Climate of Toyama Prefecture, Japan
Area-weighted average across Toyama Prefecture. For where people actually live and travel, see the cities below.
Toyama Prefecture, a subdivision of Japan, has a strongly continental climate on average. Area-weighted monthly temperatures across the whole territory range from -2.1°C / 28.2°F in January to 23°C / 73.4°F in August, with rainfall from 115 mm / 4.5 in to 239 mm / 9.4 in depending on the season (1950 mm / 76.8 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -2.1°C28.2°F | 147 mm5.8″ | Snowy |
| February | -2°C28.4°F | 115 mm4.5″ | Snowy |
| March | 1.5°C34.7°F | 123 mm4.8″ | Snowy |
| April | 8.2°C46.8°F | 134 mm5.3″ | — |
| May | 13.3°C55.9°F | 139 mm5.5″ | — |
| June | 17.5°C63.5°F | 204 mm8″ | — |
| July | 21.7°C71.1°F | 230 mm9.1″ | — |
| August | 23°C73.4°F | 183 mm7.2″ | — |
| September | 18.5°C65.3°F | 239 mm9.4″ | — |
| October | 12.4°C54.3°F | 149 mm5.9″ | — |
| November | 6.7°C44.1°F | 144 mm5.7″ | — |
| December | 1.1°C34°F | 143 mm5.6″ | Snowy |
Frequently asked questions
What is the best time to visit Toyama Prefecture?
Toyama Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 23°C / 73.4°F, and the driest is February at 115 mm / 4.5 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Toyama Prefecture?
Toyama Prefecture, Japan has area-weighted monthly average temperatures ranging from -2.1°C / 28.2°F in January to 23°C / 73.4°F in August. Annual rainfall averages about 1950 mm / 76.8 in, with the wettest month being September (239 mm / 9.4 in) and the driest February (115 mm / 4.5 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Toyama Prefecture?
The hottest month in Toyama Prefecture is August, with an area-wide average temperature of 23°C / 73.4°F.
What is the coldest month in Toyama Prefecture?
The coldest month in Toyama Prefecture is January, with an area-wide average temperature of -2.1°C / 28.2°F.
When does it rain most in Toyama Prefecture?
The wettest month in Toyama Prefecture is September, averaging about 239 mm / 9.4 in of rainfall. The driest is February with about 115 mm / 4.5 in.