Climate Insights for Rosso

The climate in Rosso is hot. The average annual temperature is 27°C and approximately 113mm of precipitation falls per year. September is the wettest month, receiving around 56mm of rainfall. Rosso is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: October, June, November. The coldest months are January, December, February, when temperatures can drop to 18°C.

Rosso sees moderate temperature variation throughout the year, ranging from 18°C to 38°C. October is the hottest month, with daytime highs reaching 38°C and an average of 31°C. January is the coolest month, with minimum temperatures around 18°C and an average of 24°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.

Rosso is a quite dry location, receiving approximately 113mm of precipitation annually, which averages out to around 9mm per month. The wettest month is September, averaging 56mm of rainfall. August and July also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 55mm less than September, 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.

Rosso 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 April, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Rosso, which began on June 21, 2026. Rosso 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 October at around 38°C, while the coldest stretch bottoms out in January near 18°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Rosso is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 0mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 38°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Rosso 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.