Climate and monthly weather forecastOroville, WA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Oroville, Washington, with an average temperature varying between 28.2°F (-2.1°C) and 14.4°F (-9.8°C). Oroville's January average high-temperature settles at a still subzero cold 28.2°F (-2.1°C), showing a near match with the preceding month. Weather in January »Weather in February
February, the last month of the winter in Oroville, is also a subzero cold month, with an average temperature varying between 29.8°F (-1.2°C) and 13.8°F (-10.1°C). In February, Oroville notes an average high-temperature of a still freezing cold 29.8°F (-1.2°C), hardly different from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Oroville, is an icy month, with an average temperature ranging between min 22.5°F (-5.3°C) and max 38.3°F (3.5°C). Oroville experiences a minor temperature shift with the start of March, with average high-temperatures moving from a subzero cold 29.8°F (-1.2°C) in February to a cold 38.3°F (3.5°C). Weather in March »Weather in April
April in Oroville, Washington, is a chilly spring month, with an average temperature fluctuating between 49.6°F (9.8°C) and 29.7°F (-1.3°C). Oroville's April weather brings a rise in high-temperatures, moving from a wintry 38.3°F (3.5°C) in March to a frosty 49.6°F (9.8°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Oroville, Washington, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 62.6°F (17°C). The start of May signals an increase in the average high-temperature, moving from a frosty 49.6°F (9.8°C) in April to a comfortable 62.6°F (17°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Oroville, Washington, with an average temperature ranging between min 42.4°F (5.8°C) and max 68.5°F (20.3°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from a comfortable 62.6°F (17°C) in May to a pleasant 68.5°F (20.3°C). Weather in June »Weather in July
July is a moderately hot summer month in Oroville, Washington, with an average temperature fluctuating between 48.6°F (9.2°C) and 78.4°F (25.8°C). As Oroville welcomes July, the average high-temperature sees a rise, transitioning from a pleasant 68.5°F (20.3°C) in June to a moderately hot 78.4°F (25.8°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Oroville, Washington, with an average temperature varying between 49.5°F (9.7°C) and 79.2°F (26.2°C). Oroville's temperatures peak on average in August, reaching 79.2°F (26.2°C) at their highest and 49.5°F (9.7°C) at their lowest. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Oroville, Washington, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 42.8°F (6°C). Welcoming September, Oroville observes a shift in the average high-temperature, falling from August's moderately hot 79.2°F (26.2°C) to a refreshing 67.8°F (19.9°C). Weather in September »Weather in October
October, like September, in Oroville, Washington, is another fresh autumn month, with an average temperature fluctuating between 50.9°F (10.5°C) and 32.9°F (0.5°C). Oroville sees a considerable decrease in average high-temperatures during October, falling from a comfortable 67.8°F (19.9°C) in September to a cool 50.9°F (10.5°C). Weather in October »Weather in November
November, the last month of the autumn in Oroville, is another cold month, with an average temperature fluctuating between 36.5°F (2.5°C) and 23.7°F (-4.6°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's fresh 50.9°F (10.5°C) to an icy 36.5°F (2.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Oroville, Washington, with an average temperature ranging between min 13.1°F (-10.5°C) and max 27°F (-2.8°C). Oroville's December weather, marked by an average high temperature of 27°F (-2.8°C) and an average low temperature of 13.1°F (-10.5°C), is the coldest in the year. Weather in December »Updated: Jul 20, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The most humid month is January, with an average relative humidity of 94%.
In Oroville, during the entire year, the rain falls for 112.2 days and collects up to 14.69" (373mm) of precipitation.
January through May, September through December are months with snowfall.
Throughout the year, there are 89.6 snowfall days, and 47.44" (1205mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.9h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
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 13.8 days and accumulates 1.97" (50mm) of precipitation.
In Oroville, snow does not fall in June through August.
The month with the longest days is June, with an average of 16h and 6min of daylight.
The month with the highest UV index is July, with an average maximum UV index of 6.
August is the warmest month, with the temperature often reaching an average high of 79.2°F (26.2°C) and an average low of 49.5°F (9.7°C).
August is the least humid month, with an average relative humidity of 49%.
August is the month with the least rainfall. Rain falls for 5.8 days and accumulates 0.47" (12mm) of precipitation.
With an average of 12h of sunshine, August has the most sunshine of the year.
December, known for its average high temperature of 27°F (-2.8°C) and an average low temperature of 13.1°F (-10.5°C), is the coldest month.
December is the month with the most snowfall. Snow falls for 17.3 days and accumulates 9.76" (248mm) of snow.
With an average of 8h and 18min of daylight, December has the shortest days of the year.
Average temperature
Oroville, WA
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (27°F).
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure
Oroville, WA
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed
Oroville, WA
- Average wind speed in January:
3.7mph - Average wind speed in February:
3.7mph - Average wind speed in March:
4.1mph - Average wind speed in April:
4.5mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.3mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.1mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4mph - Average wind speed in December:
3.7mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest months (with the lowest average wind speed) are January, February and December (3.7mph).
Average humidity
Oroville, WA
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall
Oroville, WA
- Average rainfall in January:
1.26" - Average rainfall in February:
0.94" - Average rainfall in March:
1.73" - Average rainfall in April:
1.22" - Average rainfall in May:
1.97" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.47" - Average rainfall in September:
1.1" - Average rainfall in October:
1.02" - Average rainfall in November:
1.26" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is August (0.47").
Average rainfall days
Oroville, WA
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
11 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
7.6 days - Average rainfall days in August:
5.8 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall
Oroville, WA
- Average snowfall in January:
9.69" - Average snowfall in February:
6.73" - Average snowfall in March:
9.45" - Average snowfall in April:
1.81" - Average snowfall in May:
0.79" - Average snowfall in June:
0"
The month with the highest snowfall is December (9.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Oroville, WA
- Average snowfall days in January:
18.3 days - Average snowfall days in February:
16 days - Average snowfall days in March:
15.1 days - Average snowfall days in April:
5.6 days - Average snowfall days in May:
0.8 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:
0.4 days - Average snowfall days in October:
2.2 days - Average snowfall days in November:
13.9 days - Average snowfall days in December:
17.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Oroville, WA
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 12min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 24min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Oroville, WA
- Average sunshine days in January:
12.5 days - Average sunshine days in February:
11.3 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
22 days - Average sunshine days in August:
22.4 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
12.1 days - Average sunshine days in December:
13.7 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (10.8 days).
Average UV index
Oroville, WA
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 1).
Average cloud cover
Oroville, WA
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility
Oroville, WA
The months with the highest visibility are April, May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
