Tokyo, Japan: Annual Weather Averages
August is the hottest month in Tokyo with an average temperature of 79°F (26°C) and the coldest is January at 41°F (5°C) with the most daily sunshine hours at 6 in December. The wettest month is June with an average of 181mm of rain. The best month to swim in the sea is in August when the average sea temperature is 79°F (26°C).
Average Temperature: Tokyo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 5 | 6 | 9 | 14 | 18 | 21 | 25 | 26 | 23 | 18 | 12 | 8 |
| °F | 41 | 43 | 48 | 57 | 64 | 70 | 77 | 79 | 73 | 64 | 54 | 46 |
Average High/Low Temperature: Tokyo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 8 | 9 | 12 | 17 | 21 | 24 | 28 | 29 | 26 | 20 | 15 | 11 |
| High °F | 46 | 48 | 54 | 63 | 70 | 75 | 82 | 84 | 79 | 68 | 59 | 52 |
| Low °C | 2 | 2 | 5 | 10 | 14 | 18 | 22 | 23 | 20 | 15 | 9 | 4 |
| Low °F | 36 | 36 | 41 | 50 | 57 | 64 | 72 | 73 | 68 | 59 | 48 | 39 |
Average Rainfall: Tokyo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 43 | 58 | 94 | 119 | 132 | 181 | 128 | 147 | 181 | 158 | 84 | 44 |
| Days | 9 | 11 | 17 | 16 | 16 | 20 | 20 | 17 | 20 | 17 | 12 | 9 |
Average Daily Sunshine Hours: Tokyo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 6 | 6 | 6 | 5 | 6 | 4 | 5 | 6 | 4 | 4 | 5 | 6 |
Average Sea Temperature: Tokyo
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 17 | 16 | 16 | 17 | 20 | 22 | 24 | 26 | 25 | 23 | 21 | 19 |
| °F | 63 | 61 | 61 | 63 | 68 | 72 | 75 | 79 | 77 | 73 | 70 | 66 |