Climate normals · 1970–2000
Toshima Climate
Toshima is a city in Japan (40) with a population of about 301,599. Its average annual temperature is 15.4°C (60°F), with roughly 1420 mm of rain per year.
15.4°C
Avg Temp
1420
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Toshima Climate
Toshima has an average annual temperature of 15.4°C (60°F) and receives about 1420 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
15.4°C
Avg Temp
1420
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 41° | 40 mm |
| February | 5° / 42° | 56 mm |
| March | 8° / 47° | 96 mm |
| April | 14° / 57° | 116 mm |
| May | 19° / 65° | 130 mm |
| June | 22° / 71° | 175 mm |
| July | 25° / 78° | 159 mm |
| August | 27° / 80° | 161 mm |
| September | 23° / 74° | 202 mm |
| October | 18° / 64° | 165 mm |
| November | 12° / 54° | 81 mm |
| December | 7° / 45° | 39 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Toshima
The most comfortable months to visit Toshima are typically May, June and October, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near 0°C low). September is usually the wettest month.
Where to stay near Toshima
Planning a trip to Toshima? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Toshima
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Toshima?
Get climate tips and the best lodging deals for Toshima by email. No spam, unsubscribe anytime.
Other cities in Japan
Frequently Asked Questions
The most comfortable months to visit Toshima are typically May, June and October, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Toshima, Japan has an average annual temperature of 15.4°C and about 1420 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Toshima average about 31°C (87°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.