Climate and monthly weather forecast
Monroe, WA

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The red Washington Water Powerhouse, next to a large bridge over the Spokane River and scenic waterfalls in Monroe, Washington
The red Washington Water Powerhouse, next to a large bridge over the Spokane River and scenic waterfalls in Monroe, Washington

Weather in January

January, the same as December, is an icy winter month in Monroe, Washington, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 42.6°F (5.9°C). As December transitions into January, Monroe records an average high-temperature of a still icy 42.6°F (5.9°C), showing a gentle shift from the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Monroe, Washington, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.2°F (0.1°C). The arrival of February brings an average high-temperature of a chilly 44.1°F (6.7°C), nearly identical to January's 42.6°F (5.9°C). Weather in February »

Weather in March

March, the first month of the spring in Monroe, is still a chilly month, with an average temperature ranging between max 48.7°F (9.3°C) and min 34.3°F (1.3°C). Monroe records an average high-temperature of a still frosty 48.7°F (9.3°C) in March, maintaining a close correlation with February's 44.1°F (6.7°C). Weather in March »

Weather in April

April in Monroe, Washington, is a fresh spring month, with an average temperature ranging between min 37°F (2.8°C) and max 54.3°F (12.4°C). In Monroe, stepping into April brings a gentle temperature nudge, moving slightly up from March's frosty 48.7°F (9.3°C) to a fresh 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Monroe, Washington, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 63.3°F (17.4°C). The shift into May brings a slight increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 63.3°F (17.4°C). Weather in May »

Weather in June

June, the first month of the summer in Monroe, is still a refreshing month, with an average temperature fluctuating between 67.8°F (19.9°C) and 44.6°F (7°C). The transition from May to June brings an average high-temperature of a still comfortable 67.8°F (19.9°C), barely different from May's 63.3°F (17.4°C). Weather in June »

Weather in July

July in Monroe, Washington, is a warm summer month, with an average temperature varying between 74.8°F (23.8°C) and 48.6°F (9.2°C). Monroe's weather shows a minor temperature rise with the arrival of July, moving from an enjoyable 67.8°F (19.9°C) in June to a warm 74.8°F (23.8°C). Weather in July »

Weather in August

August, the last month of the summer in Monroe, is another warm month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 49.8°F (9.9°C). Monroe's August weather reaches an average high of 75.6°F (24.2°C) and an average low of 49.8°F (9.9°C), making it the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Monroe, is still a pleasant month, with an average temperature fluctuating between 68.7°F (20.4°C) and 47.3°F (8.5°C). Monroe's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 75.6°F (24.2°C) in August to an agreeable 68.7°F (20.4°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Monroe, Washington, with an average temperature fluctuating between 42.3°F (5.7°C) and 57.2°F (14°C). The average high-temperature drops in October, from September's pleasant 68.7°F (20.4°C) to a refreshing 57.2°F (14°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Monroe, Washington, with an average temperature varying between 47.1°F (8.4°C) and 36.9°F (2.7°C). Monroe's November weather comes with a decrease in average high-temperatures, moving from a refreshing 57.2°F (14°C) in October to a frosty 47.1°F (8.4°C). Weather in November »

Weather in December

December, the first month of the winter in Monroe, is also a wintry month, with an average temperature fluctuating between 41.2°F (5.1°C) and 31.8°F (-0.1°C). In Monroe, Washington, the month of December is known for its lowest average temperatures, reaching a high of 41.2°F (5.1°C) and a low of 31.8°F (-0.1°C). Weather in December »
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Frequently asked questions

What is the most humid month in Monroe?

The months with the highest humidity in Monroe are January, February and December, with an average relative humidity of 86%.

How much does it rain in Monroe?

Throughout the year, in Monroe, there are 115.8 rainfall days, and 11.81" (300mm) of precipitation is accumulated.

When does it snow in Monroe?

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

How much does it snow in Monroe?

In Monroe, Washington, during the entire year, snow falls for 7 days and aggregates up to 2.64" (67mm) of snow.

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

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

When does it snow the most in Monroe?

The month with the most snowfall is February, when snow falls for 2.8 days and typically aggregates up to 1.02" (26mm) of snow.

When is Daylight Saving Time (DST) in Monroe?

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

May through October are months without snowfall in Monroe, Washington.

When are the longest days in Monroe?

June has the longest days of the year in Monroe, Washington, with an average of 16h and 0min of daylight.

What is the least humid month in Monroe?

The least humid month in Monroe is July, with an average relative humidity of 71%.

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

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

What is the warmest month in Monroe?

In Monroe, Washington, the average highest temperatures are observed in August, with a high of 75.6°F (24.2°C) and a low of 49.8°F (9.9°C).

What is the driest month in Monroe?

August is the month with the least rainfall in Monroe, Washington. Rain falls for 4 days and accumulates 0.2" (5mm) of precipitation.

What month has the most sunshine in Monroe?

With an average of 10.6h of sunshine, August has the most sunshine of the year in Monroe.

What time of the year is the coldest in Monroe?

December is the coldest month in Monroe, with the temperature often reaching an average high of 41.2°F (5.1°C) and an average low of 31.8°F (-0.1°C).

What is the wettest month in Monroe?

The month with the most rainfall in Monroe, Washington, is December, when the rain falls for 12.4 days and typically aggregates up to 1.85" (47mm) of precipitation.

What is the month with the shortest days in Monroe?

With an average of 8h and 30min of daylight, December has the shortest days of the year in Monroe, Washington.

What is the month with the least sunshine in Monroe?

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

Average temperature
Monroe, WA

Average temperature - Monroe, WA

The warmest month (with the highest average high temperature) is August (75.6°F).
The month with the lowest average high temperature is December (41.2°F).

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).

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Average pressure
Monroe, WA

Average pressure - Monroe, WA

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed
Monroe, WA

Average wind speed - Monroe, WA

The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

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Average humidity
Monroe, WA

Average humidity - Monroe, WA

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).

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Average rainfall
Monroe, WA

Average rainfall - Monroe, WA

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days
Monroe, WA

Average rainfall days - Monroe, WA

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (4 days).

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Average snowfall
Monroe, WA

Average snowfall - Monroe, WA

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Monroe, WA

Average snowfall days - Monroe, WA

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Monroe, WA

Average daylight / Average sunshine - Monroe, WA

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 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).

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Average sunshine days
Monroe, WA

Average sunshine days - Monroe, WA

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (15 days).

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Average visibility
Monroe, WA

Average visibility - Monroe, WA

The month with the highest visibility is July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Monroe, Washington, USA

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