Climate and monthly weather forecast
South Prairie, WA

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Weather in January

January, the same as December, is an icy winter month in South Prairie, Washington, with an average temperature ranging between min 31.3°F (-0.4°C) and max 42.1°F (5.6°C). January ushers in an average high-temperature of a still cold 42.1°F (5.6°C), aligning closely with the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in South Prairie, Washington, with an average temperature varying between 42.1°F (5.6°C) and 30.6°F (-0.8°C). South Prairie's average high-temperature in February is a still cold 42.1°F (5.6°C), not differing from the temperature of January. Weather in February »

Weather in March

March, the first month of the spring in South Prairie, is a chilly month, with an average temperature varying between 32.7°F (0.4°C) and 46.6°F (8.1°C). March's beginning signals an average high-temperature of a chilly 46.6°F (8.1°C), barely different from February's 42.1°F (5.6°C). Weather in March »

Weather in April

April is a fresh spring month in South Prairie, Washington, with an average temperature varying between 51.8°F (11°C) and 35.2°F (1.8°C). April begins with an average high-temperature of a fresh 51.8°F (11°C), reflecting close similarity to the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in South Prairie, Washington, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 60.6°F (15.9°C). The commencement of May sees a minor shift in the average high-temperature, moving from a fresh 51.8°F (11°C) in April to a refreshing 60.6°F (15.9°C). Weather in May »

Weather in June

June, the first month of the summer in South Prairie, is an enjoyable month, with an average temperature fluctuating between 43.5°F (6.4°C) and 65.5°F (18.6°C). South Prairie experiences an average high-temperature of a comfortable 65.5°F (18.6°C) in June, marking an insignificant shift from 60.6°F (15.9°C) in May. Weather in June »

Weather in July

July in South Prairie, Washington, is a warm summer month, with an average temperature varying between 47.5°F (8.6°C) and 73.4°F (23°C). South Prairie's transition into July is noticed by a slight rise in the average high-temperature, advancing from a comfortable 65.5°F (18.6°C) in June to a moderately hot 73.4°F (23°C). Weather in July »

Weather in August

August, the last month of the summer in South Prairie, is also a moderately hot month, with an average temperature varying between 49.3°F (9.6°C) and 74.1°F (23.4°C). August, recording an average high temperature of 74.1°F (23.4°C) and a low temperature of 49.3°F (9.6°C), is South Prairie's warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in South Prairie, Washington, with an average temperature varying between 67.1°F (19.5°C) and 46°F (7.8°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 74.1°F (23.4°C) in August to a comfortable 67.1°F (19.5°C). Weather in September »

Weather in October

October, the same as September, in South Prairie, Washington, is another mild autumn month, with an average temperature varying between 41.4°F (5.2°C) and 56.3°F (13.5°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's enjoyable 67.1°F (19.5°C) to a mild 56.3°F (13.5°C). Weather in October »

Weather in November

November, the last month of the autumn in South Prairie, is another chilly month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 35.6°F (2°C). In the transition to November, South Prairie observes a drop in the average high-temperature, moving from a mild 56.3°F (13.5°C) in October to a chilly 46°F (7.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in South Prairie, Washington, with an average temperature varying between 29.8°F (-1.2°C) and 39.9°F (4.4°C). December, with average temperatures reaching a high of 39.9°F (4.4°C) and a low of 29.8°F (-1.2°C), is the coldest month. Weather in December »
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in South Prairie?

The months with the highest humidity are January and February, with an average relative humidity of 87%.

What is the rainiest month?

The wettest months are January and December, with an average 6.1" (155mm) of rainfall.

How many days does it rain?

In South Prairie, Washington, during the entire year, the rain falls for 189.1 days and collects up to 41.93" (1065mm) of precipitation.

When does it snow?

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

How much does it snow?

In South Prairie, during the entire year, snow falls for 22.3 days and aggregates up to 15.47" (393mm) of snow.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 6.3 days and accumulates 5.2" (132mm) 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 South Prairie, snow does not fall in May through October.

When are the longest days?

The month with the longest days is June, with an average of 15h and 54min of daylight.

What is the least humid month in South Prairie?

The least humid month is July, with an average relative humidity of 70%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 7.7 days and typically collects 0.63" (16mm) of precipitation.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 5.

What time of the year is the hottest?

South Prairie's temperatures tend to reach their peak averages in August, with a high of 74.1°F (23.4°C) and a low of 49.3°F (9.6°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.7h of sunshine.

When is the lowest UV index?

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

What part of the year is the coldest in South Prairie?

December is the month that records the lowest temperatures, with averages ranging from a high of 39.9°F (4.4°C) to a low of 29.8°F (-1.2°C).

What is the month with the shortest days?

With an average of 8h and 36min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4h of sunshine.

Average temperature
South Prairie, WA

Average temperature - South Prairie, WA

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (39.9°F).

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).

Average pressure
South Prairie, WA

Average pressure - South Prairie, 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
South Prairie, WA

Average wind speed - South Prairie, 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
South Prairie, WA

Average humidity - South Prairie, 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
South Prairie, WA

Average rainfall - South Prairie, WA

The wettest months (with the highest rainfall) are January and December (6.1").
The driest month (with the least rainfall) is July (0.63").

Average rainfall days
South Prairie, WA

Average rainfall days - South Prairie, WA

The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (7.6 days).

Average snowfall
South Prairie, WA

Average snowfall - South Prairie, WA

The month with the highest snowfall is February (5.2").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
South Prairie, WA

Average snowfall days - South Prairie, WA

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and October (0 days).

Average daylight / Average sunshine
South Prairie, WA

Average daylight / Average sunshine - South Prairie, 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: 4h and 0min).

Average sunshine days
South Prairie, WA

Average sunshine days - South Prairie, WA

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.8 days).

Average visibility
South Prairie, WA

Average visibility - South Prairie, WA

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

South Prairie, Washington, USA

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