Tokyo weather by month & the best time to visit
🇯🇵 Japan · major coastal city · humid subtropical climate
The best time to visit Tokyo is August — its sunniest month (Sunshine Score 66/100), with May and June close behind. Tokyo averages about 1,958 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 134 mm of rain in August.
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- Sun hours / year
- 1,958
- Sunniest month
- August
- Peak score
- 66/100
- Rain / year
- 1,694 mm
- Midday UV at peak
- 7 (high)
- Sea at warmest
- 28°C / 82°F
- Population
- 35.7M
- Elevation
- 6 m

When is the best time to visit Tokyo?
For sunshine, the best time to visit Tokyo is August, then May and June. The dullest month is January (6/100, 80 mm of rain). The full month-by-month picture is in the table below.
How sunny is Tokyo?
Tokyo gets a moderate 1,958 hours of sunshine a year. 60 Sunshine Score points separate August (66) from January (6), so the month you pick matters. It ranks #9 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. The year's 1,694 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 6 | 9° / 48°F | 1° / 34°F | 80 mm | 2 | 10° / 50°F |
| February | 13 | 10° / 50°F | 1° / 34°F | 75 mm | 3 | 11° / 52°F |
| March | 34 | 14° / 57°F | 4° / 39°F | 124 mm | 4 | 12° / 54°F |
| April | 54 | 18° / 64°F | 9° / 48°F | 135 mm | 5 | 15° / 59°F |
| May | 63 | 23° / 73°F | 14° / 57°F | 148 mm | 6 | 19° / 66°F |
| June | 63 | 26° / 79°F | 18° / 64°F | 185 mm | 6 | 23° / 73°F |
| July | 63 | 29° / 84°F | 22° / 72°F | 153 mm | 6 | 27° / 81°F |
| August | 66 | 31° / 88°F | 23° / 73°F | 134 mm | 7 | 28° / 82°F |
| September | 63 | 27° / 81°F | 20° / 68°F | 211 mm | 6 | 27° / 81°F |
| October | 63 | 22° / 72°F | 15° / 59°F | 246 mm | 4 | 23° / 73°F |
| November | 51 | 17° / 63°F | 9° / 48°F | 120 mm | 3 | 19° / 66°F |
| December | 25 | 12° / 54°F | 3° / 37°F | 83 mm | 2 | 15° / 59°F |
Sea temperature in Tokyo by month
The sea off Tokyo is warmest in August at around 28°C / 82°F, and coolest in January at 10°C / 50°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Tokyo on the interactive sunshine globe →
Nearby places for sunshine
- Ibaraki Japan · 90 km · best in May · 1,948 h sun/yr
- Shizuoka Japan · 168 km · best in May · 2,035 h sun/yr
- Toyama Japan · 264 km · best in May · 1,590 h sun/yr
- Niigata Japan · 274 km · best in May · 1,480 h sun/yr
- Nagoya Japan · 282 km · best in May · 1,906 h sun/yr
- Sendai Japan · 305 km · best in May · 1,521 h sun/yr
Nearest destinations
- Izu Oshima Japan · 94 km · 1,871 h sun/yr · best in May
- Miyakejima Japan · 165 km · 1,871 h sun/yr · best in Nov
- Matsumoto Japan · 181 km · 1,590 h sun/yr · best in May
- Fukushima Japan · 195 km · 1,749 h sun/yr · best in May
Head-to-head
How Tokyo compares month by month: Tokyo vs Shizuoka · Tokyo vs Toyama · Tokyo vs Ibaraki · all comparisons
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