Climate and monthly weather forecast
West Pasco, WA

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Weather in January

January, like December, in West Pasco, Washington, is another cold winter month, with an average temperature fluctuating between 39°F (3.9°C) and 28.8°F (-1.8°C). With January's arrival, West Pasco's weather records an average high-temperature of a still wintry 39°F (3.9°C), marking little difference from December's 38.3°F (3.5°C). Weather in January »

Weather in February

February, the last month of the winter in West Pasco, is a chilly month, with an average temperature ranging between min 32.5°F (0.3°C) and max 45.1°F (7.3°C). The transition from January to February brings a subtle temperature rise, with average high-temperatures increasing from a cold 39°F (3.9°C) to a chilly 45.1°F (7.3°C). Weather in February »

Weather in March

March, the first month of the spring in West Pasco, is a cool month, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 54.1°F (12.3°C). A rise in the average high-temperature is observed during March, moving from a frosty 45.1°F (7.3°C) in February to a fresh 54.1°F (12.3°C). Weather in March »

Weather in April

April in West Pasco, Washington, is an enjoyable spring month, with an average temperature ranging between max 63.1°F (17.3°C) and min 43.3°F (6.3°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a cool 54.1°F (12.3°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in West Pasco, Washington, with an average temperature fluctuating between 73°F (22.8°C) and 50.5°F (10.3°C). May brings a rise in the average high-temperature, transitioning from April's enjoyable 63.1°F (17.3°C) to an agreeable 73°F (22.8°C). Weather in May »

Weather in June

June, the first month of the summer in West Pasco, is a warm month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 80.1°F (26.7°C). The onset of June marks a slight increase in the average high-temperature, moving from a pleasant 73°F (22.8°C) in May to a warm 80.1°F (26.7°C). Weather in June »

Weather in July

July is a tropical summer month in West Pasco, Washington, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 90.1°F (32.3°C). With average high and low temperatures of 90.1°F (32.3°C) and 62.6°F (17°C) respectively, July is West Pasco's warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another hot month in West Pasco, Washington, with an average temperature ranging between min 64°F (17.8°C) and max 89.2°F (31.8°C). The arrival of August marks a slight shift to an average high-temperature of a still tropical 89.2°F (31.8°C) from July's 90.1°F (32.3°C). Weather in August »

Weather in September

September, the first month of the autumn in West Pasco, is also a moderately hot month, with an average temperature fluctuating between 77.9°F (25.5°C) and 57°F (13.9°C). With September's arrival, West Pasco's weather changes as the average high-temperature falls from a tropical 89.2°F (31.8°C) in August to a warm 77.9°F (25.5°C). Weather in September »

Weather in October

October, like September, in West Pasco, Washington, is another enjoyable autumn month, with an average temperature varying between 46.8°F (8.2°C) and 62.6°F (17°C). A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from a moderately hot 77.9°F (25.5°C) in September to a comfortable 62.6°F (17°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in West Pasco, Washington, with an average temperature ranging between min 36.7°F (2.6°C) and max 48.9°F (9.4°C). In November, the average high-temperature decreases from a comfortable 62.6°F (17°C) in October to a frosty 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in West Pasco, is also a wintry month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 38.3°F (3.5°C). West Pasco notes the coldest temperatures in December, with a high average of 38.3°F (3.5°C) and a low of 27.9°F (-2.3°C). Weather in December »
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Frequently asked questions

What is the most humid month in West Pasco?

The most humid month in West Pasco, Washington, is January, with an average relative humidity of 80%.

How much does it rain in West Pasco?

In West Pasco, during the entire year, the rain falls for 102.8 days and collects up to 7.32" (186mm) of precipitation.

When does it snow in West Pasco?

January through March, November and December are months with snowfall in West Pasco, Washington.

How many days does it snow in West Pasco?

Throughout the year, there are 9.7 snowfall days, and 5.2" (132mm) of snow is accumulated.

What is the month with the least sunshine in West Pasco?

With an average of 5.4h of sunshine, January has the least sunshine of the year in West Pasco.

What is the month with the lowest UV index in West Pasco?

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

What is the snowiest month in West Pasco?

The month with the most snowfall in West Pasco is February, when snow falls for 2.7 days and typically aggregates up to 2.2" (56mm) of snow.

What is the wettest month in West Pasco?

The months with the most rainfall in West Pasco are March and December, with an average 0.94" (24mm) of precipitation.

When is Daylight Saving Time (DST) in West Pasco?

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

April through October are months without snowfall.

When are the longest days in West Pasco?

The month with the longest days is June, with an average of 15h and 42min of daylight.

What month is the hottest in West Pasco?

West Pasco registers the average highest temperatures during July, with peaks of 90.1°F (32.3°C) and lows of 62.6°F (17°C).

What is the least humid month in West Pasco?

July is the least humid month in West Pasco, Washington, with an average relative humidity of 35%.

What is the driest month in West Pasco?

The month with the least rainfall in West Pasco, Washington, is July, when the rain falls for 3.5 days and typically collects 0.2" (5mm) of precipitation.

What month has the most sunshine in West Pasco?

The month with the most sunshine in West Pasco is July, with an average of 12.1h of sunshine.

When is the highest UV index in West Pasco?

The month with the highest UV index in West Pasco, Washington, is July, with an average maximum UV index of 7.

What is the coldest month in West Pasco?

West Pasco experiences its average lowest temperatures in December, reaching a peak of 38.3°F (3.5°C) and a minimum of 27.9°F (-2.3°C).

What is the month with the shortest days in West Pasco?

With an average of 8h and 42min of daylight, December has the shortest days of the year.

Average temperature
West Pasco, WA

Average temperature - West Pasco, WA

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

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Average pressure
West Pasco, WA

Average pressure - West Pasco, WA

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
West Pasco, WA

Average wind speed - West Pasco, WA

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average rainfall
West Pasco, WA

Average rainfall - West Pasco, WA

The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days
West Pasco, WA

Average rainfall days - West Pasco, WA

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).

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Average snowfall
West Pasco, WA

Average snowfall - West Pasco, WA

The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
West Pasco, WA

Average snowfall days - West Pasco, WA

The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
West Pasco, WA

Average daylight / Average sunshine - West Pasco, WA

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days
West Pasco, WA

Average sunshine days - West Pasco, WA

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).

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Average UV index
West Pasco, WA

Average UV index - West Pasco, WA

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
West Pasco, WA

Average visibility - West Pasco, WA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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West Pasco, Washington, USA

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