When to go · Japan
When to go to Tokyo
When to go
What the averages say
On these averages, Tokyo has a mean high between 18°C and 32°C and under 150 mm of rain in April, May and August.
- Wet months (150 mm of rain or more): June, July, September and October.
- Humid months (a high of 25°C or more with relative humidity of 70% or more): June to September.
- Cold months (a mean high under 10°C): January.
- The warmest month is August (31°C) and the coolest January (9°C). The wettest is October (246 mm) and the driest February (75 mm); about 1,694 mm of rain falls in a year.
How these sentences are worded
Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.
The year at a glance
- Mild to warm and dry
- Mild to warm, humid or showery
- Hot
- Cool
- Wet
- Cold
- JanCold
- FebCool
- MarCool
- AprMild–warm, mixed
- MayMild–warm, mixed
- JunWet
- JulWet
- AugMild–warm, mixed
- SeptWet
- OctWet
- NovCool
- DecCool
Month by month
Every month in Tokyo
| Month | High | Low | Rain | Humidity | Cloud | Sunlight (kWh/m²/day) | High in Dubai | What it is like |
|---|---|---|---|---|---|---|---|---|
| January | 9°C | 1°C | 80 mm | 75% | 48% | 2.8 | 23°C | Cold |
| February | 10°C | 1°C | 75 mm | 76% | 57% | 3.3 | 24°C | Cool |
| March | 13°C | 4°C | 124 mm | 76% | 61% | 4.1 | 27°C | Cool |
| April | 18°C | 9°C | 135 mm | 77% | 64% | 4.8 | 31°C | Mild to warm, humid or showery |
| May | 23°C | 14°C | 148 mm | 79% | 70% | 5.1 | 35°C | Mild to warm, humid or showery |
| June | 26°C | 18°C | 185 mm | 82% | 81% | 4.6 | 37°C | Wet |
| July | 29°C | 22°C | 153 mm | 83% | 76% | 4.8 | 39°C | Wet |
| August | 31°C | 23°C | 134 mm | 81% | 65% | 5 | 39°C | Mild to warm, humid or showery |
| September | 27°C | 20°C | 211 mm | 82% | 71% | 3.9 | 37°C | Wet |
| October | 22°C | 15°C | 246 mm | 82% | 68% | 3.1 | 34°C | Wet |
| November | 17°C | 9°C | 120 mm | 80% | 57% | 2.6 | 29°C | Cool |
| December | 11°C | 3°C | 83 mm | 78% | 47% | 2.5 | 25°C | Cool |
The Dubai column is Dubai's mean daily high, for comparison.
Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.
When to go nearby
When to go nearby
- Kawasaki19 kmGood for going: April, May and August
- Matsudo21 kmGood for going: April and May
- Tokorozawa24 kmGood for going: April and May
- Koshigaya24 kmGood for going: April and May
- Saitama25 kmGood for going: April and May
- Machida27 kmGood for going: April and May
- Yokohama29 kmGood for going: April and May
- Kawagoe31 kmGood for going: April and May
From the journal
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