9"
The wettest month (with the highest rainfall) is January (5.47").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in March
Forest Grove, OR
- Average rainfall days in March: 21.4 days
The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in March
Forest Grove, OR
- Average snowfall in March: 1.22"
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 March
Forest Grove, OR
- Average snowfall days in March: 1.6 days
The month with the highest number of snowfall days is February (2.9 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
Forest Grove, OR
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- 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 and February (Average sunshine: 3h and 30min).
Average sunshine days in March
Forest Grove, OR
- Average sunshine days in March: 7.6 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in March
Forest Grove, OR
- 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
Forest Grove, OR
- Average cloud cover in March: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in March
Forest Grove, OR
- Average visibility in March: 4mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
