Akita, Japan climate
Cfa Humid subtropical
Akita has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 85°F, while the coldest is January averaging around 28°F at night. Precipitation is fairly even year-round, totalling about 69 inches.
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Summers
Warm
Highs near 85°F in August.
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Winters
Cold
Lows near 28°F in January.
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Rain
Very wet
About 69 in of rain a year.
Wettest in July
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Sky & trend
Often grey
Overcast skies dominate 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 figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Akita climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 38 | 39 | 46 | 57 | 67 | 75 | 81 | 85 | 78 | 66 | 54 | 43 |
| Avg temp (°F) | 33 | 33 | 39 | 49 | 59 | 67 | 74 | 77 | 70 | 58 | 47 | 37 |
| Avg low (°F) | 28 | 28 | 33 | 41 | 52 | 61 | 69 | 71 | 63 | 51 | 40 | 32 |
| Precipitation (in) | 4.7 | 3.9 | 3.9 | 4.3 | 4.9 | 4.8 | 7.8 | 7.3 | 6.3 | 6.9 | 7.4 | 6.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 38 | 39 | 46 | 57 | 67 | 75 |
| Avg temp (°F) | 33 | 33 | 39 | 49 | 59 | 67 |
| Avg low (°F) | 28 | 28 | 33 | 41 | 52 | 61 |
| Precipitation (in) | 4.7 | 3.9 | 3.9 | 4.3 | 4.9 | 4.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 85 | 78 | 66 | 54 | 43 |
| Avg temp (°F) | 74 | 77 | 70 | 58 | 47 | 37 |
| Avg low (°F) | 69 | 71 | 63 | 51 | 40 | 32 |
| Precipitation (in) | 7.8 | 7.3 | 6.3 | 6.9 | 7.4 | 6.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 83 | 80 | 78 | 73 | 71 | 74 | 79 | 71 | 74 | 72 | 78 | 84 |
| Relative humidity (%) | 83 | 81 | 77 | 78 | 80 | 82 | 85 | 82 | 79 | 78 | 80 | 83 |
| Wind speed (mph) | 9.7 | 9.9 | 8.2 | 5.9 | 4.2 | 3.6 | 3.5 | 3.8 | 4.6 | 5.6 | 6.7 | 8.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 83 | 80 | 78 | 73 | 71 | 74 |
| Relative humidity (%) | 83 | 81 | 77 | 78 | 80 | 82 |
| Wind speed (mph) | 9.7 | 9.9 | 8.2 | 5.9 | 4.2 | 3.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 71 | 74 | 72 | 78 | 84 |
| Relative humidity (%) | 85 | 82 | 79 | 78 | 80 | 83 |
| Wind speed (mph) | 3.5 | 3.8 | 4.6 | 5.6 | 6.7 | 8.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Akita, about 2 km from the city centre.
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.