Climate and monthly weather forecast
Greenwater, WA

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Weather in January

January, the same as December, is another cold winter month in Greenwater, Washington, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 42.1°F (5.6°C). An average high-temperature of a still cold 42.1°F (5.6°C) marks January, exhibiting a close resemblance to the conditions in December. Weather in January »

Weather in February

February, the last month of the winter in Greenwater, is also an icy month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 41.9°F (5.5°C). The shift into February reveals an average high-temperature of a still cold 41.9°F (5.5°C), closely mirroring January's climate. Weather in February »

Weather in March

March, the first month of the spring in Greenwater, is a frosty month, with an average temperature varying between 46.4°F (8°C) and 32.7°F (0.4°C). The advent of March sees the average high-temperature at a chilly 46.4°F (8°C), subtly shifted from February's 41.9°F (5.5°C). Weather in March »

Weather in April

April is a fresh spring month in Greenwater, Washington, with an average temperature fluctuating between 35.4°F (1.9°C) and 52°F (11.1°C). In April, the average high-temperature marginally rises from a frosty 46.4°F (8°C) in March to a fresh 52°F (11.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Greenwater, Washington, with an average temperature fluctuating between 60.4°F (15.8°C) and 40.6°F (4.8°C). May's onset witnesses a minor shift in the average high-temperature, moving from a fresh 52°F (11.1°C) in April to a refreshing 60.4°F (15.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a refreshing month in Greenwater, Washington, with an average temperature fluctuating between 43.3°F (6.3°C) and 65.8°F (18.8°C). In June, the average high-temperature marginally rises from a moderate 60.4°F (15.8°C) in May to an enjoyable 65.8°F (18.8°C). Weather in June »

Weather in July

July is a pleasant summer month in Greenwater, Washington, with an average temperature varying between 47.1°F (8.4°C) and 73°F (22.8°C). The commencement of July sees a minor shift in the average high-temperature, moving from a refreshing 65.8°F (18.8°C) in June to a pleasant 73°F (22.8°C). Weather in July »

Weather in August

The last month of the summer, August, is a moderately hot month in Greenwater, Washington, with an average temperature ranging between max 73.9°F (23.3°C) and min 48.9°F (9.4°C). In Greenwater, the peak temperatures are generally noted in August, averaging a high of 73.9°F (23.3°C) and a low of 48.9°F (9.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Greenwater, Washington, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 45.9°F (7.7°C). Greenwater, Washington, observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 73.9°F (23.3°C) to a comfortable 67.3°F (19.6°C). Weather in September »

Weather in October

October, the same as September, in Greenwater, Washington, is another mild autumn month, with an average temperature varying between 56.3°F (13.5°C) and 41.5°F (5.3°C). Stepping into October, Greenwater observes a temperature decline, with the average high falling from September's 67.3°F (19.6°C) to a still refreshing 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Greenwater, Washington, with an average temperature varying between 45.9°F (7.7°C) and 36°F (2.2°C). In Greenwater, the average high-temperature in November drops from a mild 56.3°F (13.5°C) in October to a chilly 45.9°F (7.7°C). Weather in November »

Weather in December

December, the first month of the winter in Greenwater, is also an icy month, with an average temperature varying between 39.9°F (4.4°C) and 30.2°F (-1°C). December tends to be the coldest month, with temperatures averaging a daily high of 39.9°F (4.4°C) and a low of 30.2°F (-1°C). Weather in December »
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the most humid months in Greenwater?

January and February, with an average relative humidity of 87%, are most humid months in Greenwater.

What is the rainiest month in Greenwater?

The month with the most rainfall is January, when the rain falls for 17.5 days and typically aggregates up to 5.71" (145mm) of precipitation.

How many days does it rain in Greenwater?

In Greenwater, Washington, during the entire year, the rain falls for 181.2 days and collects up to 38.82" (986mm) of precipitation.

When does it snow in Greenwater?

January through April, November and December are months with snowfall.

How much does it snow in Greenwater?

Throughout the year, in Greenwater, Washington, there are 20.8 snowfall days, and 14.29" (363mm) of snow is accumulated.

When does it snow the most in Greenwater?

The month with the most snowfall is February, when snow falls for 5.9 days and typically aggregates up to 4.76" (121mm) of snow.

When is Daylight Saving Time (DST) in Greenwater?

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 Greenwater?

May through October are months without snowfall in Greenwater.

When are the longest days in Greenwater?

With an average of 15h and 54min of daylight, June has the longest days of the year.

What is the least humid month in Greenwater?

With an average relative humidity of 70%, July is the least humid month.

What is the driest month in Greenwater?

The month with the least rainfall is July, when the rain falls for 7.5 days and typically collects 0.59" (15mm) of precipitation.

When is the highest UV index in Greenwater?

July is the month with the highest UV index in Greenwater, Washington, with an average maximum UV index of 5.

What is the hottest time of year in Greenwater?

August stands out as Greenwater's warmest month, with an average high-temperature of 73.9°F (23.3°C) and a low-temperature of 48.9°F (9.4°C).

What month has the most sunshine in Greenwater?

With an average of 10.7h of sunshine, August has the most sunshine of the year in Greenwater.

When is the lowest UV index in Greenwater?

November is the month with the lowest UV index in Greenwater, Washington, with an average maximum UV index of 1.

What month is the coldest in Greenwater?

The coldest period is December, when temperatures fluctuate between an average high of 39.9°F (4.4°C) and a low of 30.2°F (-1°C).

What is the month with the shortest days in Greenwater?

The month with the shortest days in Greenwater is December, with an average of 8h and 36min of daylight.

What is the month with the least sunshine in Greenwater?

The month with the least sunshine is December, with an average of 3.9h of sunshine.

Average temperature
Greenwater, WA

Average temperature - Greenwater, WA

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (39.9°F).

The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).

Average pressure
Greenwater, WA

Average pressure - Greenwater, WA

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).

Average wind speed
Greenwater, WA

Average wind speed - Greenwater, WA

The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity
Greenwater, WA

Average humidity - Greenwater, WA

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (70%).

Average rainfall
Greenwater, WA

Average rainfall - Greenwater, WA

The wettest month (with the highest rainfall) is January (5.71").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days
Greenwater, WA

Average rainfall days - Greenwater, WA

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (6.8 days).

Average snowfall
Greenwater, WA

Average snowfall - Greenwater, WA

The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Greenwater, WA

Average snowfall days - Greenwater, WA

The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August and October (0 days).

Average daylight / Average sunshine
Greenwater, WA

Average daylight / Average sunshine - Greenwater, WA

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 36min).

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

Average sunshine days
Greenwater, WA

Average sunshine days - Greenwater, WA

The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is February (8.8 days).

Average visibility
Greenwater, WA

Average visibility - Greenwater, WA

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

Greenwater, Washington, USA

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