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
As March sets, the average high-temperature shows a slight increase, moving up from a cold 37.4°F (3°C) in February to a frosty 44.8°F (7.1°C). Throughout the nights in March, Riley experiences an average low-temperature of 30.6°F (-0.8°C).Humidity
In March, the average relative humidity in Riley is 71%.Rainfall
In March, in Riley, the rain falls for 17.7 days. Throughout March, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Riley, Oregon, 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 in Riley, Oregon. 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
In Riley, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:32 am and sunset at 5:47 pm PST. On the last day of the month, 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
The average sunshine in March is 7.5h.UV index
The months with the lowest UV index in Riley, Oregon, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in March translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Riley in March?
What is the average humidity in March in Riley?
How much does it rain in Riley in March?
What is the last month it snows in Riley?
What is the average length of the day in March in Riley?
What time are sunrise and sunset in March in Riley?
When does Daylight Saving Time (DST) start in March in Riley?
How many hours of sunshine does Riley have in March?
What are the months with the lowest UV index in Riley?
How high is the UV index in March in Riley?
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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