Climate Insights for Dumas

The climate in Dumas is temperate. The average annual temperature is 15°C and approximately 333mm of precipitation falls per year. April is the wettest month, receiving around 78mm of rainfall. Dumas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are December, January, February, when temperatures can drop to -3°C. Light snow can occur between January and December.

Dumas has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the hottest month, with daytime highs reaching 36°C and an average of 28°C. The coldest month is December, when overnight lows fall to -3°C and the daily average is 2°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 8°C shift in average temperatures.

Dumas is a quite dry location, receiving approximately 333mm of precipitation annually, which averages out to around 28mm per month. The wettest month is April, averaging 78mm of rainfall. August and May also tend to see above-average precipitation. The driest month is October, with just 2mm. That's 75mm less than April, 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. Light snowfall can occur between January and December, totalling around 23cm annually. December is the snowiest month with approximately 8cm.

Dumas is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 4km/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 Dumas, which began on June 21, 2026. Dumas 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 July at around 36°C, while the coldest stretch bottoms out in December near -3°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Dumas is during May, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 34mm per month. By contrast, July can be uncomfortably hot with highs reaching 36°C, while December is the coldest period with lows dropping to -3°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 Dumas 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.