Climate Overview
The climate in Funaishikawa is temperate. The average annual temperature is 15°C and approximately 1545mm of precipitation falls per year. Funaishikawa receives a notable amount of rainfall throughout the year, including during its driest month. Funaishikawa 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. Light snow can occur between January and March.
Temperature
Temperatures in Funaishikawa vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 3°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Funaishikawa is a fairly wet location, receiving approximately 1545mm of precipitation annually, which averages out to around 129mm per month. The wettest month is October, averaging 220mm of rainfall. September and July also tend to see above-average precipitation. The driest month is December, with just 58mm. That's 162mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and March, totalling around 22cm annually. January is the snowiest month with approximately 9cm.
Wind
Funaishikawa 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 January, averaging 4km/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. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Funaishikawa, which began on June 21, 2026. Funaishikawa 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 28°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 6 to 20°C. Rainfall is heavy, totalling around 391mm across the season with a monthly average of 130mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 28°C. Rainfall is heavy, totalling around 467mm across the season with a monthly average of 156mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 25°C. Rainfall is heavy, totalling around 493mm across the season with a monthly average of 164mm. 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 11°C. Precipitation is moderate at around 194mm for the season, averaging 65mm per month. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 4km/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 Funaishikawa 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.
