Climate Overview
The climate in Hiranai is temperate. The average annual temperature is 11°C and approximately 1358mm 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 -4°C. Snowfall occurs from January to December, with around 194cm accumulating over the season.
Temperature
Temperatures in Hiranai vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is -2°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 7°C shift in average temperatures.
Precipitation
Hiranai is a fairly wet location, receiving approximately 1358mm of precipitation annually, which averages out to around 113mm per month. The wettest month is August, averaging 204mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 77mm. That's 127mm 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. Snowfall is a regular feature from January to December, with around 194cm accumulating over the season. December typically sees the most snow at around 51cm.
Wind
Hiranai is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 20km/h in winter, 19km/h in spring, 14km/h in summer, 17km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Hiranai, which began on March 20, 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 27°C, while the coldest stretch bottoms out in January near -4°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 0 to 19°C. Precipitation is moderate at around 276mm for the season, averaging 92mm per month. Winds are moderate at around 19km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 27°C. Rainfall is heavy, totalling around 486mm across the season with a monthly average of 162mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 3 to 24°C. Rainfall is heavy, totalling around 343mm across the season with a monthly average of 114mm. Expect around 10cm of snow accumulation during this period. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -4 to 2°C. Precipitation is moderate at around 253mm for the season, averaging 84mm per month. Expect around 149cm of snow accumulation during this period. Winds are moderate at around 20km/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.
