Hachinohe Weather & Climate: Best Time to Visit

Visitors to Hachinohe can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in August, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like January.

At night, you can expect temperatures ranging from 20°C (68°F) in August to around -4°C (25°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hachinohe is known for its substantial rain/snowfall, with annual precipitation reaching 1117 mm (44 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives high rainfall, averaging 140 mm (5.5 in) of precipitation, recorded across 19 rainy days. In contrast, the driest month January brings less snow/rainfall, with 56 mm (2.2 in) over 26 snowy/rainy days. For more details, please visit our Hachinohe Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

While the amount of sunshine in Hachinohe varies throughout the year, all seasons offer their own charm. Enjoy up to 6.6 hours of daily sun in May, and experience slightly darker atmosphere in December, with about 4.2 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Hachinohe.

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