Climate Insights for Furnas

The climate in Furnas is temperate. The average annual temperature is 18°C and approximately 774mm of precipitation falls per year. December is the wettest month, receiving around 102mm of rainfall. Furnas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, March, January, when temperatures can drop to 12°C.

Furnas sees moderate temperature variation throughout the year, ranging from 12°C to 25°C. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 23°C. February is the coolest month, with minimum temperatures around 12°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between June and July, with a 2°C shift in average temperatures.

Furnas is a relatively dry area, receiving approximately 774mm of precipitation annually, which averages out to around 65mm per month. The wettest month is December, averaging 102mm of rainfall. October and January also tend to see above-average precipitation. The driest month is July, with just 24mm. That's 78mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Furnas is moderately windy, with an average annual wind speed of 22km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/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 25km/h in winter, 23km/h in spring, 17km/h in summer, 22km/h in autumn.

It is currently spring in Furnas, which began on March 20, 2026. Furnas 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 August at around 25°C, while the coldest stretch bottoms out in February near 12°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Furnas is during April, May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 59mm per month. By contrast, February can be quite cold with temperatures dropping to 12°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 Furnas 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.