Climate and monthly weather forecastSunriver, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Sunriver, Oregon, with an average temperature fluctuating between 38.7°F (3.7°C) and 26.8°F (-2.9°C). With January's arrival, Sunriver notes an average high-temperature of a still cold 38.7°F (3.7°C), closely following the trend of the preceding month. Weather in January »Weather in February
February, the last month of the winter in Sunriver, is also an icy month, with an average temperature ranging between min 27°F (-2.8°C) and max 39°F (3.9°C). February brings a marginal elevation to a still cold 39°F (3.9°C) from January's 38.7°F (3.7°C) in Sunriver's average high-temperatures. Weather in February »Weather in March
March, the first month of the spring in Sunriver, is a chilly month, with an average temperature varying between 43.3°F (6.3°C) and 29.7°F (-1.3°C). March commences with an average high-temperature of a frosty 43.3°F (6.3°C), showing little deviation from February's 39°F (3.9°C). Weather in March »Weather in April
April is a fresh spring month in Sunriver, Oregon, with an average temperature ranging between min 33.6°F (0.9°C) and max 50.5°F (10.3°C). The average high-temperature mildly increases in April, edging from a chilly 43.3°F (6.3°C) in March to a fresh 50.5°F (10.3°C). Weather in April »Weather in May
May, the last month of the spring in Sunriver, is a mild month, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 40.5°F (4.7°C). May's arrival coincides with a temperature rise, moving from April's cool 50.5°F (10.3°C) to a mild 60.6°F (15.9°C). Weather in May »Weather in June
June, the first month of the summer in Sunriver, is an agreeable month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 68.2°F (20.1°C). June's arrival signals a subtle increase in average high-temperatures, moving from May's moderate 60.6°F (15.9°C) to a pleasant 68.2°F (20.1°C). Weather in June »Weather in July
July in Sunriver, Oregon, is a moderately hot summer month, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 79.5°F (26.4°C). In Sunriver, Oregon, the peak temperatures are generally noted in July, averaging a high of 79.5°F (26.4°C) and a low of 51.8°F (11°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Sunriver, Oregon, with an average temperature ranging between min 52.2°F (11.2°C) and max 78.8°F (26°C). With August's arrival, Sunriver's weather records an average high-temperature of a still warm 78.8°F (26°C), marking little difference from July's 79.5°F (26.4°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Sunriver, Oregon, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 46°F (7.8°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 78.8°F (26°C) in August to a pleasant 70°F (21.1°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Sunriver, Oregon, with an average temperature varying between 38.3°F (3.5°C) and 56.1°F (13.4°C). The arrival of October corresponds with a temperature reduction, down from September's pleasant 70°F (21.1°C) to a moderate 56.1°F (13.4°C). Weather in October »Weather in November
November, the last month of the autumn in Sunriver, is another chilly month, with an average temperature varying between 44.2°F (6.8°C) and 31.1°F (-0.5°C). The arrival of November corresponds with a temperature reduction, down from October's refreshing 56.1°F (13.4°C) to a chilly 44.2°F (6.8°C). Weather in November »Weather in December
December, the first month of the winter in Sunriver, is also a wintry month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 35.8°F (2.1°C). December is the month when Sunriver experiences its coldest temperatures, averaging a high of 35.8°F (2.1°C) and a low of 24.6°F (-4.1°C). Weather in December »Updated: Aug 6, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Sunriver, Oregon, during the entire year, the rain falls for 107.1 days and collects up to 12.17" (309mm) of precipitation.
January through May, September through December are months with snowfall.
Throughout the year, there are 44.9 snowfall days, and 24.57" (624mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 8.3 days and typically aggregates up to 6.65" (169mm) of snow.
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 ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
May is the month with the most rainfall. Rain falls for 14 days and accumulates 1.5" (38mm) of precipitation.
June through August are months without snowfall.
With an average of 15h and 24min of daylight, June has the longest days of the year.
The warmest time of the year is July, with temperatures averaging a high of 79.5°F (26.4°C) and a low of 51.8°F (11°C).
The least humid month in Sunriver, Oregon, is July, with an average relative humidity of 48%.
July is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.35" (9mm) of precipitation.
The month with the most sunshine is July, with an average of 12h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
With average temperatures fluctuating between a high of 35.8°F (2.1°C) and a low of 24.6°F (-4.1°C), December stands out as the coldest month.
December is the most humid month, with an average relative humidity of 82%.
December has the shortest days of the year in Sunriver, with an average of 9h and 0min of daylight.
With an average of 5.4h of sunshine, December has the least sunshine of the year in Sunriver.
Average temperature
Sunriver, OR
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (35.8°F).
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).
Average pressure
Sunriver, OR
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed
Sunriver, OR
- Average wind speed in January:
7.1mph - Average wind speed in February:
6.9mph - Average wind speed in March:
7mph - Average wind speed in April:
6.7mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6mph - Average wind speed in November:
7mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Sunriver, OR
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (48%).
Average rainfall
Sunriver, OR
- Average rainfall in January:
1.3" - Average rainfall in February:
1.3" - Average rainfall in March:
1.26" - Average rainfall in April:
1.14" - Average rainfall in May:
1.5" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.55" - Average rainfall in September:
0.83" - Average rainfall in October:
0.91" - Average rainfall in November:
0.79" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Sunriver, OR
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
14 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
4.8 days - Average rainfall days in August:
5.4 days - Average rainfall days in September:
6.6 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
7 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is July (4.8 days).
Average snowfall
Sunriver, OR
- Average snowfall in January:
4.25" - Average snowfall in February:
6.65" - Average snowfall in March:
4.72" - Average snowfall in April:
1.73" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Sunriver, OR
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
9.5 days - Average snowfall days in April:
4.6 days - Average snowfall days in May:
1.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
1 days - Average snowfall days in November:
4.3 days - Average snowfall days in December:
8.3 days
The month with the highest number of snowfall days is March (9.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Sunriver, OR
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h 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 January:
5h and 36min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 36min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
10h and 48min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days
Sunriver, OR
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
23.6 days - Average sunshine days in August:
23.3 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is April (12.8 days).
Average UV index
Sunriver, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Sunriver, OR
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility
Sunriver, OR
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
