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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 Greenbank, Washington, is another chilly winter month, with an average temperature varying between 45.1°F (7.3°C) and 38.7°F (3.7°C). January's climate shows a minor adjustment in average high-temperatures to a still frosty 45.1°F (7.3°C) from December's 43.5°F (6.4°C). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Greenbank, Washington, with an average temperature ranging between min 38.1°F (3.4°C) and max 44.8°F (7.1°C). A minimal variation is noted in Greenbank's average high-temperature at the onset of February, reaching a still frosty 44.8°F (7.1°C) from January's 45.1°F (7.3°C). Weather in February »
Weather in March
The first month of the spring, March, is still a chilly month in Greenbank, Washington, with an average temperature ranging between max 48.7°F (9.3°C) and min 40.5°F (4.7°C). The transition into March notes an average high-temperature of a still frosty 48.7°F (9.3°C), revealing a mild distinction from the 44.8°F (7.1°C) in February. Weather in March »
Weather in April
April is a cool spring month in Greenbank, Washington, with an average temperature ranging between max 53.1°F (11.7°C) and min 43.7°F (6.5°C). Greenbank experiences an average high-temperature of a fresh 53.1°F (11.7°C) with the onset of April, subtly varied from March's 48.7°F (9.3°C). Weather in April »
Weather in May
May, the last month of the spring in Greenbank, is a moderate month, with an average temperature fluctuating between 59.2°F (15.1°C) and 47.8°F (8.8°C). Greenbank perceives a slight temperature ascent during May, with average high-temperatures adjusting from a cool 53.1°F (11.7°C) in April to a refreshing 59.2°F (15.1°C). Weather in May »
Weather in June
June, the first month of the summer in Greenbank, is an enjoyable month, with an average temperature fluctuating between 51.8°F (11°C) and 62.4°F (16.9°C). Greenbank's average high-temperature in June is a comfortable 62.4°F (16.9°C), indicating a subtle variation from May. Weather in June »
Weather in July
July, like June, in Greenbank, Washington, is another enjoyable summer month, with an average temperature fluctuating between 67.1°F (19.5°C) and 54.9°F (12.7°C). In July, the average high-temperature registers at a still refreshing 67.1°F (19.5°C), nearly identical to June's 62.4°F (16.9°C). Weather in July »
Weather in August
August, the last month of the summer in Greenbank, is another comfortable month, with an average temperature ranging between max 67.3°F (19.6°C) and min 55.9°F (13.3°C). Greenbank's temperatures tend to reach their peak averages in August, with a high of 67.3°F (19.6°C) and a low of 55.9°F (13.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Greenbank, is also an enjoyable month, with an average temperature fluctuating between 53.2°F (11.8°C) and 63.3°F (17.4°C). As August transitions into September, the average high-temperature rests at a still comfortable 63.3°F (17.4°C), maintaining a close resemblance to the previous month. Weather in September »
Weather in October
October, the same as September, in Greenbank, Washington, is another refreshing autumn month, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 55.9°F (13.3°C). The average high-temperature shows a slight dip in October, from September's enjoyable 63.3°F (17.4°C) to a moderate 55.9°F (13.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Greenbank, Washington, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 48.6°F (9.2°C). The onset of November aligns with a soft reduction in the average high-temperature, gently falling from a moderate 55.9°F (13.3°C) in October to a chilly 48.6°F (9.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Greenbank, Washington, with an average temperature ranging between min 37.9°F (3.3°C) and max 43.5°F (6.4°C). December tends to be the coldest month, with temperatures averaging a daily high of 43.5°F (6.4°C) and a low of 37.9°F (3.3°C). Weather in December »
Updated: Jun 30, 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 is the most humid month?
The most humid month in Greenbank is January, with an average relative humidity of 82%.
How many days does it rain?
Throughout the year, there are 183.3 rainfall days, and 23.03" (585mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
In Greenbank, during the entire year, snow falls for 9.1 days and aggregates up to 5.63" (143mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.6h of sunshine.
When is 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 3.07" (78mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Greenbank, 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 Greenbank, snow does not fall in May through October.
When are the longest days?
With an average of 16h and 0min of daylight, June has the longest days of the year.
What is the least humid month?
The least humid month is July, with an average relative humidity of 76%.
What is the driest month in Greenbank?
The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.43" (11mm) of precipitation.
What are the months with the most sunshine?
July and August, with an average of 10.9h of sunshine, are months with the most sunshine.
When is the highest UV index in Greenbank?
The month with the highest UV index is July, with an average maximum UV index of 5.
What are the warmest months?
The warmest period is August, when temperatures fluctuate between an average high of 67.3°F (19.6°C) and a low of 55.9°F (13.3°C).
What is the wettest month?
November is the month with the most rainfall. Rain falls for 20.2 days and accumulates 3.19" (81mm) of precipitation.
What is the coldest month?
Temperature records mark December as the coldest month, with highs averaging 43.5°F (6.4°C) and lows at 37.9°F (3.3°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 24min of daylight.
Average temperature
Greenbank, WA
The warmest month (with the highest average high temperature) is August (67.3°F).
The month with the lowest average high temperature is December (43.5°F).
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).
Average pressure
Greenbank, WA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.05"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"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, August and September (30.01"Hg).
Average wind speed
Greenbank, WA
- Average wind speed in January:
7.8mph - Average wind speed in February:
7mph - Average wind speed in March:
7.2mph - Average wind speed in April:
6.3mph - Average wind speed in May:
4.8mph - Average wind speed in June:
4.7mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4mph - Average wind speed in September:
4.7mph - Average wind speed in October:
6.3mph - Average wind speed in November:
8mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is November (8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Greenbank, WA
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall
Greenbank, WA
- Average rainfall in January:
2.64" - Average rainfall in February:
2.48" - Average rainfall in March:
2.24" - Average rainfall in April:
1.93" - Average rainfall in May:
1.57" - Average rainfall in June:
1.1"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.63" - Average rainfall in September:
1.73" - Average rainfall in October:
2.44" - Average rainfall in November:
3.19" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is November (3.19").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Greenbank, WA
- Average rainfall days in January:
18.7 days - Average rainfall days in February:
17.7 days - Average rainfall days in March:
20.7 days - Average rainfall days in April:
18.1 days - Average rainfall days in May:
13 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
18.5 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.9 days).
Average snowfall
Greenbank, WA
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Greenbank, WA
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.2 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
Greenbank, WA
- Average daylight in January:
8h and 5min - 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:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 5min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Greenbank, WA
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
8 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
9.6 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
15.2 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
23 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
8.8 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is February (8 days).
Average UV index
Greenbank, 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
Greenbank, WA
The months with the most cloud cover are January, February and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Greenbank, WA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greenbank, Washington, USA
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