Climate averages 1991–2020

Hakodate weather
in June.

A mild, wet month: the 4th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 17.8°C Daytime mean, June
Average low 12.6°C Night-time mean, June
Rainfall 121 mm 12 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Hakodate · average highYear overview

June is a mild month in Hakodate: daytime highs average 17.8°C and nights cool to about 12.6°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 121 mm of rain on roughly 12 days, which makes June a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 09 min on an average June day.

The nearest other city in this atlas is Muroran (64 km away). In June its highs average 17.4°C, about as warm as Hakodate, with 104 mm of rain.

Among the 303 cities listed in Japan, Hakodate ranks 300th of 303 for the warmest June highs and 27th of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Hakodate is 6.6°C cooler than that mean.

From June to July, average highs rise by 3.8°C to 21.6°C, and monthly rainfall rises from 121 mm to 178 mm.

The annual picture

June in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Hakodate climate table

1991–2020
Monthly climate averages for Hakodate, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -0.5°C-5.0°C-5.0°C529.29.510 h
February 0.1°C-5.1°C-5.1°C528.010.611 h
March 3.5°C-2.2°C-2.2°C669.611.912 h
April 8.9°C2.4°C2.4°C839.813.313 h
May 13.9°C7.7°C7.7°C11911.614.515 h
June, selected 17.8°C12.6°C12.6°C12111.615.215 h
July 21.6°C17.3°C17.3°C17814.914.915 h
August 23.7°C19.7°C19.7°C20614.813.914 h
September 21.3°C16.9°C16.9°C18512.812.513 h
October 15.3°C10.4°C10.4°C11411.411.111 h
November 8.1°C3.3°C3.3°C8711.09.910 h
December 2.1°C-2.2°C-2.2°C7010.59.29 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

June in nearby cities

Distance from Hakodate

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hakodate) is explained once on the Hakodate year overview and on the Sources, method and limits page.