Climate Insights for Nakagawa

Ōnuma-gun, Fukushima-ken, Japan

Hottest
August
28°C peak
Coldest
January
-4°C low
Wettest
December
243mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Nakagawa is temperate. The average annual temperature is 11°C and approximately 2069mm of precipitation falls per year. Nakagawa receives a notable amount of rainfall throughout the year, including during its driest month. Nakagawa 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 -4°C. Nakagawa 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: 2° Average: -1° Min: -4° Feb Max: 3° Average: 0° Min: -3° Mar Max: 7° Average: 3° Min: 0° Apr Max: 15° Average: 10° Min: 5° May Max: 21° Average: 16° Min: 11° Jun Max: 23° Average: 19° Min: 16° Jul Max: 27° Average: 23° Min: 21° Aug Max: 28° Average: 24° Min: 21° Sep Max: 24° Average: 20° Min: 17° Oct Max: 18° Average: 13° Min: 10° Nov Max: 12° Average: 8° Min: 4° Dec Max: 4° Average: 1° Min: -1°
Max
Average
Min

Temperatures in Nakagawa vary considerably across the year, with a 32°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 24°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is -1°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: 239mm Snow: 144mm Feb Precipitation: 184mm Snow: 103mm Mar Precipitation: 158mm Snow: 56mm Apr Precipitation: 134mm Snow: 10mm May Precipitation: 117mm Snow: 0mm Jun Precipitation: 154mm Snow: 0mm Jul Precipitation: 216mm Snow: 0mm Aug Precipitation: 177mm Snow: 0mm Sep Precipitation: 155mm Snow: 0mm Oct Precipitation: 138mm Snow: 0mm Nov Precipitation: 155mm Snow: 17mm Dec Precipitation: 243mm Snow: 116mm
Precipitation
Snow

Nakagawa is a very wet location, receiving approximately 2069mm of precipitation annually, which averages out to around 172mm per month. The wettest month is December, averaging 243mm of rainfall. January and July also tend to see above-average precipitation. The driest month is May, with just 117mm. That's 126mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Nakagawa receives heavy snowfall, accumulating around 445cm annually from January through December. The snowiest month is January, with approximately 144cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 17km/h Feb Wind Speed: 17km/h Mar Wind Speed: 16km/h Apr Wind Speed: 15km/h May Wind Speed: 13km/h Jun Wind Speed: 12km/h Jul Wind Speed: 10km/h Aug Wind Speed: 10km/h Sep Wind Speed: 11km/h Oct Wind Speed: 13km/h Nov Wind Speed: 14km/h Dec Wind Speed: 15km/h
Wind Speed

Nakagawa is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/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 16km/h in winter, 15km/h in spring, 11km/h in summer, 13km/h in autumn.

Seasons

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

88 days until Summer

It is currently spring in Nakagawa, which began on March 20, 2026. Nakagawa 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 -4°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 0 to 21°C. Rainfall is heavy, totalling around 408mm across the season with a monthly average of 136mm. Winds are generally light, averaging 15km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 16 to 28°C. Rainfall is heavy, totalling around 547mm across the season with a monthly average of 182mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 4 to 24°C. Rainfall is heavy, totalling around 449mm across the season with a monthly average of 150mm. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -4 to 4°C. Rainfall is heavy, totalling around 665mm across the season with a monthly average of 222mm. Expect around 363cm of snow accumulation during this period. Winds are moderate at around 16km/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 Nakagawa 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
-4 °C
2 °C
17 km/h
239 mm
144 cm
Feb
-3 °C
3 °C
17 km/h
184 mm
103 cm
Mar Current
0 °C
7 °C
16 km/h
158 mm
56 cm
Apr
5 °C
15 °C
15 km/h
134 mm
10 cm
May
11 °C
21 °C
13 km/h
117 mm
0 cm
Jun
16 °C
23 °C
12 km/h
154 mm
0 cm
Jul
21 °C
27 °C
10 km/h
216 mm
0 cm
Aug
21 °C
28 °C
10 km/h
177 mm
0 cm
Sep
17 °C
24 °C
11 km/h
155 mm
0 cm
Oct
10 °C
18 °C
13 km/h
138 mm
0 cm
Nov
4 °C
12 °C
14 km/h
155 mm
17 cm
Dec
-1 °C
4 °C
15 km/h
243 mm
116 cm
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Metric (°C, km/h)