Climate Insights for Monbetsu-honchō

Saru-gun, Hokkaido, Japan

Hottest
August
24°C peak
Coldest
January
-6°C low
Wettest
August
176mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Monbetsu-honchō is cool. The average annual temperature is 9°C and approximately 1244mm of precipitation falls per year. Monbetsu-honchō receives a notable amount of rainfall throughout the year, including during its driest month. Monbetsu-honchō 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. Snowfall occurs from January to December, with around 119cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -1° Average: -3° Min: -6° Feb Max: 0° Average: -3° Min: -6° Mar Max: 5° Average: 2° Min: -1° Apr Max: 9° Average: 7° Min: 4° May Max: 14° Average: 12° Min: 9° Jun Max: 17° Average: 15° Min: 13° Jul Max: 22° Average: 20° Min: 18° Aug Max: 24° Average: 21° Min: 20° Sep Max: 21° Average: 18° Min: 16° Oct Max: 15° Average: 12° Min: 9° Nov Max: 8° Average: 6° Min: 3° Dec Max: 2° Average: -1° Min: -3°
Max
Average
Min

Temperatures in Monbetsu-honchō vary considerably across the year, with a 30°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 21°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between November and December, with a 6°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: 51mm Snow: 33mm Feb Precipitation: 54mm Snow: 30mm Mar Precipitation: 87mm Snow: 22mm Apr Precipitation: 98mm Snow: 5mm May Precipitation: 94mm Snow: 0mm Jun Precipitation: 114mm Snow: 0mm Jul Precipitation: 118mm Snow: 0mm Aug Precipitation: 176mm Snow: 0mm Sep Precipitation: 128mm Snow: 0mm Oct Precipitation: 142mm Snow: 0mm Nov Precipitation: 112mm Snow: 5mm Dec Precipitation: 71mm Snow: 24mm
Precipitation
Snow

Monbetsu-honchō is a fairly wet location, receiving approximately 1244mm of precipitation annually, which averages out to around 104mm per month. The wettest month is August, averaging 176mm of rainfall. October and September also tend to see above-average precipitation. The driest month is January, with just 51mm. That's 126mm 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. Snowfall is a regular feature from January to December, with around 119cm accumulating over the season. January typically sees the most snow at around 33cm.

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: 23km/h Feb Wind Speed: 22km/h Mar Wind Speed: 22km/h Apr Wind Speed: 22km/h May Wind Speed: 19km/h Jun Wind Speed: 17km/h Jul Wind Speed: 15km/h Aug Wind Speed: 16km/h Sep Wind Speed: 18km/h Oct Wind Speed: 21km/h Nov Wind Speed: 23km/h Dec Wind Speed: 24km/h
Wind Speed

Monbetsu-honchō is moderately windy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/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 23km/h in winter, 21km/h in spring, 16km/h in summer, 21km/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 Monbetsu-honchō, which began on March 20, 2026. Monbetsu-honchō 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 24°C, while the coldest stretch bottoms out in January near -6°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from -1 to 14°C. Precipitation is moderate at around 278mm for the season, averaging 93mm per month. Winds are moderate at around 21km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 24°C. Rainfall is heavy, totalling around 408mm across the season with a monthly average of 136mm. Winds are moderate at around 16km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 3 to 21°C. Rainfall is heavy, totalling around 382mm across the season with a monthly average of 127mm. Expect around 6cm of snow accumulation during this period. Winds are moderate at around 21km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -6 to 2°C. Precipitation is moderate at around 176mm for the season, averaging 59mm per month. Expect around 87cm of snow accumulation during this period. Winds are moderate at around 23km/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 Monbetsu-honchō 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
23 km/h
51 mm
33 cm
Feb
-6 °C
0 °C
22 km/h
54 mm
30 cm
Mar Current
-1 °C
5 °C
22 km/h
87 mm
22 cm
Apr
4 °C
9 °C
22 km/h
98 mm
5 cm
May
9 °C
14 °C
19 km/h
94 mm
0 cm
Jun
13 °C
17 °C
17 km/h
114 mm
0 cm
Jul
18 °C
22 °C
15 km/h
118 mm
0 cm
Aug
20 °C
24 °C
16 km/h
176 mm
0 cm
Sep
16 °C
21 °C
18 km/h
128 mm
0 cm
Oct
9 °C
15 °C
21 km/h
142 mm
0 cm
Nov
3 °C
8 °C
23 km/h
112 mm
5 cm
Dec
-3 °C
2 °C
24 km/h
71 mm
24 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)