Nojiri Ko

Lake Alpine lake in Nagano Prefecture, scenic recreation

Lake Nojiri in Nagano offers anglers, boaters and summer festival crowds a freshwater retreat; expect fishing, rental boats, cycling around the shore and a local museum of prehistoric finds.

Main image
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230806 Lake Nojiri view from Nojiriko Terrace Shinano Nagano pref Japan01s3.jpg
230806 Lake Nojiri view from Nojiriko Terrace Shinano Nagano pref Japan02s3.jpg
230806 Lake Nojiri view from Nojiriko Terrace Shinano Nagano pref Japan03s3.jpg
230806 Lake Nojiri view from Nojiriko Terrace Shinano Nagano pref Japan04s3.jpg
230806 Lake Nojiri view from Nojiriko Terrace Shinano Nagano pref Japan05s3.jpg
230807 Lake Nojiri Shinano Nagano pref Japan01s3.jpg
230807 Lake Nojiri Shinano Nagano pref Japan02s3.jpg
230807 Lake Nojiri Shinano Nagano pref Japan03s3.jpg
230808 Lake Nojiri view from Nojiriko Terrace Shinano Nagano pref Japan01s3.jpg
Nojiri Ko
Nojiri-ko (Lake Nojiri), Shinano/Nojiri area, Nagano Prefecture, Japan
36.8255, 138.2225

How to Get to Nojiri Ko #

Accessible by local bus or car from Komoro or Ueda stations in Nagano Prefecture; regional bus timetables vary seasonally and local taxis provide closer shore access.

Tips for Visiting Nojiri Ko #

  • If visiting for birdwatching or autumn colors, check local forecasts-the area's altitude changes color fast in fall.
  • Combine a visit with nearby mountain passes and small inns serving soba or local mountain cuisine.
  • Expect limited services on the lake shore; stock up in towns like Ueda or Komoro.

Best Time to Visit Nojiri Ko #

Summer for boating and fishing; autumn for foliage and peaceful walks.

Summer
Jun-Aug · 18-28°C (64-82°F)
Warm weather, popular for boating and fishing.
Autumn
Sep-Nov · 5-18°C (41-64°F)
Clear air and dramatic foliage around the lake; quieter than summer.

Weather & Climate near Nojiri Ko #

Climate

Nojiri Ko's climate is classified as Hot-Summer Continental - Hot-Summer Continental climate with warm summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -7°C to 28°C. Abundant rainfall (1328 mm/year), wettest in July.

Best Time to Visit
AugustMayJuly
Temperature & Rainfall
Temperature Range
33°
Warmest Month
-11°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of 2°C and lows of -7°C. Regular rainfall (96 mm) and partly cloudy skies.

37 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-7°
90%
Humidity
Very Humid

Weather

96 mm
Rainfall
3.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.8h daylight

February

February is freezing with highs of 2°C and lows of -7°C. Regular rainfall (82 mm) and partly cloudy skies.

37 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-7°
87%
Humidity
Very Humid

Weather

82 mm
Rainfall
3.4 m/s
Wind
Light Breeze
0.5
UV Index
Moderate
10.7h daylight

March

March is cold with highs of 6°C and lows of -4°C. Regular rainfall (84 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-4°
82%
Humidity
Very Humid

Weather

84 mm
Rainfall
3.5 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 14°C and lows of 3°C. Regular rainfall (80 mm) and partly cloudy skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
14°
77%
Humidity
Very Humid

Weather

80 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.2
UV Index
High
13.0h daylight

May

May is cool with highs of 20°C and lows of 8°C. Regular rainfall (94 mm) and partly cloudy skies.

66 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
20°
77%
Humidity
Very Humid

Weather

94 mm
Rainfall
3.2 m/s
Wind
Light Breeze
1.5
UV Index
High
14.0h daylight

June

June is cool with highs of 22°C and lows of 13°C. Significant rainfall (148 mm) and mostly overcast skies.

65 Good

Comfort

18°
Feels Like Cool
18°C
Temperature
13° 22°
81%
Humidity
Very Humid

Weather

148 mm
Rainfall
2.8 m/s
Wind
Calm
1.5
UV Index
Very High
14.5h daylight

July

July is mild with highs of 26°C and lows of 18°C. The wettest month with heavy rain (168 mm) and mostly overcast skies.

66 Good

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 26°
84%
Humidity
Very Humid

Weather

168 mm
Rainfall
3.0 m/s
Wind
Light Breeze
1.6
UV Index
Very High
14.2h daylight

August

August is the warmest month with highs of 28°C and lows of 19°C. Significant rainfall (124 mm) and mostly overcast skies.

72 Very Good

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 28°
82%
Humidity
Very Humid

Weather

124 mm
Rainfall
3.3 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.4h daylight

September

September is mild with highs of 23°C and lows of 15°C. Significant rainfall (166 mm) and mostly overcast skies.

65 Good

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 23°
83%
Humidity
Very Humid

Weather

166 mm
Rainfall
2.9 m/s
Wind
Calm
1.2
UV Index
High
12.3h daylight

October

October is cool with highs of 17°C and lows of 8°C. Significant rainfall (115 mm) and partly cloudy skies.

64 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
17°
82%
Humidity
Very Humid

Weather

115 mm
Rainfall
3.1 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
11.1h daylight

November

November is cold with highs of 11°C and lows of 2°C. Regular rainfall (86 mm) and partly cloudy skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
84%
Humidity
Very Humid

Weather

86 mm
Rainfall
3.5 m/s
Wind
Light Breeze
0.5
UV Index
Low
10.1h daylight

December

December is cold with highs of 5°C and lows of -3°C. Regular rainfall (85 mm) and partly cloudy skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-3°
88%
Humidity
Very Humid

Weather

85 mm
Rainfall
3.2 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.6h daylight

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