Climate Insights for Nakagawa

Nakagawa Gun, Hokkaido, Japan

Hottest
August
23°C peak
Coldest
January
-11°C low
Wettest
August
158mm rain
Best to Visit
September
Mild temps & low rain

Climate Overview

The climate in Nakagawa is cool. The average annual temperature is 6°C and approximately 1202mm 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 -11°C. Nakagawa experiences heavy snowfall, typically from January through December.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -4° Average: -8° Min: -11° Feb Max: -3° Average: -6° Min: -10° Mar Max: 3° Average: 0° Min: -4° Apr Max: 9° Average: 5° Min: 2° May Max: 15° Average: 11° Min: 7° Jun Max: 18° Average: 14° Min: 11° Jul Max: 23° Average: 19° Min: 16° Aug Max: 23° Average: 20° Min: 17° Sep Max: 20° Average: 16° Min: 12° Oct Max: 13° Average: 9° Min: 6° Nov Max: 5° Average: 2° Min: -1° Dec Max: -2° Average: -5° Min: -8°
Max
Average
Min

Temperatures in Nakagawa vary considerably across the year, with a 34°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 20°C. The coldest month is January, when overnight lows fall to -11°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 78mm Snow: 62mm Feb Precipitation: 61mm Snow: 45mm Mar Precipitation: 73mm Snow: 40mm Apr Precipitation: 75mm Snow: 19mm May Precipitation: 87mm Snow: 1mm Jun Precipitation: 106mm Snow: 0mm Jul Precipitation: 112mm Snow: 0mm Aug Precipitation: 158mm Snow: 0mm Sep Precipitation: 99mm Snow: 0mm Oct Precipitation: 133mm Snow: 5mm Nov Precipitation: 127mm Snow: 37mm Dec Precipitation: 92mm Snow: 62mm
Precipitation
Snow

Nakagawa is a fairly wet location, receiving approximately 1202mm of precipitation annually, which averages out to around 100mm per month. The wettest month is August, averaging 158mm of rainfall. October and November also tend to see above-average precipitation. The driest month is February, with just 61mm. That's 97mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Nakagawa receives heavy snowfall, accumulating around 272cm annually from January through December. The snowiest month is December, with approximately 62cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 17km/h Feb Wind Speed: 19km/h Mar Wind Speed: 20km/h Apr Wind Speed: 21km/h May Wind Speed: 19km/h Jun Wind Speed: 16km/h Jul Wind Speed: 14km/h Aug Wind Speed: 15km/h Sep Wind Speed: 16km/h Oct Wind Speed: 20km/h Nov Wind Speed: 21km/h Dec Wind Speed: 19km/h
Wind Speed

Nakagawa is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 14km/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 18km/h in winter, 20km/h in spring, 15km/h in summer, 19km/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 23°C, while the coldest stretch bottoms out in January near -11°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from -4 to 15°C. Precipitation is moderate at around 236mm for the season, averaging 79mm per month. Winds are moderate at around 20km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 11 to 23°C. Rainfall is heavy, totalling around 376mm across the season with a monthly average of 125mm. Winds are moderate at around 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -1 to 20°C. Rainfall is heavy, totalling around 359mm across the season with a monthly average of 120mm. Expect around 43cm of snow accumulation during this period. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -11 to -2°C. Precipitation is moderate at around 231mm for the season, averaging 77mm per month. Expect around 169cm of snow accumulation during this period. Winds are moderate at around 18km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -8°
Feb -6°
Mar
Apr
May 11°
Jun 14°
Jul 19°
Aug 20°
Sep 16°
Oct
Nov
Dec -5°

The best time to visit Nakagawa is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 99mm per month. By contrast, August can be uncomfortably hot with highs reaching 23°C, while January is the coldest period with lows dropping to -11°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

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
-11 °C
-4 °C
17 km/h
78 mm
62 cm
Feb
-10 °C
-3 °C
19 km/h
61 mm
45 cm
Mar Current
-4 °C
3 °C
20 km/h
73 mm
40 cm
Apr
2 °C
9 °C
21 km/h
75 mm
19 cm
May
7 °C
15 °C
19 km/h
87 mm
1 cm
Jun
11 °C
18 °C
16 km/h
106 mm
0 cm
Jul
16 °C
23 °C
14 km/h
112 mm
0 cm
Aug
17 °C
23 °C
15 km/h
158 mm
0 cm
Sep
12 °C
20 °C
16 km/h
99 mm
0 cm
Oct
6 °C
13 °C
20 km/h
133 mm
5 cm
Nov
-1 °C
5 °C
21 km/h
127 mm
37 cm
Dec
-8 °C
-2 °C
19 km/h
92 mm
62 cm
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Metric (°C, km/h)