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Ōfunato, Japan climate

Cfa Humid subtropical

Ōfunato has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 27°C, while the coldest is January averaging around −2°C at night. Precipitation totals about 1543 mm a year and is strongly seasonal — September alone averages 200 mm while February barely receives 41 mm.

☀️ Summers
Warm
Highs near 27°C in August.
❄️ Winters
Cold
Lows near −2°C in January.
🌧️ Rain
Very wet
About 1543 mm of rain a year.
Wettest in September
Sky & trend
Often cloudy
Cloudy skies much of the year.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures TEMPERATURE °C -10°10°20°30° PRECIPITATION (mm) 0105210 JanAprJulOct

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER) 0h2h3h4h6h J: ~3.1 hours of sun/dayF: ~3.4 hours of sun/dayM: ~3.6 hours of sun/dayA: ~4.1 hours of sun/dayM: ~4.1 hours of sun/dayJ: ~3.5 hours of sun/dayJ: ~2.9 hours of sun/dayA: ~3.6 hours of sun/dayS: ~3.1 hours of sun/dayO: ~3.5 hours of sun/dayN: ~3.2 hours of sun/dayD: ~2.8 hours of sun/day JFMAMJJASOND Sun hours per day (est.)

Ōfunato climate normals (1991–2020)

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)56915192226272419137
Avg temp (°C)114914182223201494
Avg low (°C)−2−20510151920171040
Precipitation (mm)51411041291541741961822001618961
Jan – JunJanFebMarAprMayJun
Avg high (°C)569151922
Avg temp (°C)11491418
Avg low (°C)−2−2051015
Precipitation (mm)5141104129154174
Jul – DecJulAugSepOctNovDec
Avg high (°C)26272419137
Avg temp (°C)2223201494
Avg low (°C)1920171040
Precipitation (mm)1961822001618961

Sky & atmosphere

JanFebMarAprMayJunJulAugSepOctNovDec
Cloud cover (%)676770697176807374686770
Relative humidity (%)807877808488908984797981
Wind speed (m/s)5.65.34.94.13.42.92.73.03.64.14.75.3
Jan – JunJanFebMarAprMayJun
Cloud cover (%)676770697176
Relative humidity (%)807877808488
Wind speed (m/s)5.65.34.94.13.42.9
Jul – DecJulAugSepOctNovDec
Cloud cover (%)807374686770
Relative humidity (%)908984797981
Wind speed (m/s)2.73.03.64.14.75.3
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Ofunato, inside the city.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →