Longview (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Longview.
Climate overview of Longview
The climate in Longview, Washington State, United States of America, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in August to 7°C (45°F) in December.
Rain/snowfall is high, totalling around 1172 mm (46 in) per year. December is the wettest month and July the driest. The city also experiences a distinct dry season from July to August, with warm summers and cold winters. The most sunshine falls in July, with an average of 11.1 hours of daily sunshine.
Longview Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Longview - and find the best time to visit.
Monthly Temperature in Longview
In Longview, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in August, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like December.
At night, you can expect temperatures ranging from 13°C (55°F) in August to around 2°C (36°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Longview
Longview experiences significant rain/snowfall throughout the year, averaging 1172 mm (46 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives heavy rainfall, averaging 183 mm (7.2 in) of precipitation, recorded across 24 rainy days. In contrast, the driest month July brings less rainfall, with 13 mm (0.5 in) over 4 rainy days. For more details, please visit our Longview Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Longview
Seasonal changes in sunshine hours are quite dramatic in Longview. While July receives considerable daily sunshine with up to 11.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Longview by Month
The relative humidity is high throughout the year in Longview.
The city experiences its highest humidity in December, reaching 83%. In July, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Longview
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from July to August, with warm summers and cold winters
Frequently asked questions about the climate in Longview
What is the best time to visit Longview?
May, June, July, August and September typically offer the most optimal weather in Longview. In contrast, January, February, March, November and December tend to have less optimal conditions. Longview has a distinct dry season from July to August, with warm summers and cold winters.
What temperatures can I expect in Longview?
Daytime highs range from 7°C (45°F) in December to 26°C (79°F) in August. Nighttime lows range from 2°C (36°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Longview get?
Annual rainfall is around 1172 mm (46 in). December is the wettest month with 183 mm (7.2 in), while July is the driest with 13 mm (0.5 in).
How sunny is Longview?
Longview receives around 2,341 hours of sunshine per year. July is the sunniest month with 332 hours, while December is the cloudiest with just 64 hours. Overall, Longview enjoys abundant sunshine.
Longview 3-Day Forecast
Longview on the map
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