The climate of Honshu

The current climate in Honshu features temperatures ranging from a high of 30°C to a low of 4°C throughout the year. The average yearly temperature is around 18°C. At night, temperatures in the colder months average around -5°C and in the warmer months around 21°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Honshu, Japan.

Temperature records

The highest temperature recorded in Honshu in recent years was 35°C in July 2022. The lowest daytime temperature recorded was -5°C in January 2023.

Precipitation and snowfall

On average, Honshu gets 1353 mm of precipitation each year. Of this, about 96 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

The typhoon season in Honshu runs from June to November.

Best time to visit Honshu?

The best time to visit Honshu for mild to warm weather is April up to October. You might get some rain, but the temperatures are just right to explore Honshu.

Climate Table of Honshu

The climate table of Honshu shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Temp. max (°C)	4	6	11	17	22	25	28	30	25	19	13	7
Temp. min (°C)	-4	-4	1	6	11	16	21	21	17	10	4	-1
Precipitation
Precipitation (mm)	39	43	84	101	100	151	226	165	189	147	59	49
Snow (cm)	28	30	16	4,0	0	0	0	0	0	0	2,3	15
UV Index	4	5	6	7	7	6	6	7	6	5	4	4

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

Temperature charts

These charts display the average temperatures in Honshu, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Honshu

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Yearly Temperature in Honshu

Precipitation charts

These charts show the average amount of precipitation in Honshu, Japan. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Honshu

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Total Yearly Precipitation in Honshu

Average Snowfall per Month in Honshu

Total Yearly Snowfall in Honshu

UV index chart

This chart shows the average UV index per month in Honshu, Japan. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Honshu

Weather experiences in Honshu

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Average weather in Honshu by month

Click on a month below to see detailed weather info for Honshu. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.