Climate Insights for Itō

Itō Shi, Shizuoka, Japan

Hottest
August
30°C peak
Coldest
January
4°C low
Wettest
June
305mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Itō is temperate. The average annual temperature is 17°C and approximately 2144mm of precipitation falls per year. Itō receives a notable amount of rainfall throughout the year, including during its driest month. Itō 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. Light snow can occur between January and November.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 10° Average: 7° Min: 4° Feb Max: 10° Average: 7° Min: 4° Mar Max: 14° Average: 11° Min: 8° Apr Max: 18° Average: 15° Min: 12° May Max: 22° Average: 18° Min: 16° Jun Max: 25° Average: 22° Min: 19° Jul Max: 29° Average: 26° Min: 23° Aug Max: 30° Average: 27° Min: 25° Sep Max: 27° Average: 24° Min: 22° Oct Max: 21° Average: 19° Min: 16° Nov Max: 17° Average: 14° Min: 11° Dec Max: 12° Average: 9° Min: 6°
Max
Average
Min

Temperatures in Itō vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between September and October, 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: 72mm Snow: 4mm Feb Precipitation: 103mm Snow: 4mm Mar Precipitation: 193mm Snow: 3mm Apr Precipitation: 182mm Snow: 0mm May Precipitation: 226mm Snow: 0mm Jun Precipitation: 305mm Snow: 0mm Jul Precipitation: 236mm Snow: 0mm Aug Precipitation: 179mm Snow: 0mm Sep Precipitation: 222mm Snow: 0mm Oct Precipitation: 231mm Snow: 0mm Nov Precipitation: 127mm Snow: 1mm Dec Precipitation: 70mm Snow: 0mm
Precipitation
Snow

Itō is a very wet location, receiving approximately 2144mm of precipitation annually, which averages out to around 179mm per month. The wettest month is June, averaging 305mm of rainfall. July and October also tend to see above-average precipitation. The driest month is December, with just 70mm. That's 235mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between January and November, totalling around 12cm annually. February is the snowiest month with approximately 4cm.

Wind

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

Itō is relatively calm, with an average annual wind speed of 10km/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 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

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

8 days until Autumn

It is currently summer in Itō, which began on June 21, 2026. Itō 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 30°C, while the coldest stretch bottoms out in January near 4°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

Spring

Temperatures range from 8 to 22°C. Rainfall is heavy, totalling around 600mm across the season with a monthly average of 200mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 19 to 30°C. Rainfall is heavy, totalling around 720mm across the season with a monthly average of 240mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 11 to 27°C. Rainfall is heavy, totalling around 580mm across the season with a monthly average of 193mm. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 4 to 12°C. Precipitation is moderate at around 244mm for the season, averaging 81mm per month. Expect around 8cm of snow accumulation during this period. Winds are generally light, averaging 11km/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 Itō 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
10 °C
11 km/h
72 mm
4 cm
Feb
4 °C
10 °C
11 km/h
103 mm
4 cm
Mar
8 °C
14 °C
10 km/h
193 mm
3 cm
Apr
12 °C
18 °C
10 km/h
182 mm
0 cm
May
16 °C
22 °C
9 km/h
226 mm
0 cm
Jun
19 °C
25 °C
9 km/h
305 mm
0 cm
Jul
23 °C
29 °C
9 km/h
236 mm
0 cm
Aug
25 °C
30 °C
9 km/h
179 mm
0 cm
Sep Current
22 °C
27 °C
10 km/h
222 mm
0 cm
Oct
16 °C
21 °C
10 km/h
231 mm
0 cm
Nov
11 °C
17 °C
9 km/h
127 mm
1 cm
Dec
6 °C
12 °C
10 km/h
70 mm
0 cm
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Metric (°C, km/h)