March weather forecastHillsboro, OR
March
Weather in March
March officially marks the onset of spring in Hillsboro, accompanied by mild temperatures, with an average high of nearly 52.2°F (11.2°C). Relatively longer, brighter days can be expected with a dip in cloud coverage, while glimpses of blue skies are abundant. However, rainfall remains an integral part of the weather, making this period a haven for nature enthusiasts who relish the unique combination of gentle sunlight and the lustre of rain-drenched foliage. The humidity decreases somewhat, yet the dampness in the air signifies that winter has only just retreated. Notably, March holds a diminishing frequency of snowfall that often doesn't exceed 1.42" (36mm), marking the end of the frosty weather.Temperature
Hillsboro transitions into March recording an average high-temperature of a fresh 52.2°F (11.2°C), closely aligning with the preceding month's temperature. March nights observe an average temperature dip to an icy 37.8°F (3.2°C).Humidity
The average relative humidity in March is 83%.Rainfall
In Hillsboro, in March, during 20.8 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 173 rainfall days, and 29.49" (749mm) of precipitation is accumulated.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, Hillsboro aggregates 1.42" (36mm) of snow. In Hillsboro, during the entire year, snow falls for 6.6 days and aggregates up to 4.53" (115mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:48 am and sunset at 5:59 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
In Hillsboro, Oregon, the average sunshine in March is 5.3h.UV index
In Hillsboro, Oregon, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in March interprets into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Hillsboro, OR
- Average high temperature in March: 52.2°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in March: 37.8°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in March
Hillsboro, OR
- Average pressure in March: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in March
Hillsboro, OR
- Average wind speed in March: 5mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity in March
Hillsboro, OR
- Average humidity in March: 83%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in March
Hillsboro, OR
- Average rainfall in March: 3.35"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in March
Hillsboro, OR
- Average rainfall days in March: 20.8 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in March
Hillsboro, OR
- Average snowfall in March: 1.42"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Hillsboro, OR
- Average snowfall days in March: 1.6 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Hillsboro, 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: 5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in March
Hillsboro, OR
- Average sunshine days in March: 8.5 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in March
Hillsboro, OR
- Average UV index in March: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Hillsboro, OR
- Average cloud cover in March: 61
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in March
Hillsboro, OR
- Average visibility in March: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).
