Climate Insights for Castaños

The climate in Castaños is warm and mild. The average annual temperature is 21°C and approximately 548mm of precipitation falls per year. September is the wettest month, receiving around 148mm of rainfall. Castaños is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, May. The coldest months are January, December, February, when temperatures can drop to 7°C.

Temperatures in Castaños vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 7°C and an average of 12°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between January and February, with a 4°C shift in average temperatures.

Castaños is a relatively dry area, receiving approximately 548mm of precipitation annually, which averages out to around 46mm per month. The wettest month is September, averaging 148mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 5mm. That's 143mm 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.

Castaños is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Castaños, which began on June 21, 2026. Castaños 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 June at around 33°C, while the coldest stretch bottoms out in January near 7°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Castaños is during February, March, April, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 25mm per month. By contrast, June can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Castaños 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.