Climate Overview
The climate in Hiranai is temperate. The average annual temperature is 11°C and approximately 1432mm of precipitation falls per year. Hiranai receives a notable amount of rainfall throughout the year, including during its driest month. Hiranai 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. Hiranai experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Hiranai 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 26°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.
Precipitation
Hiranai is a fairly wet location, receiving approximately 1432mm of precipitation annually, which averages out to around 119mm per month. The wettest month is August, averaging 205mm of rainfall. July and September also tend to see above-average precipitation. The driest month is November, with just 71mm. That's 134mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Hiranai receives heavy snowfall, accumulating around 271cm annually from January through December. The snowiest month is December, with approximately 70cm. Winter travel should account for significant snow cover.
Wind
Hiranai is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/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.
Seasons
92 days until Autumn
It is currently summer in Hiranai, which began on June 21, 2026. Hiranai 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 26°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 1 to 18°C. Precipitation is moderate at around 287mm for the season, averaging 96mm per month. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 491mm across the season with a monthly average of 164mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 4 to 23°C. Rainfall is heavy, totalling around 359mm across the season with a monthly average of 120mm. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 3°C. Precipitation is moderate at around 294mm for the season, averaging 98mm per month. Expect around 207cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Hiranai 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.
