Climate Insights for Awano

Shimoina-gun, Nagano-ken, Japan

Hottest
August
28°C peak
Coldest
January
-5°C low
Wettest
July
363mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Awano is temperate. The average annual temperature is 11°C and approximately 2338mm of precipitation falls per year. Awano receives a notable amount of rainfall throughout the year, including during its driest month. Awano is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to -5°C. Snowfall occurs from January to December, with around 109cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 3° Average: -1° Min: -5° Feb Max: 5° Average: 0° Min: -3° Mar Max: 10° Average: 5° Min: 1° Apr Max: 15° Average: 10° Min: 6° May Max: 20° Average: 15° Min: 10° Jun Max: 22° Average: 18° Min: 14° Jul Max: 26° Average: 22° Min: 19° Aug Max: 28° Average: 23° Min: 20° Sep Max: 24° Average: 20° Min: 17° Oct Max: 18° Average: 13° Min: 10° Nov Max: 13° Average: 8° Min: 4° Dec Max: 6° Average: 2° Min: -1°
Max
Average
Min

Temperatures in Awano vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 100mm Snow: 33mm Feb Precipitation: 120mm Snow: 27mm Mar Precipitation: 165mm Snow: 22mm Apr Precipitation: 209mm Snow: 4mm May Precipitation: 215mm Snow: 0mm Jun Precipitation: 280mm Snow: 0mm Jul Precipitation: 363mm Snow: 0mm Aug Precipitation: 219mm Snow: 0mm Sep Precipitation: 252mm Snow: 0mm Oct Precipitation: 195mm Snow: 0mm Nov Precipitation: 125mm Snow: 4mm Dec Precipitation: 97mm Snow: 19mm
Precipitation
Snow

Awano is a very wet location, receiving approximately 2338mm of precipitation annually, which averages out to around 195mm per month. The wettest month is July, averaging 363mm of rainfall. June and September also tend to see above-average precipitation. The driest month is December, with just 97mm. That's 267mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 109cm accumulating over the season. January typically sees the most snow at around 33cm.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 11km/h Feb Wind Speed: 12km/h Mar Wind Speed: 12km/h Apr Wind Speed: 12km/h May Wind Speed: 11km/h Jun Wind Speed: 10km/h Jul Wind Speed: 9km/h Aug Wind Speed: 9km/h Sep Wind Speed: 9km/h Oct Wind Speed: 9km/h Nov Wind Speed: 9km/h Dec Wind Speed: 10km/h
Wind Speed

Awano is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 11km/h in spring, 9km/h in summer, 9km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Awano, which began on March 20, 2026. Awano is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 28°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 1 to 20°C. Rainfall is heavy, totalling around 588mm across the season with a monthly average of 196mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 28°C. Rainfall is heavy, totalling around 863mm across the season with a monthly average of 288mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 4 to 24°C. Rainfall is heavy, totalling around 571mm across the season with a monthly average of 190mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -5 to 6°C. Rainfall is heavy, totalling around 316mm across the season with a monthly average of 105mm. Expect around 78cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Awano based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-5 °C
3 °C
11 km/h
100 mm
33 cm
Feb
-3 °C
5 °C
12 km/h
120 mm
27 cm
Mar Current
1 °C
10 °C
12 km/h
165 mm
22 cm
Apr
6 °C
15 °C
12 km/h
209 mm
4 cm
May
10 °C
20 °C
11 km/h
215 mm
0 cm
Jun
14 °C
22 °C
10 km/h
280 mm
0 cm
Jul
19 °C
26 °C
9 km/h
363 mm
0 cm
Aug
20 °C
28 °C
9 km/h
219 mm
0 cm
Sep
17 °C
24 °C
9 km/h
252 mm
0 cm
Oct
10 °C
18 °C
9 km/h
195 mm
0 cm
Nov
4 °C
13 °C
9 km/h
125 mm
4 cm
Dec
-1 °C
6 °C
10 km/h
97 mm
19 cm
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Metric (°C, km/h)