Climate Insights for Tsukiyono

Tone-gun, Gunma-ken, Japan

Hottest
August
27°C peak
Coldest
January
-6°C low
Wettest
July
210mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Tsukiyono is temperate. The average annual temperature is 10°C and approximately 1667mm of precipitation falls per year. Tsukiyono receives a notable amount of rainfall throughout the year, including during its driest month. Tsukiyono 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 -6°C. Tsukiyono experiences heavy snowfall, typically from January through December.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 1° Average: -2° Min: -6° Feb Max: 2° Average: -2° Min: -5° Mar Max: 7° Average: 3° Min: 0° Apr Max: 13° Average: 9° Min: 4° May Max: 18° Average: 14° Min: 10° Jun Max: 21° Average: 18° Min: 14° Jul Max: 26° Average: 22° Min: 19° Aug Max: 27° Average: 23° Min: 20° Sep Max: 23° Average: 19° Min: 16° Oct Max: 16° Average: 12° Min: 9° Nov Max: 10° Average: 6° Min: 3° Dec Max: 4° Average: 0° Min: -3°
Max
Average
Min

Temperatures in Tsukiyono 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 27°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 109mm Snow: 93mm Feb Precipitation: 98mm Snow: 75mm Mar Precipitation: 127mm Snow: 63mm Apr Precipitation: 130mm Snow: 14mm May Precipitation: 142mm Snow: 0mm Jun Precipitation: 164mm Snow: 0mm Jul Precipitation: 210mm Snow: 0mm Aug Precipitation: 167mm Snow: 0mm Sep Precipitation: 169mm Snow: 0mm Oct Precipitation: 161mm Snow: 0mm Nov Precipitation: 90mm Snow: 15mm Dec Precipitation: 101mm Snow: 69mm
Precipitation
Snow

Tsukiyono is a fairly wet location, receiving approximately 1667mm of precipitation annually, which averages out to around 139mm per month. The wettest month is July, averaging 210mm of rainfall. September and August also tend to see above-average precipitation. The driest month is November, with just 90mm. That's 121mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Tsukiyono receives heavy snowfall, accumulating around 328cm annually from January through December. The snowiest month is January, with approximately 93cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 8km/h Mar Wind Speed: 8km/h Apr Wind Speed: 7km/h May Wind Speed: 6km/h Jun Wind Speed: 5km/h Jul Wind Speed: 4km/h Aug Wind Speed: 5km/h Sep Wind Speed: 5km/h Oct Wind Speed: 6km/h Nov Wind Speed: 6km/h Dec Wind Speed: 7km/h
Wind Speed

Tsukiyono is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8km/h in winter, 7km/h in spring, 5km/h in summer, 6km/h in autumn.

Seasons

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

3 days until Autumn

It is currently summer in Tsukiyono, which began on June 21, 2026. Tsukiyono 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 27°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

Spring

Temperatures range from 0 to 18°C. Rainfall is heavy, totalling around 398mm across the season with a monthly average of 133mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 27°C. Rainfall is heavy, totalling around 541mm across the season with a monthly average of 180mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 3 to 23°C. Rainfall is heavy, totalling around 420mm across the season with a monthly average of 140mm. Expect around 15cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -6 to 4°C. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Expect around 237cm of snow accumulation during this period. Winds are generally light, averaging 8km/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 Tsukiyono 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
-6 °C
1 °C
8 km/h
109 mm
93 cm
Feb
-5 °C
2 °C
8 km/h
98 mm
75 cm
Mar
0 °C
7 °C
8 km/h
127 mm
63 cm
Apr
4 °C
13 °C
7 km/h
130 mm
14 cm
May
10 °C
18 °C
6 km/h
142 mm
0 cm
Jun
14 °C
21 °C
5 km/h
164 mm
0 cm
Jul
19 °C
26 °C
4 km/h
210 mm
0 cm
Aug
20 °C
27 °C
5 km/h
167 mm
0 cm
Sep Current
16 °C
23 °C
5 km/h
169 mm
0 cm
Oct
9 °C
16 °C
6 km/h
161 mm
0 cm
Nov
3 °C
10 °C
6 km/h
90 mm
15 cm
Dec
-3 °C
4 °C
7 km/h
101 mm
69 cm
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Metric (°C, km/h)