Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
Riley in March experiences a slight uptick in the average high-temperature, adjusting from February's wintry 37.4°F (3°C) to a chilly 44.8°F (7.1°C). Throughout the month of March, the average temperature dips to a subzero cold 30.6°F (-0.8°C) at night.Humidity
In Riley, the average relative humidity in March is 71%.Rainfall
In Riley, during March, the rain falls for 17.7 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Riley, there are 125.1 rainfall days, and 11.26" (286mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Riley. March is the last month it regularly snows. During 0.5 snowfall days, in March, Riley aggregates 0.04" (1mm) of snow. In Riley, during the entire year, snow falls for 8.6 days and aggregates up to 1.97" (50mm) of snow.Daylight
The average length of the day in March in Riley is 11h and 58min.On the first day of the month, sunrise is at 6:32 am and sunset at 5:47 pm PST. On the last day of March, sunrise is at 6:39 am and sunset at 7:24 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 March, the average sunshine is 7.5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during March leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average March temperature?
What is the average humidity in March?
How many days does it rain in March in Riley?
What is the last month it snows?
What is the average length of the day in March?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What are the months with the lowest UV index?
How high is the UV index in March?
Average temperature in March
Riley, OR
- Average high temperature in March: 44.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in March: 30.6°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in March
Riley, OR
- Average pressure in March: 30.04"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in March
Riley, OR
- Average wind speed in March: 9.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in March
Riley, OR
- Average humidity in March: 71%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in March
Riley, OR
- Average rainfall in March: 1.38"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in March
Riley, OR
- Average rainfall days in March: 17.7 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in March
Riley, OR
- Average snowfall in March: 0.04"
The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Riley, OR
- Average snowfall days in March: 0.5 days
The month with the highest number of snowfall days is December (3.1 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
Riley, OR
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 7h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in March
Riley, OR
- Average sunshine days in March: 11.5 days
The months with the most sunshine days are July and August (25.3 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in March
Riley, OR
- Average UV index in March: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in March
Riley, OR
- Average cloud cover in March: 42
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in March
Riley, OR
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Riley, Oregon, USA
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