Climate Insights for Cooma

The climate in Cooma is temperate. The average annual temperature is 11°C and approximately 747mm of precipitation falls per year. Cooma receives a notable amount of rainfall throughout the year, including during its driest month. Cooma is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, June, August, when temperatures can drop to 1°C. Light snow can occur between June and September.

Temperatures in Cooma vary considerably across the year, with a 23°C difference between the coldest and warmest months. January is the warmest month, though highs remain moderate at 24°C with a mean of 18°C. July is the coolest month, with minimum temperatures around 1°C and an average of 5°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Cooma is a relatively dry area, receiving approximately 747mm of precipitation annually, which averages out to around 62mm per month. The wettest month is January, averaging 103mm of rainfall. November and December also tend to see above-average precipitation. The driest month is July, with just 31mm. That's 72mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between June and September, totalling around 6cm annually. August is the snowiest month with approximately 2cm.

Cooma is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently autumn in Cooma, which began on March 20, 2026. Cooma is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 24°C, while the coldest stretch bottoms out in July near 1°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Cooma is during February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 73mm per month. By contrast, January can be uncomfortably hot with highs reaching 24°C, while July is the coldest period with lows dropping to 1°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Cooma 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.