Climate Insights for Inatori

Kamo-gun, Shizuoka, Japan

Hottest
August
28°C peak
Coldest
January
7°C low
Wettest
June
348mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Inatori is temperate. The average annual temperature is 17°C and approximately 2441mm of precipitation falls per year. Inatori receives a notable amount of rainfall throughout the year, including during its driest month. Inatori 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 7°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 10° Average: 9° Min: 7° Feb Max: 11° Average: 9° Min: 7° Mar Max: 13° Average: 12° Min: 10° Apr Max: 16° Average: 15° Min: 13° May Max: 20° Average: 18° Min: 17° Jun Max: 22° Average: 21° Min: 20° Jul Max: 26° Average: 25° Min: 24° Aug Max: 28° Average: 26° Min: 25° Sep Max: 25° Average: 24° Min: 23° Oct Max: 21° Average: 20° Min: 19° Nov Max: 17° Average: 16° Min: 15° Dec Max: 13° Average: 11° Min: 10°
Max
Average
Min

Temperatures in Inatori vary considerably across the year, with a 21°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 26°C. January is the coolest month, with minimum temperatures around 7°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 89mm Snow: 1mm Feb Precipitation: 121mm Snow: 0mm Mar Precipitation: 200mm Snow: 0mm Apr Precipitation: 209mm Snow: 0mm May Precipitation: 218mm Snow: 0mm Jun Precipitation: 348mm Snow: 0mm Jul Precipitation: 271mm Snow: 0mm Aug Precipitation: 199mm Snow: 0mm Sep Precipitation: 282mm Snow: 0mm Oct Precipitation: 233mm Snow: 0mm Nov Precipitation: 185mm Snow: 0mm Dec Precipitation: 85mm Snow: 0mm
Precipitation
Snow

Inatori is a very wet location, receiving approximately 2441mm of precipitation annually, which averages out to around 203mm per month. The wettest month is June, averaging 348mm of rainfall. September and July also tend to see above-average precipitation. The driest month is December, with just 85mm. That's 263mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h 35km/h 40km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 37km/h Feb Wind Speed: 36km/h Mar Wind Speed: 34km/h Apr Wind Speed: 32km/h May Wind Speed: 28km/h Jun Wind Speed: 27km/h Jul Wind Speed: 26km/h Aug Wind Speed: 26km/h Sep Wind Speed: 30km/h Oct Wind Speed: 32km/h Nov Wind Speed: 32km/h Dec Wind Speed: 37km/h
Wind Speed

Inatori is very windy, with an average annual wind speed of 31km/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 37km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 26km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/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 37km/h in winter, 31km/h in spring, 26km/h in summer, 31km/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 Inatori, which began on March 20, 2026. Inatori 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 7°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 10 to 20°C. Rainfall is heavy, totalling around 627mm across the season with a monthly average of 209mm. Winds are strong, averaging 31km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 20 to 28°C. Rainfall is heavy, totalling around 819mm across the season with a monthly average of 273mm. Winds are strong, averaging 26km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 15 to 25°C. Rainfall is heavy, totalling around 700mm across the season with a monthly average of 233mm. Winds are strong, averaging 31km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 7 to 13°C. Precipitation is moderate at around 296mm for the season, averaging 99mm per month. Winds are strong, averaging 37km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Inatori 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. 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
7 °C
10 °C
37 km/h
89 mm
1 cm
Feb
7 °C
11 °C
36 km/h
121 mm
0 cm
Mar Current
10 °C
13 °C
34 km/h
200 mm
0 cm
Apr
13 °C
16 °C
32 km/h
209 mm
0 cm
May
17 °C
20 °C
28 km/h
218 mm
0 cm
Jun
20 °C
22 °C
27 km/h
348 mm
0 cm
Jul
24 °C
26 °C
26 km/h
271 mm
0 cm
Aug
25 °C
28 °C
26 km/h
199 mm
0 cm
Sep
23 °C
25 °C
30 km/h
282 mm
0 cm
Oct
19 °C
21 °C
32 km/h
233 mm
0 cm
Nov
15 °C
17 °C
32 km/h
185 mm
0 cm
Dec
10 °C
13 °C
37 km/h
85 mm
0 cm
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Metric (°C, km/h)