Climate Insights for Maebashi

Maebashi Shi, Gunma-ken, Japan

Hottest
August
29°C peak
Coldest
January
-2°C low
Wettest
July
223mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Maebashi is temperate. The average annual temperature is 13°C and approximately 1588mm of precipitation falls per year. Maebashi receives a notable amount of rainfall throughout the year, including during its driest month. Maebashi 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 -2°C. Snowfall occurs from January to December, with around 71cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 6° Average: 2° Min: -2° Feb Max: 7° Average: 3° Min: -1° Mar Max: 12° Average: 7° Min: 3° Apr Max: 17° Average: 12° Min: 8° May Max: 22° Average: 17° Min: 13° Jun Max: 24° Average: 20° Min: 17° Jul Max: 28° Average: 24° Min: 21° Aug Max: 29° Average: 25° Min: 22° Sep Max: 25° Average: 21° Min: 18° Oct Max: 19° Average: 15° Min: 12° Nov Max: 14° Average: 10° Min: 6° Dec Max: 9° Average: 4° Min: 1°
Max
Average
Min

Temperatures in Maebashi vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 2°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 67mm Snow: 25mm Feb Precipitation: 65mm Snow: 19mm Mar Precipitation: 118mm Snow: 14mm Apr Precipitation: 133mm Snow: 2mm May Precipitation: 135mm Snow: 0mm Jun Precipitation: 171mm Snow: 0mm Jul Precipitation: 223mm Snow: 0mm Aug Precipitation: 180mm Snow: 0mm Sep Precipitation: 193mm Snow: 0mm Oct Precipitation: 179mm Snow: 0mm Nov Precipitation: 78mm Snow: 2mm Dec Precipitation: 47mm Snow: 9mm
Precipitation
Snow

Maebashi is a fairly wet location, receiving approximately 1588mm of precipitation annually, which averages out to around 132mm per month. The wettest month is July, averaging 223mm of rainfall. September and August also tend to see above-average precipitation. The driest month is December, with just 47mm. That's 175mm 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 71cm accumulating over the season. January typically sees the most snow at around 25cm.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 15km/h Feb Wind Speed: 15km/h Mar Wind Speed: 14km/h Apr Wind Speed: 13km/h May Wind Speed: 11km/h Jun Wind Speed: 10km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 9km/h Oct Wind Speed: 10km/h Nov Wind Speed: 11km/h Dec Wind Speed: 13km/h
Wind Speed

Maebashi is relatively calm, with an average annual wind speed of 12km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 14km/h in winter, 13km/h in spring, 9km/h in summer, 10km/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 Maebashi, which began on March 20, 2026. Maebashi 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 29°C, while the coldest stretch bottoms out in January near -2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 3 to 22°C. Rainfall is heavy, totalling around 385mm across the season with a monthly average of 128mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 17 to 29°C. Rainfall is heavy, totalling around 573mm across the season with a monthly average of 191mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 6 to 25°C. Rainfall is heavy, totalling around 450mm across the season with a monthly average of 150mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -2 to 9°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Expect around 53cm of snow accumulation during this period. Winds are generally light, averaging 14km/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 Maebashi 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
-2 °C
6 °C
15 km/h
67 mm
25 cm
Feb
-1 °C
7 °C
15 km/h
65 mm
19 cm
Mar Current
3 °C
12 °C
14 km/h
118 mm
14 cm
Apr
8 °C
17 °C
13 km/h
133 mm
2 cm
May
13 °C
22 °C
11 km/h
135 mm
0 cm
Jun
17 °C
24 °C
10 km/h
171 mm
0 cm
Jul
21 °C
28 °C
8 km/h
223 mm
0 cm
Aug
22 °C
29 °C
8 km/h
180 mm
0 cm
Sep
18 °C
25 °C
9 km/h
193 mm
0 cm
Oct
12 °C
19 °C
10 km/h
179 mm
0 cm
Nov
6 °C
14 °C
11 km/h
78 mm
2 cm
Dec
1 °C
9 °C
13 km/h
47 mm
9 cm
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Metric (°C, km/h)