Climate Insights for Astoria

The climate in Astoria is temperate. The average annual temperature is 12°C and approximately 1646mm of precipitation falls per year. December is the wettest month, receiving around 278mm of rainfall. Astoria is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, December, January, when temperatures can drop to 7°C.

Astoria has relatively stable temperatures year-round, staying within a 10°C range. August is the warmest month, though highs remain moderate at 17°C with a mean of 16°C. February is the coolest month, with minimum temperatures around 7°C and an average of 8°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.

Astoria is a fairly wet location, receiving approximately 1646mm of precipitation annually, which averages out to around 137mm per month. The wettest month is December, averaging 278mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 11mm. That's 266mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Astoria is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 31km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 30km/h in winter, 26km/h in spring, 22km/h in summer, 26km/h in autumn.

It is currently winter in Astoria, which began on December 21, 2026. Astoria is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 17°C, while the coldest stretch bottoms out in February near 7°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Astoria is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 30mm per month. By contrast, February can be quite cold with temperatures dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Astoria based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.