Shūnan weather by month
Warmest month
August
31°C average high
Coolest month
January
2°C average low
Wettest month
June
166 mm of rain
Driest month
January
45 mm of rain
Average temperature and rainfall in Shūnan by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 10°C | 2°C | -7°C / 16°C | 45 mm | 69% | 11 km/h |
| February | 10°C | 3°C | -5°C / 18°C | 60 mm | 70% | 12 km/h |
| March | 14°C | 6°C | -4°C / 20°C | 82 mm | 70% | 12 km/h |
| April | 18°C | 10°C | 3°C / 23°C | 115 mm | 71% | 12 km/h |
| May | 23°C | 16°C | 6°C / 28°C | 82 mm | 73% | 11 km/h |
| June | 25°C | 19°C | 12°C / 31°C | 166 mm | 80% | 9 km/h |
| July | 29°C | 24°C | 17°C / 34°C | 112 mm | 82% | 10 km/h |
| August | 31°C | 25°C | 22°C / 36°C | 104 mm | 80% | 11 km/h |
| September | 28°C | 22°C | 17°C / 34°C | 122 mm | 77% | 10 km/h |
| October | 23°C | 15°C | 6°C / 29°C | 74 mm | 72% | 13 km/h |
| November | 17°C | 9°C | 4°C / 23°C | 50 mm | 71% | 11 km/h |
| December | 12°C | 4°C | -3°C / 19°C | 52 mm | 67% | 12 km/h |
Frost and snow-likely months in Shūnan
Nights in Shūnan average 2°C or below in 1 month (January). No month combines freezing average lows with 10 mm or more of precipitation, so snow is uncommon. The coldest month is January with an average low of 2°C and a record low of -7°C.
- January: average low 2°C, record low -7°C, 45 mm of precipitation
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Shūnan
The most comfortable time to visit Shūnan is generally May to June and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 1,065 mm a year.
Travellers who prefer heat should aim for August, when highs average 31°C. June is the month to avoid if rain would spoil your plans — it averages 166 mm, roughly 4× the rainfall of the driest month (January).
Shūnan climate: your questions
Does it snow in Shūnan?
Rarely: nights dip to 2°C or below only in January, and the coldest month, January, averages a low of 2°C (record low -7°C), so snow is uncommon. Our records carry temperature and precipitation, not snowfall totals. What is falling now: Shūnan weather today.
When is it going to snow in Shūnan this month?
Shūnan's winter months average lows of 4°C in December, 2°C in January and 3°C in February, with about 157 mm of precipitation across the three; 0 of them sit at or below 0°C, so snow is unlikely. The records hold no snowfall totals. The next 15 days: Shūnan 10-day forecast.
When is the best time to visit Shūnan?
May to June and October are the most comfortable months in Shūnan, with highs near 24°C. August is the warmest month, averaging 31°C by day; June is the wettest, with 166 mm; and January is the coolest, with lows near 2°C. What it is doing today: Shūnan weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Shūnan forecast for what is happening now.
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