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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 Rollingbay, Washington, is another chilly winter month, with an average temperature varying between 37°F (2.8°C) and 45.3°F (7.4°C). The onset of January notes an average high-temperature of a still chilly 45.3°F (7.4°C), subtly shifted from December's 43.5°F (6.4°C). Weather in January »
Weather in February
February, the last month of the winter in Rollingbay, is another chilly month, with an average temperature varying between 46.4°F (8°C) and 36.7°F (2.6°C). The advent of February brings an average high-temperature of a still chilly 46.4°F (8°C), exhibiting minor difference from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Rollingbay, Washington, with an average temperature ranging between min 38.8°F (3.8°C) and max 51.1°F (10.6°C). As February transitions into March, Rollingbay records an average high-temperature of a fresh 51.1°F (10.6°C), showing a gentle shift from the preceding month. Weather in March »
Weather in April
April is a refreshing spring month in Rollingbay, Washington, with an average temperature fluctuating between 41.5°F (5.3°C) and 56.5°F (13.6°C). Rollingbay's April weather indicates a minor increase in high-temperatures, edging from March's cool 51.1°F (10.6°C) to a moderate 56.5°F (13.6°C). Weather in April »
Weather in May
May, the last month of the spring in Rollingbay, is a comfortable month, with an average temperature fluctuating between 64°F (17.8°C) and 46.6°F (8.1°C). The shift into May brings a slight increase in the average high-temperature, moving from a mild 56.5°F (13.6°C) in April to an enjoyable 64°F (17.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Rollingbay, Washington, with an average temperature varying between 68.2°F (20.1°C) and 50°F (10°C). Rollingbay experiences an average high-temperature of a pleasant 68.2°F (20.1°C) in June, subtly different from May's 64°F (17.8°C). Weather in June »
Weather in July
July is a warm summer month in Rollingbay, Washington, with an average temperature ranging between max 75.2°F (24°C) and min 54°F (12.2°C). The arrival of July signals a slight increase in the average high-temperature, moving from an agreeable 68.2°F (20.1°C) in June to a warm 75.2°F (24°C). Weather in July »
Weather in August
August, the last month of the summer in Rollingbay, is also a moderately hot month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 55°F (12.8°C). Rollingbay's August weather, with an average high temperature of 75.4°F (24.1°C) and an average low temperature of 55°F (12.8°C), tends to be the warmest of the year. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Rollingbay, Washington, with an average temperature ranging between max 69.3°F (20.7°C) and min 52.2°F (11.2°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 75.4°F (24.1°C) in August to a pleasant 69.3°F (20.7°C). Weather in September »
Weather in October
October, the same as September, in Rollingbay, Washington, is another refreshing autumn month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 46.6°F (8.1°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's pleasant 69.3°F (20.7°C) to a moderate 58.5°F (14.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Rollingbay, is another chilly month, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 49.5°F (9.7°C). The decrease of average high-temperatures is mild in November, with a decline from a moderate 58.5°F (14.7°C) in October to a chilly 49.5°F (9.7°C). Weather in November »
Weather in December
December, the first month of the winter in Rollingbay, is also a frosty month, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 36.3°F (2.4°C). December, characterized by an average high temperature of 43.5°F (6.4°C) and a low temperature of 36.3°F (2.4°C), is generally the coldest month. Weather in December »
Updated: Jul 1, 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?
The months with the highest humidity are January and December, with an average relative humidity of 85%.
How many days does it rain in Rollingbay?
Throughout the year, there are 172.2 rainfall days, and 23.7" (602mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
How many days does it snow?
Throughout the year, there are 8.7 snowfall days, and 4.25" (108mm) of snow is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 3.1 days and typically aggregates up to 2.32" (59mm) of snow.
When is Daylight Saving Time (DST)?
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 Rollingbay, snow does not fall in April through October.
When are the longest days?
With an average of 15h and 54min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What are the least humid months?
July and August, with an average relative humidity of 71%, are the least humid months.
What is the driest month?
July is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.35" (9mm) of precipitation.
What is the hottest time of year?
During the warmest month in Rollingbay, August, temperatures average a high of 75.4°F (24.1°C) and a low of 55°F (12.8°C).
What month has the most sunshine?
With an average of 10.6h of sunshine, August has the most sunshine of the year in Rollingbay, Washington.
What part of the year is the coldest?
The month of December, characterized by an average high of 43.5°F (6.4°C) and a low of 36.3°F (2.4°C), is recognized as the coldest.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.58" (91mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 30min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 4.3h of sunshine.
Average temperature
Rollingbay, WA
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (43.5°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (36.3°F).
Average pressure
Rollingbay, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"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 (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed
Rollingbay, WA
- Average wind speed in January:
5.7mph - Average wind speed in February:
5.6mph - Average wind speed in March:
6.1mph - Average wind speed in April:
5.4mph - Average wind speed in May:
4.4mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.7mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5mph - Average wind speed in November:
5.9mph - Average wind speed in December:
5.4mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest months (with the lowest average wind speed) are July and August (3.7mph).
Average humidity
Rollingbay, WA
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall
Rollingbay, WA
- Average rainfall in January:
3.54" - Average rainfall in February:
2.4" - Average rainfall in March:
2.44" - Average rainfall in April:
1.81" - Average rainfall in May:
1.46" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.55" - Average rainfall in September:
1.14" - Average rainfall in October:
2.32" - Average rainfall in November:
3.11" - Average rainfall in December:
3.58"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Rollingbay, WA
- Average rainfall days in January:
17 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
19.9 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
6.8 days - Average rainfall days in August:
5.9 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
19.3 days - Average rainfall days in December:
17.5 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).
Average snowfall
Rollingbay, WA
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Rollingbay, WA
- Average snowfall days in January:
2 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.1 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:
0.6 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rollingbay, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - 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 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
4h and 4min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days
Rollingbay, WA
- Average sunshine days in January:
10.9 days - Average sunshine days in February:
9.9 days - Average sunshine days in March:
9.5 days - Average sunshine days in April:
10 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
22.6 days - Average sunshine days in August:
22.9 days - Average sunshine days in September:
17 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
11.2 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is November (9.2 days).
Average UV index
Rollingbay, WA
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rollingbay, WA
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Rollingbay, WA
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).
Rollingbay, Washington, USA
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