Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Hachimantai Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hachimantai.
–
Climate overview of Hachimantai
Temperatures in Hachimantai, Iwate, Japan, vary greatly throughout the year. August is the hottest month at 27°C (81°F), while January is the coldest at 0°C (32°F).
With around 1444 mm (57 in) of annual rain/snowfall, Hachimantai has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is July. Sunshine peaks in May, when the city sees around 6.6 hours of sunshine per day.
Hachimantai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hachimantai - and find the best time to visit.
Monthly Temperature in Hachimantai
The climate in Hachimantai is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a very cold 0°C (32°F).
At night, temperatures range from around 19°C (66°F) in August to -9°C (16°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hachimantai
Hachimantai has a notably wet climate with abundant precipitation, recording 1444 mm (57 in) of rain/snowfall per year. Hachimantai experiences moderate seasonal variation in rainfall, with monthly averages ranging from 168 mm (6.6 in) in July, the wettest month, and 87 mm (3.4 in) in January, the driest month. For more details, please visit our Hachimantai Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Hachimantai
Hachimantai experiences moderate variation in sunshine hours across the seasons. With 6.6 hours daily sunshine in May, it dips to 4.2 hours in December, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Hachinohe, Japan (70 KM, 43 Miles).
Daily hours of sunshine
Data from: Hachinohe, Japan (70 KM, 43 Miles).
Humidity in Hachimantai by Month
The relative humidity is high throughout the year in Hachimantai.
The city experiences its highest humidity in July, reaching 83%. In March, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Hachinohe, Japan (70 KM, 43 Miles).
Best Time to Visit Hachimantai
For comfortable weather, consider visiting Hachimantai in June, July, August and September. Conditions are usually least favourable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
wet
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
very good
Oct
mixed
Nov
wet
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: April and May
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Hachimantai
What is the best time to visit Hachimantai?
June, July, August and September typically offer the most optimal weather in Hachimantai. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Hachimantai has warm summers and very cold winters.
What temperatures can I expect in Hachimantai?
Daytime highs range from 0°C (32°F) in January to 27°C (81°F) in August. Nighttime lows range from -9°C (16°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Hachimantai get?
Annual rainfall is around 1444 mm (57 in). July is the wettest month with 168 mm (6.6 in), while January is the driest with 87 mm (3.4 in).
How sunny is Hachimantai?
Hachimantai receives around 1,866 hours of sunshine per year. May is the sunniest month with 197 hours, while December is the cloudiest with just 125 hours.
Hachimantai 3-Day Forecast
Hachimantai on the map
Hachimantai is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Naha
28°C (82°F) Osaka
24°C (75°F) Kyoto23°C (73°F) Tokyo23°C (73°F) Hakone21°C (70°F) Hakuba17°C (63°F) Sapporo16°C (61°F) Niseko15°C (59°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Chase the autumn leaves in Japan
Walk the 88 temple circuit
We recommend walking the 88 temple circuit from April til October. Although June, July and August can be a bit wet, hot and humid.
The famous bamboo forests of Arashiyama
The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.
10 reasons why you should visit Japan in winter
Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.