Climate Insights for Etajima

Etajima-shi, Hiroshima-ken, Japan

Hottest
August
31°C peak
Coldest
January
3°C low
Wettest
July
283mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Etajima is temperate. The average annual temperature is 16°C and approximately 1764mm of precipitation falls per year. Etajima receives a notable amount of rainfall throughout the year, including during its driest month. Etajima 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 3°C. Light snow can occur between January and February.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 9° Average: 5° Min: 3° Feb Max: 10° Average: 6° Min: 3° Mar Max: 14° Average: 10° Min: 6° Apr Max: 18° Average: 15° Min: 11° May Max: 22° Average: 19° Min: 16° Jun Max: 25° Average: 22° Min: 20° Jul Max: 29° Average: 26° Min: 24° Aug Max: 31° Average: 28° Min: 25° Sep Max: 27° Average: 24° Min: 22° Oct Max: 22° Average: 18° Min: 15° Nov Max: 17° Average: 13° Min: 10° Dec Max: 11° Average: 7° Min: 4°
Max
Average
Min

Temperatures in Etajima vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 3°C and an average of 5°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 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 61mm Snow: 3mm Feb Precipitation: 72mm Snow: 2mm Mar Precipitation: 116mm Snow: 0mm Apr Precipitation: 158mm Snow: 0mm May Precipitation: 154mm Snow: 0mm Jun Precipitation: 235mm Snow: 0mm Jul Precipitation: 283mm Snow: 0mm Aug Precipitation: 227mm Snow: 0mm Sep Precipitation: 214mm Snow: 0mm Oct Precipitation: 109mm Snow: 0mm Nov Precipitation: 72mm Snow: 0mm Dec Precipitation: 62mm Snow: 0mm
Precipitation
Snow

Etajima is a fairly wet location, receiving approximately 1764mm of precipitation annually, which averages out to around 147mm per month. The wettest month is July, averaging 283mm of rainfall. June and August also tend to see above-average precipitation. The driest month is January, with just 61mm. That's 222mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and February, totalling around 5cm annually. January is the snowiest month with approximately 3cm.

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: 16km/h Feb Wind Speed: 15km/h Mar Wind Speed: 15km/h Apr Wind Speed: 15km/h May Wind Speed: 13km/h Jun Wind Speed: 12km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 13km/h Oct Wind Speed: 14km/h Nov Wind Speed: 14km/h Dec Wind Speed: 15km/h
Wind Speed

Etajima 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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h 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 15km/h in winter, 14km/h in spring, 13km/h in summer, 14km/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 Etajima, which began on March 20, 2026. Etajima 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 31°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 6 to 22°C. Rainfall is heavy, totalling around 428mm across the season with a monthly average of 143mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 20 to 31°C. Rainfall is heavy, totalling around 746mm across the season with a monthly average of 249mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 10 to 27°C. Rainfall is heavy, totalling around 395mm across the season with a monthly average of 132mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 3 to 11°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are moderate at around 15km/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 Etajima 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
3 °C
9 °C
16 km/h
61 mm
3 cm
Feb
3 °C
10 °C
15 km/h
72 mm
2 cm
Mar Current
6 °C
14 °C
15 km/h
116 mm
0 cm
Apr
11 °C
18 °C
15 km/h
158 mm
0 cm
May
16 °C
22 °C
13 km/h
154 mm
0 cm
Jun
20 °C
25 °C
12 km/h
235 mm
0 cm
Jul
24 °C
29 °C
13 km/h
283 mm
0 cm
Aug
25 °C
31 °C
13 km/h
227 mm
0 cm
Sep
22 °C
27 °C
13 km/h
214 mm
0 cm
Oct
15 °C
22 °C
14 km/h
109 mm
0 cm
Nov
10 °C
17 °C
14 km/h
72 mm
0 cm
Dec
4 °C
11 °C
15 km/h
62 mm
0 cm
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Metric (°C, km/h)