Wakayama Climate by Month
Wakayama, Japan
Hot summers and cool winters, with rain spread through the year.
Hot summers and cool winters, with rain spread through the year: that's Wakayama's climate in short. Afternoon highs range from 50°F (10°C) in January to 90°F (32°C) in August, and January nights average 36°F (2°C). It gets 54 in (1371 mm) of rain a year, spread across the months.
- Warmest month
- 90°F(32°C)
- Average high, August
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 54 in(1371 mm)
- No clear rainy season
- Humidity
- 67%
- Sunniest: August
Best and worst months in Wakayama
Best for weatherThe most comfortable weather comes in May and October, with highs around 75°F (24°C) and about 5.6 in (144 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 50°F (10°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 May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Wakayama weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 36°F(2°C) | 2.0 in(50 mm) | 63% | 2.4 |
| FebFebruary | 51°F(11°C) | 37°F(3°C) | 2.2 in(56 mm) | 61% | 3.2 |
| MarMarch | 58°F(15°C) | 42°F(6°C) | 3.8 in(96 mm) | 65% | 4.1 |
| AprApril | 67°F(20°C) | 51°F(10°C) | 4.4 in(113 mm) | 65% | 4.9 |
| MayMayBest | 76°F(24°C) | 59°F(15°C) | 5.1 in(130 mm) | 66% | 5.2 |
| JunJune | 80°F(27°C) | 67°F(20°C) | 7.9 in(201 mm) | 73% | 4.7 |
| JulJuly | 87°F(31°C) | 75°F(24°C) | 6.0 in(153 mm) | 75% | 5.1 |
| AugAugust | 90°F(32°C) | 76°F(25°C) | 4.3 in(108 mm) | 69% | 5.4 |
| SepSeptember | 84°F(29°C) | 70°F(21°C) | 7.1 in(180 mm) | 70% | 4.1 |
| OctOctoberBest | 74°F(23°C) | 59°F(15°C) | 6.2 in(157 mm) | 67% | 3.4 |
| NovNovember | 65°F(18°C) | 49°F(10°C) | 3.1 in(78 mm) | 70% | 2.6 |
| DecDecember | 55°F(13°C) | 40°F(4°C) | 1.9 in(49 mm) | 63% | 2.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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