Nagano, Japan Weather Information

Local Time

2026-02-18 06:27:54 Japan Standard Time

Weather in the past year

Temperature Unit:
Wind Speed Unit:
Average Temperature
13.5°C 56.3°F
Minimum Temperature
-4.8°C 23.4°F
Maximum Temperature
30.4°C 86.7°F
Average Wind Gust
128.9 km/h 80.1 mph 35.8 m/s 69.6 knots
Minimum Wind Gust
51.8 km/h 32.2 mph 14.4 m/s 28 knots
Maximum Wind Gust
237.2 km/h 147.4 mph 65.9 m/s 128.1 knots

Sun & Astronomy

In Nagano, Japan, today's sunrise time is 06:30, sunset time is 17:31, nautical twilight begins at 05:35, nautical twilight ends at 18:26, astronomical twilight begins at 05:05, astronomical twilight ends at 18:56.

Sunrise
06:30
Sunset
17:31
Solar Noon
12:01
Day Length
11:00
Civil Twilight Begin
06:05
Civil Twilight End
17:56

Temperature Analysis

In Nagano, Japan region, the lowest temperature occurs in February 2025, with an average temperature of about -0.7°C.

The highest temperature occurs in July 2025, with a maximum temperature of up to 27.5°C.

Based on historical data, the average temperature in January is 0.1°C, February is -0.7°C, March is 5.7°C, April is 12°C, May is 16.6°C, June is 22.6°C, July is 27.5°C, August is 27°C, September is 22.7°C, October is 15.6°C, November is 7.9°C, December is 3°C.

Wind Analysis

In Nagano, Japan region, the lowest wind speed occurs in January 2025, with an average wind speed of about 29.4 km/h.

The highest wind speed occurs in April 2025, with a maximum wind speed of up to 43.1 km/h.

Based on historical data, the average wind speed in January is 29.4 km/h, February is 31.8 km/h, March is 42.5 km/h, April is 43.1 km/h, May is 40.2 km/h, June is 34.3 km/h, July is 36.3 km/h, August is 40.4 km/h, September is 35.6 km/h, October is 33.6 km/h, November is 30.9 km/h, December is 31 km/h.

Sunshine Duration Analysis

In Nagano, Japan region, the lowest sunshine duration occurs in December 2025, with an average sunshine duration of about 6.6 hours.

The highest sunshine duration occurs in July 2025, with a maximum sunshine duration of up to 12 hours.

Based on historical data, the average sunshine duration in January is 7.4 hours, February is 8.3 hours, March is 7.1 hours, April is 9.4 hours, May is 8.7 hours, June is 9.4 hours, July is 12 hours, August is 10.8 hours, September is 8.8 hours, October is 7 hours, November is 7.8 hours, December is 6.6 hours.

Precipitation Analysis

In Nagano, Japan region, the lowest precipitation occurs in January 2025, with an average precipitation of about 1.8 mm.

The highest precipitation occurs in June 2025, with a maximum precipitation of up to 5.3 mm.

Based on historical data, the average precipitation in January is 1.8 mm, February is 3.7 mm, March is 2.9 mm, April is 2.2 mm, May is 4.2 mm, June is 5.3 mm, July is 2.7 mm, August is 2.9 mm, September is 4.1 mm, October is 4.5 mm, November is 2.1 mm, December is 4.9 mm.

Total Precipitation: 1236.5 mm
Total Snowfall: 176.4 cm

Recent 12 Months