Climate Insights for Wadayama

Asago Shi, Hyōgo, Japan

Hottest
August
30°C peak
Coldest
January
-1°C low
Wettest
July
306mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Wadayama is temperate. The average annual temperature is 14°C and approximately 2024mm of precipitation falls per year. Wadayama receives a notable amount of rainfall throughout the year, including during its driest month. Wadayama 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 -1°C. Snowfall occurs from January to December, with around 81cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 6° Average: 2° Min: -1° Feb Max: 7° Average: 3° Min: 0° Mar Max: 12° Average: 7° Min: 3° Apr Max: 17° Average: 13° Min: 8° May Max: 22° Average: 17° Min: 13° Jun Max: 25° Average: 21° Min: 18° Jul Max: 29° Average: 26° Min: 23° Aug Max: 30° Average: 26° Min: 23° Sep Max: 26° Average: 23° Min: 20° Oct Max: 20° Average: 16° Min: 13° Nov Max: 15° Average: 10° Min: 6° Dec Max: 8° Average: 4° Min: 1°
Max
Average
Min

Temperatures in Wadayama vary considerably across the year, with a 31°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 26°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 2°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°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: 77mm Snow: 28mm Feb Precipitation: 81mm Snow: 24mm Mar Precipitation: 126mm Snow: 10mm Apr Precipitation: 159mm Snow: 1mm May Precipitation: 165mm Snow: 0mm Jun Precipitation: 254mm Snow: 0mm Jul Precipitation: 306mm Snow: 0mm Aug Precipitation: 274mm Snow: 0mm Sep Precipitation: 256mm Snow: 0mm Oct Precipitation: 170mm Snow: 0mm Nov Precipitation: 81mm Snow: 0mm Dec Precipitation: 76mm Snow: 18mm
Precipitation
Snow

Wadayama is a very wet location, receiving approximately 2024mm of precipitation annually, which averages out to around 169mm per month. The wettest month is July, averaging 306mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 76mm. That's 230mm 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. Snowfall is a regular feature from January to December, with around 81cm accumulating over the season. January typically sees the most snow at around 28cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 10km/h Mar Wind Speed: 10km/h Apr Wind Speed: 10km/h May Wind Speed: 9km/h Jun Wind Speed: 8km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 9km/h Oct Wind Speed: 9km/h Nov Wind Speed: 8km/h Dec Wind Speed: 9km/h
Wind Speed

Wadayama is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/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

7 days until Autumn

It is currently summer in Wadayama, which began on June 21, 2026. Wadayama 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 -1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 3 to 22°C. Rainfall is heavy, totalling around 450mm across the season with a monthly average of 150mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 18 to 30°C. Rainfall is heavy, totalling around 834mm across the season with a monthly average of 278mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 6 to 26°C. Rainfall is heavy, totalling around 507mm across the season with a monthly average of 169mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -1 to 8°C. Precipitation is moderate at around 234mm for the season, averaging 78mm per month. Expect around 70cm of snow accumulation during this period. Winds are generally light, averaging 9km/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 Wadayama 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
-1 °C
6 °C
9 km/h
77 mm
28 cm
Feb
0 °C
7 °C
10 km/h
81 mm
24 cm
Mar
3 °C
12 °C
10 km/h
126 mm
10 cm
Apr
8 °C
17 °C
10 km/h
159 mm
1 cm
May
13 °C
22 °C
9 km/h
165 mm
0 cm
Jun
18 °C
25 °C
8 km/h
254 mm
0 cm
Jul
23 °C
29 °C
8 km/h
306 mm
0 cm
Aug
23 °C
30 °C
8 km/h
274 mm
0 cm
Sep Current
20 °C
26 °C
9 km/h
256 mm
0 cm
Oct
13 °C
20 °C
9 km/h
170 mm
0 cm
Nov
6 °C
15 °C
8 km/h
81 mm
0 cm
Dec
1 °C
8 °C
9 km/h
76 mm
18 cm
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Metric (°C, km/h)