Pasco
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Pasco, WA

A long shot at the iconic Pasco Bridge across the glassy calm waters near Pasco, Washington, the pink sunrise sky in a great mirror image in the water
A long shot at the iconic Pasco Bridge across the glassy calm waters near Pasco, Washington, the pink sunrise sky in a great mirror image in the water
January, like December, in Pasco, Washington, is a wintry winter month, with average temperature ranging between max 40.5°F (4.7°C) and min 28°F (-2.2°C). January is the coldest month, with an average high-temperature of 40.5°F (4.7°C) and an average low-temperature of 28°F (-2.2°C). Weather in January »
The last month of the winter, February, is a frosty month in Pasco, Washington, with average temperature varying between 47.8°F (8.8°C) and 31.3°F (-0.4°C). In February, the average high-temperature marginally rises, from a cold 40.5°F (4.7°C) in January, to a frosty 47.8°F (8.8°C). Weather in February »

The first month of the spring, March, is a moderate month in Pasco, Washington, with average temperature fluctuating between 57.9°F (14.4°C) and 36.3°F (2.4°C). In Pasco, the average high-temperature in March increases, from a chilly 47.8°F (8.8°C) in February, to a mild 57.9°F (14.4°C). Weather in March »

April in Pasco, Washington, is an enjoyable spring month, with average temperature ranging between min 42.3°F (5.7°C) and max 66.2°F (19°C). In April, the average high-temperature marginally rises, from a moderate 57.9°F (14.4°C) in March, to an enjoyable 66.2°F (19°C). Weather in April »

May, the last month of the spring, in Pasco, is a moderately hot month, with average temperature ranging between min 49.3°F (9.6°C) and max 74.1°F (23.4°C). In May, the average high-temperature slightly increases, from a comfortable 66.2°F (19°C) in April, to a warm 74.1°F (23.4°C). Weather in May »

The first month of the summer, June, is also a moderately hot month in Pasco, Washington, with average temperature fluctuating between 55.8°F (13.2°C) and 81.7°F (27.6°C). In June, the average high-temperature slightly increases, from a moderately hot 74.1°F (23.4°C) in May, to a still warm 81.7°F (27.6°C). Weather in June »

July in Pasco, Washington, is a hot summer month, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 89.2°F (31.8°C). With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 61°F (16.1°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Pasco, is also a hot month, with average temperature ranging between max 88.9°F (31.6°C) and min 60.4°F (15.8°C). In August, the average high-temperature is relatively the same as in July - a still hot 88.9°F (31.6°C). Weather in August »

September, the first month of the autumn, in Pasco, is also a moderately hot month, with average temperature ranging between min 51.8°F (11°C) and max 79.5°F (26.4°C). In Pasco, the average high-temperature in September drops, from a tropical 88.9°F (31.6°C) in August, to a warm 79.5°F (26.4°C). Weather in September »

October, like September, in Pasco, Washington, is another enjoyable autumn month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 41.9°F (5.5°C). In October, the average high-temperature decreases, from a moderately hot 79.5°F (26.4°C) in September, to an enjoyable 66.4°F (19.1°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Pasco, Washington, with average temperature fluctuating between 50.4°F (10.2°C) and 35.8°F (2.1°C). In Pasco, the average high-temperature declines considerably, from an enjoyable 66.4°F (19.1°C) in October, to a fresh 50.4°F (10.2°C). Weather in November »

December, the first month of the winter, in Pasco, is still a cold month, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 29.3°F (-1.5°C). In Pasco, the average high-temperature drops, from a cool 50.4°F (10.2°C) in November, to a wintry 41.2°F (5.1°C). Weather in December »

What is the coldest month in Pasco?

With an average high-temperature of 40.5°F (4.7°C) and an average low-temperature of 28°F (-2.2°C), January is the coldest month.

How much does it rain in Pasco?

During the entire year, Pasco aggregates up to 7.8" (197.1mm) of precipitation.

When are the longest days in Pasco?

The month with the longest days in Pasco is June, with an average of 15.7h of daylight.

What is the warmest month in Pasco?

With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 61°F (16.1°C), July is the warmest month.

What is the driest month in Pasco?

The month with the least rainfall in Pasco, Washington, is August when 0.2" (4.6mm) of precipitation is typically aggregated.

What is the wettest month in Pasco?

The month with the most rainfall in Pasco is December when 1.1" (28.7mm) of precipitation is typically aggregated.

What is the month with the shortest days in Pasco?

With an average of 8.7h of daylight, December has the shortest days of the year in Pasco.
Average rainfall - Pasco, WA

Wettest months (with the highest rainfall) are January and December (1.1").
Driest months (with the lowest rainfall) are July and August (0.2").

Average daylight - Pasco, WA

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).