Yamagata, Japan Climate by Month
Yamagata, Japan
Warm summers and cold winters, with rain spread through the year.
Yamagata has warm summers and cold winters, with rain spread through the year. August is the warmest month, with highs around 85°F (29°C); January is the coolest at 36°F (2°C), and nights dip to 25°F (-4°C). About 50 in (1273 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 85°F(29°C)
- Average high, August
- Coldest nights
- 25°F(-4°C)
- Average low, January
- Rain per year
- 50 in(1273 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: May
Best and worst months in Yamagata
Best for weatherMay, June and September are the best time for weather in Yamagata: highs near 74°F (24°C) and about 4.2 in (107 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 36°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Yamagata weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 36°F(2°C) | 25°F(-4°C) | 3.7 in(94 mm) | 69% | 1.8 |
| FebFebruary | 38°F(3°C) | 25°F(-4°C) | 2.6 in(66 mm) | 67% | 2.5 |
| MarMarch | 46°F(8°C) | 31°F(-1°C) | 2.9 in(74 mm) | 63% | 3.4 |
| AprApril | 60°F(16°C) | 42°F(5°C) | 3.3 in(83 mm) | 55% | 4.5 |
| MayMayBest | 71°F(21°C) | 52°F(11°C) | 3.1 in(79 mm) | 65% | 5.0 |
| JunJuneBest | 76°F(25°C) | 60°F(16°C) | 4.6 in(116 mm) | 73% | 4.8 |
| JulJuly | 82°F(28°C) | 67°F(20°C) | 6.7 in(171 mm) | 75% | 4.5 |
| AugAugust | 85°F(29°C) | 69°F(21°C) | 5.9 in(150 mm) | 73% | 4.6 |
| SepSeptemberBest | 76°F(25°C) | 61°F(16°C) | 5.0 in(126 mm) | 75% | 3.5 |
| OctOctober | 65°F(19°C) | 49°F(10°C) | 5.0 in(126 mm) | 75% | 2.8 |
| NovNovember | 54°F(12°C) | 39°F(4°C) | 3.3 in(84 mm) | 75% | 1.9 |
| DecDecember | 42°F(6°C) | 31°F(-1°C) | 4.1 in(104 mm) | 68% | 1.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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