When to visit
Iiyama?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Iiyama
Präfektur Nagano · Japan

The best weather in Iiyama is from June, September, October.some variation climate

Climate score
June
70

Excellent climate

🌧Rainy

Temperature
16–25°C
Angenehme Nächte
Feels like
17–27°C
Leicht feucht
Precipitation
164mm
Mäßiger Regen · 18 days
Sunshine
7.5h
Überwiegend bewölkt
Humidity (%)
81%
Leicht feucht
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score672056697049597271327
ClimateColdColdColdColdCool & rainyRainyRainyHot & rainyHumidCool & rainyColdCold
Temperature-2–5°C-1–6°C1–11°C6–17°C11–21°C16–25°C21–28°C22–30°C19–26°C11–19°C6–14°C0–7°C
Feels like-6–1°C-5–2°C-2–8°C4–15°C10–22°C17–27°C24–33°C25–35°C21–29°C10–19°C3–12°C-4–4°C
Precipitation267mm
30 days
213mm
28 days
168mm
20 days
155mm
16 days
168mm
18 days
164mm
18 days
259mm
26 days
126mm
16 days
149mm
17 days
155mm
19 days
207mm
20 days
342mm
30 days
Sunshine4.3h
☀︎ 43%
5.4h
☀︎ 50%
7.2h
☀︎ 60%
8.5h
☀︎ 65%
8.5h
☀︎ 60%
7.5h
☀︎ 51%
7.2h
☀︎ 50%
9.5h
☀︎ 70%
7.7h
☀︎ 62%
7.0h
☀︎ 63%
6.8h
☀︎ 66%
4.9h
☀︎ 51%
WindN · 14 km/hN · 14 km/hN · 14 km/hNO · 15 km/hO · 15 km/hSO · 13 km/hO · 12 km/hSO · 13 km/hS · 13 km/hNO · 13 km/hNO · 13 km/hN · 13 km/h
Humidity (%)78%77%75%74%75%81%86%82%83%82%80%79%
Day length10.0h10.8h12.0h13.2h14.2h14.6h14.4h13.5h12.4h11.2h10.2h9.7h

Frequently asked questions

What is the best time to visit Iiyama?

The best time to visit Iiyama is September, October, June, May, with temperatures between 11 °C and 26 °C. The best month is September. September is low season.

What is the weather like in Iiyama?

Iiyama has a climate with an overall score of 4.3/10. Annual temperatures range from -2 °C to 30 °C.

What is the hottest month in Iiyama?

The hottest month in Iiyama is August, with average highs of 30 °C and lows of 22 °C.

What is the rainiest month in Iiyama?

The rainiest month in Iiyama is December, with an average of 342 mm of precipitation.