Climate Overview
The climate in Nanao is temperate. The average annual temperature is 16°C and approximately 1922mm of precipitation falls per year. Nanao receives a notable amount of rainfall throughout the year, including during its driest month. Nanao 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 January, February, December, when temperatures can drop to 3°C. Snowfall occurs from January to December, with around 69cm accumulating over the season.
Temperature
Temperatures in Nanao vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 32°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 3°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Nanao is a fairly wet location, receiving approximately 1922mm of precipitation annually, which averages out to around 160mm per month. The wettest month is September, averaging 234mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 104mm. That's 130mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 69cm accumulating over the season. January typically sees the most snow at around 28cm.
Wind
Nanao is relatively calm, with an average annual wind speed of 11km/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 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/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 14km/h in winter, 12km/h in spring, 9km/h in summer, 11km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Nanao, which began on June 21, 2026. Nanao 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 32°C, while the coldest stretch bottoms out in January near 3°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 6 to 22°C. Rainfall is heavy, totalling around 389mm across the season with a monthly average of 130mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 20 to 32°C. Rainfall is heavy, totalling around 608mm across the season with a monthly average of 203mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 28°C. Rainfall is heavy, totalling around 523mm across the season with a monthly average of 174mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 3 to 9°C. Rainfall is heavy, totalling around 402mm across the season with a monthly average of 134mm. Expect around 64cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Nanao 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.