Climate Insights for Katherine

The climate in Katherine is hot. The average annual temperature is 27°C and approximately 793mm of precipitation falls per year. January is the wettest month, receiving around 277mm of rainfall. Katherine 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: October, November, December. The coldest months are July, June, August, when temperatures can drop to 16°C.

Temperatures in Katherine vary considerably across the year, with a 21°C difference between the coldest and warmest months. October is the hottest month, with daytime highs reaching 37°C and an average of 31°C. July is the coolest month, with minimum temperatures around 16°C and an average of 23°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 4°C shift in average temperatures.

Katherine is a relatively dry area, receiving approximately 793mm of precipitation annually, which averages out to around 66mm per month. The wettest month is January, averaging 277mm of rainfall. February and December also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 277mm less than January, 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.

Katherine is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently winter in Katherine, which began on June 21, 2026. Katherine 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 October at around 37°C, while the coldest stretch bottoms out in July near 16°C. Spring is next, beginning on September 23, 2026 — 88 days from now.

The best time to visit Katherine is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 0mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 37°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Katherine 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.