Weather hour by hour (periods) in Nagano , Japan

Day

generally clear with frost at morning

Night

frost and snow showers and snow/rain mix at times

Day

snow/rain mix till morning, chance for light rain at afternoon

Night

rain showers

Day

rain showers

Night

rain showers and snow/rain mix and snow showers at times

-2°

Day

snow showers

-2°

Night

snow showers, frost at dawn

-11°

Day

frost

-3°

Night

frost, chance for light snow at dawn

-9°

Day

light snow till morning followed by frost

Night

frost

-6°

Day

frost at morning

Night

frost from midnight

-3°

Day

light rain and chance for snow/rain mix at times

Night

snow showers and frost and chance for snow/rain mix at times

Day

cold

Night

snow showers

-3°

Dawn

Frost

Frost

-4°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Frost

Frost

Night

Mostly Cloudy with Snow Showers

Mostly Cloudy with Snow Showers

Night Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Dawn

North-west

2km/h

Morning

Southwestern

5km/h

Noon

Southwestern

6km/h

Afternoon

Southwestern

3km/h

Evening

Southern

4km/h

Night

Southern

4km/h

Dawn

Relative Humidity

75%

Morning

Relative Humidity

47%

Noon

Relative Humidity

36%

Afternoon

Relative Humidity

37%

Evening

Relative Humidity

67%

Night

Relative Humidity

77%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

98%

Dawn

Sleet

Sleet

Morning

Sleet

Sleet

Noon

Overcast

Overcast

Afternoon

Light Rain

Light Rain

Evening

Rain Showers

Rain Showers

Night

Mostly Cloudy with Rain Showers

Mostly Cloudy with Rain Showers

Day Sleet is expected / Risk of slippery roads.

Sleet is expected / Risk of slippery roads.

Dawn

Southwestern

4km/h

Morning

Southwestern

6km/h

Noon

Southwestern

6km/h

Afternoon

Southwestern

4km/h

Evening

Southwestern

1km/h

Night

Southwestern

1km/h

Dawn

Relative Humidity

95%

Morning

Relative Humidity

82%

Noon

Relative Humidity

66%

Afternoon

Relative Humidity

71%

Evening

Relative Humidity

86%

Night

Relative Humidity

86%

Dawn

Precipitation Probability

98%

Morning

Precipitation Probability

96%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

99%

Dawn

Rain Showers

Rain Showers

Morning

Rain Showers

Rain Showers

Noon

Rain Showers

Rain Showers

Afternoon

Rain Showers

Rain Showers

Evening

Rain Showers

Rain Showers

Night

Sleet

Sleet

Dawn

North-west

1km/h

Morning

North-west

4km/h

Noon

Northern

5km/h

Afternoon

Northern

6km/h

Evening

Northern

3km/h

Night

North-west

9km/h

Dawn

Relative Humidity

88%

Morning

Relative Humidity

88%

Noon

Relative Humidity

93%

Afternoon

Relative Humidity

95%

Evening

Relative Humidity

95%

Night

Relative Humidity

96%

Dawn

Precipitation Probability

99%

Morning

Precipitation Probability

99%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

98%

Evening

Precipitation Probability

98%

Night

Precipitation Probability

99%

Dawn

Sleet

Sleet

-2°

Morning

Mostly Cloudy with Snow Showers

Mostly Cloudy with Snow Showers

-2°

Noon

Mostly Cloudy with Snow Showers

Mostly Cloudy with Snow Showers

-3°

Afternoon

Mostly Cloudy with Snow Showers

Mostly Cloudy with Snow Showers

-5°

Evening

Mostly Cloudy with Snow Showers

Mostly Cloudy with Snow Showers

-9°

Night

Scattered snow

Scattered snow

-11°

Day Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Night Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Dawn

