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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Rosburg, Washington, is another chilly winter month, with an average temperature ranging between min 38.3°F (3.5°C) and max 45.7°F (7.6°C). Rosburg's average high-temperature marks a still chilly 45.7°F (7.6°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Rosburg, Washington, with an average temperature fluctuating between 46.6°F (8.1°C) and 37.9°F (3.3°C). With the onset of February, a modest change to a still chilly 46.6°F (8.1°C) from January's 45.7°F (7.6°C) is noted in high-temperature. Weather in February »
Weather in March
March, the first month of the spring in Rosburg, is also a frosty month, with an average temperature ranging between max 49.6°F (9.8°C) and min 39.2°F (4°C). The onset of March notes an average high-temperature of a still frosty 49.6°F (9.8°C), subtly shifted from February's 46.6°F (8.1°C). Weather in March »
Weather in April
April is a cool spring month in Rosburg, Washington, with an average temperature varying between 52.5°F (11.4°C) and 41.2°F (5.1°C). As Rosburg steps into April, the average high-temperature is measured at a fresh 52.5°F (11.4°C), displaying minor differences from March's 49.6°F (9.8°C). Weather in April »
Weather in May
May, the last month of the spring in Rosburg, is a refreshing month, with an average temperature varying between 44.6°F (7°C) and 58.8°F (14.9°C). With the beginning of May, Rosburg's average high-temperature sees a minor increase, transitioning from a cool 52.5°F (11.4°C) in April to a mild 58.8°F (14.9°C). Weather in May »
Weather in June
June, the first month of the summer in Rosburg, is a comfortable month, with an average temperature fluctuating between 62.4°F (16.9°C) and 48°F (8.9°C). During June, Rosburg observes a subtle ascent to a comfortable 62.4°F (16.9°C) from May's 58.8°F (14.9°C) in the average high-temperature. Weather in June »
Weather in July
July, the same as June, is another refreshing summer month in Rosburg, Washington, with an average temperature varying between 67.3°F (19.6°C) and 50.9°F (10.5°C). As June turns into July, the average high-temperatures rest at a still comfortable 67.3°F (19.6°C), showing a minor variation from the prior month. Weather in July »
Weather in August
The last month of the summer, August, is an agreeable month in Rosburg, Washington, with an average temperature fluctuating between 68.2°F (20.1°C) and 52.5°F (11.4°C). The average temperatures reach their apex in August, averaging 68.2°F (20.1°C) at the high end and 52.5°F (11.4°C) at the low end. Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Rosburg, Washington, with an average temperature varying between 50.9°F (10.5°C) and 64.9°F (18.3°C). September brings a marginal elevation to a refreshing 64.9°F (18.3°C) from August's 68.2°F (20.1°C) in Rosburg's average high-temperatures. Weather in September »
Weather in October
October, like September, is a moderate autumn month in Rosburg, Washington, with an average temperature ranging between min 46.9°F (8.3°C) and max 57.7°F (14.3°C). As September shifts into October, a minor alteration in temperatures is observed, with average highs reducing from a comfortable 64.9°F (18.3°C) to a moderate 57.7°F (14.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Rosburg, is also a fresh month, with an average temperature varying between 50°F (10°C) and 42.1°F (5.6°C). In November, the meteorological conditions change slightly, with the average high-temperature moving from a refreshing 57.7°F (14.3°C) in October to a cool 50°F (10°C). Weather in November »
Weather in December
December, the first month of the winter in Rosburg, is also a frosty month, with an average temperature varying between 37.6°F (3.1°C) and 44.6°F (7°C). Rosburg's coldest temperatures are experienced in December, with average high temperatures of 44.6°F (7°C) and lows of 37.6°F (3.1°C). Weather in December »
Updated: Feb 14, 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
What are the most humid months in Rosburg?
The months with the highest humidity in Rosburg, Washington, are January, February, November and December, with an average relative humidity of 85%.
How many days does it rain in Rosburg?
In Rosburg, during the entire year, the rain falls for 195.9 days and collects up to 40.59" (1031mm) of precipitation.
When does it snow in Rosburg?
Months with snowfall in Rosburg are January through March and December.
What is the snowiest month in Rosburg?
The months with the most snowfall in Rosburg, Washington, are January and February, with an average 0.87" (22mm) of accumulated snow.
How many days does it snow in Rosburg?
Throughout the year, in Rosburg, there are 3.4 snowfall days, and 2.05" (52mm) of snow is accumulated.
What is the month with the least sunshine in Rosburg?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Rosburg?
The months with the lowest UV index in Rosburg are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Rosburg?
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.
When it does not snow in Rosburg?
In Rosburg, snow does not fall in April through November.
What are the least humid months in Rosburg?
The months with the lowest humidity are May and July, with an average relative humidity of 81%.
When are the longest days in Rosburg?
The month with the longest days in Rosburg is June, with an average of 15h and 42min of daylight.
What is the driest month in Rosburg?
July and August are months with the least rain in Rosburg, Washington, when the rain falls for 8.3 days and typically aggregates up to 0.55" (14mm) of rain.
When is the highest UV index in Rosburg?
The month with the highest UV index in Rosburg is July, with an average maximum UV index of 5.
What time of the year is the hottest in Rosburg?
August is the warmest month in Rosburg, with the temperature often reaching an average high of 68.2°F (20.1°C) and an average low of 52.5°F (11.4°C).
What month has the most sunshine in Rosburg?
August has the most sunshine of the year, with an average of 9.8h of sunshine.
What is the coldest time of year in Rosburg?
December, characterized by an average high temperature of 44.6°F (7°C) and a low temperature of 37.6°F (3.1°C), is generally the coldest month in Rosburg, Washington.
What is the wettest month in Rosburg?
December is the month with the most rainfall. Rain falls for 21.9 days and accumulates 6.42" (163mm) of precipitation.
What is the month with the shortest days in Rosburg?
December has the shortest days of the year in Rosburg, with an average of 8h and 42min of daylight.
Average temperature
Rosburg, WA
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.6°F).
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure
Rosburg, WA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.05"Hg - Average pressure in June:
30.06"Hg
- Average pressure in July:
30.07"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed
Rosburg, WA
- Average wind speed in January:
8.5mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Rosburg, WA
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are May and July (81%).
Average rainfall
Rosburg, WA
- Average rainfall in January:
6.26" - Average rainfall in February:
4.53" - Average rainfall in March:
4.25" - Average rainfall in April:
3.19" - Average rainfall in May:
2.09" - Average rainfall in June:
1.5"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.55" - Average rainfall in September:
1.89" - Average rainfall in October:
4.13" - Average rainfall in November:
5.24" - Average rainfall in December:
6.42"
The wettest month (with the highest rainfall) is December (6.42").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days
Rosburg, WA
- Average rainfall days in January:
20 days - Average rainfall days in February:
19.5 days - Average rainfall days in March:
21.4 days - Average rainfall days in April:
20.3 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
8.3 days - Average rainfall days in August:
7.8 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
16.8 days - Average rainfall days in November:
20.5 days - Average rainfall days in December:
21.9 days
The month with the highest number of rainy days is December (21.9 days).
The month with the least rainy days is August (7.8 days).
Average snowfall
Rosburg, WA
The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Rosburg, WA
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1.4 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rosburg, WA
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 1min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Rosburg, WA
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
7.2 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
8 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
18.8 days - Average sunshine days in August:
19.7 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
12.9 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
8.2 days
The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (7.2 days).
Average UV index
Rosburg, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rosburg, WA
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Rosburg, WA
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Rosburg, Washington, USA
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