Climate normals · 1970–2000
Nagano Climate
Nagano is a city in Japan (26) with a population of about 372,760. Its average annual temperature is 12.4°C (54°F), with roughly 1128 mm of rain per year.
12.4°C
Avg Temp
1128
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Nagano Climate
Nagano has an average annual temperature of 12.4°C (54°F) and receives about 1128 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
12.4°C
Avg Temp
1128
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 32° | 76 mm |
| February | 1° / 33° | 67 mm |
| March | 4° / 40° | 74 mm |
| April | 11° / 52° | 70 mm |
| May | 16° / 62° | 83 mm |
| June | 21° / 69° | 135 mm |
| July | 25° / 76° | 147 mm |
| August | 26° / 78° | 104 mm |
| September | 21° / 69° | 145 mm |
| October | 14° / 58° | 97 mm |
| November | 8° / 47° | 67 mm |
| December | 3° / 37° | 63 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 Nagano
The most comfortable months to visit Nagano are typically June, September and May, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near -5°C low). July is usually the wettest month.
Where to stay near Nagano
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Frequently Asked Questions
The most comfortable months to visit Nagano are typically June, September and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Nagano, Japan has an average annual temperature of 12.4°C and about 1128 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Nagano 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.