Climate Insights for Roseburg

The climate in Roseburg is temperate. The average annual temperature is 12°C and approximately 1175mm of precipitation falls per year. December is the wettest month, receiving around 178mm of rainfall. Roseburg is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, December, January, when temperatures can drop to 2°C. Snowfall occurs from January to December, with around 77cm accumulating over the season.

Temperatures in Roseburg vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 20°C. February is the coolest month, with minimum temperatures around 2°C and an average of 5°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Roseburg is a moderately rainy area, receiving approximately 1175mm of precipitation annually, which averages out to around 98mm per month. The wettest month is December, averaging 178mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 173mm 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. Snowfall is a regular feature from January to December, with around 77cm accumulating over the season. February typically sees the most snow at around 29cm.

Roseburg is relatively calm, with an average annual wind speed of 7km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Roseburg, which began on June 21, 2026. Roseburg 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 29°C, while the coldest stretch bottoms out in February near 2°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Roseburg is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 24mm per month. By contrast, February can be quite cold with temperatures dropping to 2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Roseburg 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.