Climate and monthly weather forecast
Belfair, WA

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Weather in January

January is a frosty winter month in Belfair, Washington, with an average temperature fluctuating between 44.2°F (6.8°C) and 34.7°F (1.5°C). With January's arrival, Belfair notes an average high-temperature of a chilly 44.2°F (6.8°C), closely following the trend of the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Belfair, is also a frosty month, with an average temperature ranging between min 34°F (1.1°C) and max 45.3°F (7.4°C). The onset of February marks an average high-temperature of a still frosty 45.3°F (7.4°C), hardly differing from January's 44.2°F (6.8°C). Weather in February »

Weather in March

March, the first month of the spring in Belfair, is a fresh month, with an average temperature ranging between min 36.5°F (2.5°C) and max 50.2°F (10.1°C). Belfair commences March with an average high-temperature of a fresh 50.2°F (10.1°C), maintaining a close resemblance to the previous month. Weather in March »

Weather in April

April is a mild spring month in Belfair, Washington, with an average temperature ranging between min 39°F (3.9°C) and max 55.9°F (13.3°C). In Belfair, stepping into April brings a gentle temperature nudge, moving slightly up from March's cool 50.2°F (10.1°C) to a refreshing 55.9°F (13.3°C). Weather in April »

Weather in May

May, the last month of the spring in Belfair, is a comfortable month, with an average temperature fluctuating between 64.9°F (18.3°C) and 43.7°F (6.5°C). May sees a temperature increase, moving from a refreshing 55.9°F (13.3°C) in April to an enjoyable 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer in Belfair, is an agreeable month, with an average temperature fluctuating between 69.4°F (20.8°C) and 47.5°F (8.6°C). May's transformation into June witnesses an average high-temperature of a pleasant 69.4°F (20.8°C), noting a minor change from the preceding month. Weather in June »

Weather in July

July is a moderately hot summer month in Belfair, Washington, with an average temperature ranging between min 51.6°F (10.9°C) and max 77.2°F (25.1°C). As June gives way to July, the average high-temperature displays a slight ascent, adjusting from an agreeable 69.4°F (20.8°C) to a warm 77.2°F (25.1°C). Weather in July »

Weather in August

August, the last month of the summer in Belfair, is also a moderately hot month, with an average temperature varying between 53.2°F (11.8°C) and 77.4°F (25.2°C). August is the month when Belfair's temperatures reach their peak, with averages of 77.4°F (25.2°C) and lows of 53.2°F (11.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Belfair, is still a pleasant month, with an average temperature varying between 49.8°F (9.9°C) and 70.3°F (21.3°C). With the onset of September, Belfair's climate undergoes a slight change as the average high-temperature moves from a warm 77.4°F (25.2°C) in August to a pleasant 70.3°F (21.3°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Belfair, Washington, with an average temperature fluctuating between 58.5°F (14.7°C) and 43.7°F (6.5°C). Onset of October witnesses a reduction in the average high-temperature, falling from an agreeable 70.3°F (21.3°C) in September to a refreshing 58.5°F (14.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Belfair, Washington, with an average temperature varying between 38.5°F (3.6°C) and 48°F (8.9°C). The shift to November brings a decrease in the average high-temperature, falling from a moderate 58.5°F (14.7°C) in October to a frosty 48°F (8.9°C). Weather in November »

Weather in December

December, the first month of the winter in Belfair, is also an icy month, with an average temperature varying between 33.8°F (1°C) and 42.3°F (5.7°C). December is the month when Belfair sees the lowest average temperatures, with a high of 42.3°F (5.7°C) and a low of 33.8°F (1°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain in Belfair?

In Belfair, Washington, during the entire year, the rain falls for 175.2 days and collects up to 30.43" (773mm) of precipitation.

When does it snow in Belfair?

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

How much does it snow in Belfair?

Throughout the year, in Belfair, Washington, there are 12.1 snowfall days, and 7.05" (179mm) of snow is accumulated.

What is the month with the lowest UV index in Belfair?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Belfair.

What is the snowiest month in Belfair?

February is the month with the most snowfall in Belfair. Snow falls for 3.8 days and accumulates 2.91" (74mm) of snow.

When is Daylight Saving Time (DST) in Belfair?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Belfair, Washington, 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 Belfair?

May through October are months without snowfall in Belfair.

When are the longest days in Belfair?

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

What is the least humid month in Belfair?

The least humid month is July, with an average relative humidity of 69%.

What is the driest month in Belfair?

The month with the least rainfall in Belfair is July, when the rain falls for 7.4 days and typically collects 0.43" (11mm) of precipitation.

What is the month with the highest UV index in Belfair?

July is the month with the highest UV index in Belfair, with an average maximum UV index of 6.

What time of the year is the hottest in Belfair?

In Belfair, Washington, the peak temperatures are generally noted in August, averaging a high of 77.4°F (25.2°C) and a low of 53.2°F (11.8°C).

What month has the most sunshine in Belfair?

August has the most sunshine of the year in Belfair, with an average of 10.6h of sunshine.

What are the coldest months in Belfair?

Temperature readings reach their annual highs in December, averaging 42.3°F (5.7°C) and a minimum average of 33.8°F (1°C).

What is the most humid month in Belfair?

The most humid month in Belfair is December, with an average relative humidity of 88%.

What is the rainiest month in Belfair?

The month with the most rainfall in Belfair, Washington, is December, when the rain falls for 18.3 days and typically aggregates up to 5" (127mm) of precipitation.

What is the month with the shortest days in Belfair?

December has the shortest days of the year in Belfair, with an average of 8h and 30min of daylight.

What is the month with the least sunshine in Belfair?

With an average of 3.8h of sunshine, December has the least sunshine of the year.

Average temperature
Belfair, WA

Average temperature - Belfair, WA

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.3°F).

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).

Average pressure
Belfair, WA

Average pressure - Belfair, WA

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

Average wind speed
Belfair, WA

Average wind speed - Belfair, WA

The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

Average humidity
Belfair, WA

Average humidity - Belfair, WA

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is July (69%).

Average rainfall
Belfair, WA

Average rainfall - Belfair, WA

The wettest month (with the highest rainfall) is December (5").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days
Belfair, WA

Average rainfall days - Belfair, WA

The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (6 days).

Average snowfall
Belfair, WA

Average snowfall - Belfair, WA

The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Belfair, WA

Average snowfall days - Belfair, WA

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Belfair, WA

Average daylight / Average sunshine - Belfair, 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 30min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days
Belfair, WA

Average sunshine days - Belfair, WA

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.7 days).

Average UV index
Belfair, WA

Average UV index - Belfair, WA

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Belfair, WA

Average visibility - Belfair, WA

The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, November and December (4mi).

Belfair, Washington, USA

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