Climate and monthly weather forecast
Post Falls, ID

Corbin Park on the banks of the Spokane River flowing downstream in Post Falls, Idaho, USA
Corbin Park on the banks of the Spokane River flowing downstream in Post Falls, Idaho, USA

Weather in January

January is a wintry winter month in Post Falls, Idaho, with an average temperature fluctuating between 32.7°F (0.4°C) and 21.6°F (-5.8°C). In January, the average high-temperature is almost the same as in December - a wintry 32.7°F (0.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Post Falls, Idaho, with an average temperature ranging between max 35.2°F (1.8°C) and min 22.6°F (-5.2°C). In Post Falls, the average high-temperature in February is practically the same as in January - a still cold 35.2°F (1.8°C). Weather in February »

Weather in March

March, the first month of the spring in Post Falls, is a frosty month, with an average temperature fluctuating between 43.2°F (6.2°C) and 28.2°F (-2.1°C). In March, the average high-temperature slightly increases from a wintry 35.2°F (1.8°C) in February to a chilly 43.2°F (6.2°C). Weather in March »

Weather in April

April in Post Falls, Idaho, is a cool spring month, with an average temperature ranging between max 52.5°F (11.4°C) and min 32.9°F (0.5°C). In Post Falls, the average high-temperature in April increases from a chilly 43.2°F (6.2°C) in March to a fresh 52.5°F (11.4°C). Weather in April »

Weather in May

May, the last month of the spring in Post Falls, is an enjoyable month, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 39.6°F (4.2°C). In Post Falls, the average high-temperature in May increases from a fresh 52.5°F (11.4°C) in April to a comfortable 64.8°F (18.2°C). Weather in May »

Weather in June

June, the first month of the summer in Post Falls, is an agreeable month, with an average temperature varying between 70.2°F (21.2°C) and 44.2°F (6.8°C). In June, the average high-temperature slightly increases from an enjoyable 64.8°F (18.2°C) in May to an agreeable 70.2°F (21.2°C). Weather in June »

Weather in July

July is a moderately hot summer month in Post Falls, Idaho, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 81.9°F (27.7°C). In July, the average high-temperature rises from an agreeable 70.2°F (21.2°C) in June to a moderately hot 81.9°F (27.7°C). Weather in July »

Weather in August

August, the last month of the summer in Post Falls, is another warm month, with an average temperature varying between 82°F (27.8°C) and 51.8°F (11°C). With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 51.8°F (11°C), August is the warmest month. In August, the average heat index is appraised at 82.4°F (28°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Post Falls, Idaho, with an average temperature ranging between max 71.4°F (21.9°C) and min 45°F (7.2°C). In Post Falls, the average high-temperature in September decreases from a moderately hot 82°F (27.8°C) in August to an agreeable 71.4°F (21.9°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Post Falls, Idaho, with an average temperature fluctuating between 54.9°F (12.7°C) and 36.5°F (2.5°C). In Post Falls, Idaho, the average high-temperature in October significantly decreases from an agreeable 71.4°F (21.9°C) in September to a fresh 54.9°F (12.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Post Falls, Idaho, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 40.5°F (4.7°C). In November, the average high-temperature drops from a fresh 54.9°F (12.7°C) in October to a cold 40.5°F (4.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Post Falls, Idaho, with an average temperature ranging between max 31.3°F (-0.4°C) and min 21.2°F (-6°C). December is the coldest month, with an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 21.2°F (-6°C). Weather in December »
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FAQ

What is the most humid month in Post Falls?

The most humid month in Post Falls, Idaho, is January, with an average relative humidity of 93%.

What is the wettest month in Post Falls?

The month with the most rainfall in Post Falls, Idaho, is January, when the rain falls for 11.5 days and typically aggregates up to 3.27" (83mm) of precipitation.

How much does it rain in Post Falls?

Throughout the year, there are 141.2 rainfall days, and 22.6" (574mm) of precipitation is accumulated.

When does it snow in Post Falls?

Months with snowfall are January through May, September through December.

What is the snowiest month in Post Falls?

The month with the most snowfall in Post Falls, Idaho, is January, when snow falls for 16.4 days and typically aggregates up to 16.57" (421mm) of snow.

How many days does it snow in Post Falls?

Throughout the year, there are 71.8 snowfall days, and 56.54" (1436mm) of snow is accumulated.

When is the lowest UV index in Post Falls?

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Post Falls, Idaho.

When is Daylight Saving Time (DST) in Post Falls?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Post Falls, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Post Falls?

June through August are months without snowfall in Post Falls, Idaho.

When are the longest days in Post Falls?

With an average of 15h and 56min of daylight, June has the longest days of the year in Post Falls.

What is the driest month in Post Falls?

July and August are months with the least rain in Post Falls, Idaho, when the rain falls for 5.8 days and typically aggregates up to 0.43" (11mm) of rain.

When is the highest UV index in Post Falls?

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

What is the warmest month in Post Falls?

August is the warmest month in Post Falls, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 51.8°F (11°C).

What is the least humid month in Post Falls?

August is the least humid month in Post Falls, with an average relative humidity of 48%.

What month has the most sunshine in Post Falls?

With an average of 11.9h of sunshine, August has the most sunshine of the year.

What is the coldest month in Post Falls?

With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 21.2°F (-6°C), December is the coldest month in Post Falls.

What is the month with the shortest days in Post Falls?

The month with the shortest days in Post Falls is December, with an average of 8h and 29min of daylight.

What is the month with the least sunshine in Post Falls?

With an average of 3.4h of sunshine, December has the least sunshine of the year in Post Falls.

Average temperature
Post Falls, ID

Average temperature - Post Falls, ID

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

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Average pressure
Post Falls, ID

Average pressure - Post Falls, ID

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed
Post Falls, ID

Average wind speed - Post Falls, ID

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).

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Average rainfall
Post Falls, ID

Average rainfall - Post Falls, ID

The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").

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Average rainfall days
Post Falls, ID

Average rainfall days - Post Falls, ID

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).

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Average snowfall
Post Falls, ID

Average snowfall - Post Falls, ID

The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Post Falls, ID

Average snowfall days - Post Falls, ID

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Post Falls, ID

Average daylight / Average sunshine - Post Falls, ID

The month with the longest days is June (Average daylight: 15h and 56min).
The month with the shortest days is December (Average daylight: 8h and 29min).

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days
Post Falls, ID

Average sunshine days - Post Falls, ID

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).

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Average visibility
Post Falls, ID

Average visibility - Post Falls, ID

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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