Southern

11km/h

Morning

Southwestern

5km/h

Noon

Northern

10km/h

Afternoon

Northern

9km/h

Evening

Northern

6km/h

Night

North-west

4km/h

Dawn

Relative Humidity

73%

Morning

Relative Humidity

77%

Noon

Relative Humidity

81%

Afternoon

Relative Humidity

77%

Evening

Relative Humidity

83%

Night

Relative Humidity

83%

Dawn

Precipitation Probability

98%

Morning

Precipitation Probability

99%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

95%

Night

Precipitation Probability

85%

Dawn

Scattered snow

Scattered snow

-11°

Morning

Frost

Frost

-8°

Noon

Frost

Frost

-3°

Afternoon

Frost

Frost

-3°

Evening

Frost

Frost

-8°

Night

Frost

Frost

-9°

Day Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Dawn

North-west

2km/h

Morning

Southwestern

0km/h

Noon

Eastern

2km/h

Afternoon

Northeastern

4km/h

Evening

Northern

2km/h

Night

Southwestern

2km/h

Dawn

Relative Humidity

83%

Morning

Relative Humidity

66%

Noon

Relative Humidity

56%

Afternoon

Relative Humidity

57%

Evening

Relative Humidity

78%

Night

Relative Humidity

80%

Dawn

Precipitation Probability

69%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-8°

Morning

Scattered snow

Scattered snow

-3°

Noon

Frost

Frost

Afternoon

Frost

Frost

Evening

Frost

Frost

-3°

Night

Frost

Frost

-5°

Day Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Night Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Dawn

Southern

2km/h

Morning

Northeastern

1km/h

Noon

Southeastern

1km/h

Afternoon

Eastern

2km/h

Evening

Northeastern

1km/h

Night

Southern

1km/h

Dawn

Relative Humidity

81%

Morning

Relative Humidity

68%

Noon

Relative Humidity

57%

Afternoon

Relative Humidity

56%

Evening

Relative Humidity

75%

Night

Relative Humidity

76%

Dawn

Precipitation Probability

45%

Morning

Precipitation Probability

66%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-6°

Morning

Frost

Frost

-1°

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Very Cold

Very Cold

-2°

Night

Frost

Frost

-3°

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Night Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Dawn

Southwestern

3km/h

Morning

Southwestern

3km/h

Noon

Southwestern

3km/h

Afternoon

Southern

3km/h

Evening

Southern

4km/h

Night

Southern

4km/h

Dawn

Relative Humidity

72%

Morning

Relative Humidity

63%

Noon

Relative Humidity

54%

Afternoon

Relative Humidity

49%

Evening

Relative Humidity

49%

Night

Relative Humidity

66%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-3°

Morning

Sleet

Sleet

Noon

Mostly Cloudy with Light Rain

Mostly Cloudy with Light Rain

Afternoon

Chance for Sleet

Chance for Sleet

Evening

Scattered snow

Scattered snow

Night

Scattered snow

Scattered snow

Night Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Dawn

Southern

3km/h

Morning

Southwestern

1km/h

Noon

Northern

2km/h

Afternoon

Northeastern

4km/h

Evening

Northern

6km/h

Night

Northern

6km/h

Dawn

Relative Humidity

78%

Morning

Relative Humidity

71%

Noon

Relative Humidity

66%

Afternoon

Relative Humidity

63%

Evening

Relative Humidity

69%

Night

Relative Humidity

74%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

73%

Noon

Precipitation Probability

74%

Afternoon

Precipitation Probability

74%

Evening

Precipitation Probability

69%

Night

Precipitation Probability

68%

Dawn

Scattered snow

Scattered snow

Morning

Very Cold

Very Cold

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Scattered snow

Scattered snow

-1°

Night

Scattered snow

Scattered snow

-3°

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Night Intermittent snow expected / Risk of slippery roads.

Intermittent snow expected / Risk of slippery roads.

Dawn

Northern

5km/h

Morning

North-west

1km/h

Noon

Western

1km/h

Afternoon

Western

2km/h

Evening

Western

2km/h

Night

Western

2km/h

Dawn

Relative Humidity

78%

Morning

Relative Humidity

74%

Noon

Relative Humidity

62%

Afternoon

Relative Humidity

55%

Evening

Relative Humidity

54%

Night

Relative Humidity

66%

Dawn

Precipitation Probability

71%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

71%

Night

Precipitation Probability

74%