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Weather & Climate
Ryōtsu-minato, Niigata, Japan
Overview
Available climate summaries for Ryōtsu-minato. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
14.4°C
Summer Avg
23.3°C
Winter Avg
5.8°C
Record High
33.6°C
Record Low
-3°C
Annual Precipitation
1701.6 mm
Avg Humidity
78%
Summer Humidity
82%
Winter Humidity
78%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.2° | 4.9° | -3° | 166.5 | 78% | 44 | 70 |
| Feb | 15° | 4.7° | -2.1° | 103.6 | 76% | 61 | 73.3 |
| Mar | 15° | 6.6° | -0.4° | 107 | 74% | 108 | 72.4 |
| Apr | 21.5° | 10.4° | 2.6° | 94.8 | 76% | 141 | 84.9 |
| May | 26.1° | 15.4° | 6.2° | 84.6 | 80% | 162 | 50.1 |
| Jun | 27.9° | 19.9° | 13.2° | 112.5 | 81% | 162 | 54.4 |
| Jul | 31.8° | 23.9° | 17.3° | 212.7 | 85% | 148 | 43.7 |
| Aug | 33.6° | 26.1° | 18.9° | 144.8 | 80% | 156 | 89.6 |
| Sep | 31.6° | 23.1° | 15.6° | 141 | 76% | 121 | 83.2 |
| Oct | 27.2° | 18° | 10.4° | 151 | 73% | 93 | 93.2 |
| Nov | 21.5° | 12.8° | 5.2° | 168.3 | 75% | 56 | 70 |
| Dec | 17.6° | 7.7° | -1° | 214.8 | 79% | 38 | 70.7 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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