Climate Insights for Chapman

The climate in Chapman is temperate. The average annual temperature is 14°C and approximately 849mm of precipitation falls per year. May is the wettest month, receiving around 176mm of rainfall. Chapman 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 January, February, December, when temperatures can drop to -5°C. Light snow can occur between January and December.

Chapman has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 27°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is 0°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 8°C shift in average temperatures.

Chapman is a moderately rainy area, receiving approximately 849mm of precipitation annually, which averages out to around 71mm per month. The wettest month is May, averaging 176mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 25mm. That's 151mm less than May, 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 30cm annually. January is the snowiest month with approximately 11cm.

Chapman is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/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 21km/h in winter, 24km/h in spring, 19km/h in summer, 21km/h in autumn.

It is currently spring in Chapman, which began on March 20, 2026. Chapman 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 33°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

The best time to visit Chapman is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 58mm per month. By contrast, July can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to -5°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 Chapman 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.