Astoria (OR) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Astoria.
Climate overview of Astoria
Astoria, Oregon, United States of America, sees big temperature differences between seasons, with August peaking at 21°C (70°F) and December dropping to 9°C (48°F).
Rain/snowfall is high, totalling around 2057 mm (81 in) per year. November is the wettest month and July the driest. The city also experiences distinct dry (July to August) and wet (October to March) seasons, with pleasant summers and cold winters. July is the sunniest month, averaging 11.0 hours of sunshine per day.
Astoria Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Astoria - and find the best time to visit.
Monthly Temperature in Astoria
Visitors to Astoria can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in August, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like December.
At night, you can expect temperatures ranging from 12°C (54°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 Astoria
Astoria is known for its substantial rain/snowfall, with annual precipitation reaching 2057 mm (81 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 355 mm (14 in) of precipitation, recorded across 24 rainy days. In contrast, the driest month July brings less rainfall, with 27 mm (1.1 in) over 8 rainy days. For more details, please visit our Astoria 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 Astoria
Seasonal changes in sunshine hours are quite dramatic in Astoria. While July receives considerable daily sunshine with up to 11.0 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
Best Time to Visit Astoria
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July, August and September
- Most sunshine: July
- Fewest rainy days: July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (July to August) and wet (October to March) seasons, with pleasant summers and cold winters
Frequently asked questions about the climate in Astoria
What is the best time to visit Astoria?
July, August and September typically offer the most optimal weather in Astoria. In contrast, January, February, March, November and December tend to have less optimal conditions. Astoria has distinct dry (July to August) and wet (October to March) seasons, with pleasant summers and cold winters.
What temperatures can I expect in Astoria?
Daytime highs range from 9°C (48°F) in December to 21°C (70°F) in August. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Astoria get?
Annual rainfall is around 2057 mm (81 in). November is the wettest month with 355 mm (14 in), while July is the driest with 27 mm (1.1 in).
How sunny is Astoria?
Astoria receives around 2,342 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 62 hours. Overall, Astoria enjoys abundant sunshine.
Astoria 3-Day Forecast
Astoria (OR) 3-Day Forecast
Astoria on the map
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