Climate Insights for Yamada

Shimohei-gun, Iwate, Japan

Hottest
August
25°C peak
Coldest
February
-4°C low
Wettest
August
208mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Yamada is temperate. The average annual temperature is 10°C and approximately 1376mm of precipitation falls per year. Yamada receives a notable amount of rainfall throughout the year, including during its driest month. Yamada 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 February, January, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 102cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 2° Average: -1° Min: -4° Feb Max: 2° Average: -1° Min: -4° Mar Max: 7° Average: 3° Min: 0° Apr Max: 12° Average: 8° Min: 5° May Max: 17° Average: 14° Min: 10° Jun Max: 20° Average: 17° Min: 14° Jul Max: 24° Average: 21° Min: 19° Aug Max: 25° Average: 22° Min: 20° Sep Max: 22° Average: 19° Min: 16° Oct Max: 16° Average: 12° Min: 9° Nov Max: 10° Average: 6° Min: 3° Dec Max: 4° Average: 1° Min: -1°
Max
Average
Min

Temperatures in Yamada vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 22°C. The coldest month is February, when overnight lows fall to -4°C and the daily average is -1°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 55mm Snow: 26mm Feb Precipitation: 60mm Snow: 26mm Mar Precipitation: 105mm Snow: 24mm Apr Precipitation: 109mm Snow: 6mm May Precipitation: 100mm Snow: 1mm Jun Precipitation: 128mm Snow: 0mm Jul Precipitation: 178mm Snow: 0mm Aug Precipitation: 208mm Snow: 0mm Sep Precipitation: 168mm Snow: 0mm Oct Precipitation: 141mm Snow: 0mm Nov Precipitation: 64mm Snow: 3mm Dec Precipitation: 61mm Snow: 16mm
Precipitation
Snow

Yamada is a fairly wet location, receiving approximately 1376mm of precipitation annually, which averages out to around 115mm per month. The wettest month is August, averaging 208mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 55mm. That's 153mm 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 102cm accumulating over the season. February typically sees the most snow at around 26cm.

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: 21km/h Feb Wind Speed: 21km/h Mar Wind Speed: 19km/h Apr Wind Speed: 18km/h May Wind Speed: 16km/h Jun Wind Speed: 14km/h Jul Wind Speed: 12km/h Aug Wind Speed: 13km/h Sep Wind Speed: 14km/h Oct Wind Speed: 16km/h Nov Wind Speed: 17km/h Dec Wind Speed: 20km/h
Wind Speed

Yamada is mildly breezy, with an average annual wind speed of 17km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 12km/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 21km/h in winter, 18km/h in spring, 13km/h in summer, 16km/h in autumn.

Seasons

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

87 days until Summer

It is currently spring in Yamada, which began on March 20, 2026. Yamada 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 25°C, while the coldest stretch bottoms out in February near -4°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

Spring

Temperatures range from 0 to 17°C. Rainfall is heavy, totalling around 313mm across the season with a monthly average of 104mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 25°C. Rainfall is heavy, totalling around 514mm across the season with a monthly average of 171mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 3 to 22°C. Rainfall is heavy, totalling around 373mm across the season with a monthly average of 124mm. Winds are moderate at around 16km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -4 to 4°C. Precipitation is moderate at around 176mm for the season, averaging 59mm per month. Expect around 68cm of snow accumulation during this period. Winds are moderate at around 21km/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 Yamada 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
2 °C
21 km/h
55 mm
26 cm
Feb
-4 °C
2 °C
21 km/h
60 mm
26 cm
Mar Current
0 °C
7 °C
19 km/h
105 mm
24 cm
Apr
5 °C
12 °C
18 km/h
109 mm
6 cm
May
10 °C
17 °C
16 km/h
100 mm
1 cm
Jun
14 °C
20 °C
14 km/h
128 mm
0 cm
Jul
19 °C
24 °C
12 km/h
178 mm
0 cm
Aug
20 °C
25 °C
13 km/h
208 mm
0 cm
Sep
16 °C
22 °C
14 km/h
168 mm
0 cm
Oct
9 °C
16 °C
16 km/h
141 mm
0 cm
Nov
3 °C
10 °C
17 km/h
64 mm
3 cm
Dec
-1 °C
4 °C
20 km/h
61 mm
16 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)