Climate averages 1991–2020

Hirosaki weather
in January.

A freezing month with moderate precipitation: the coolest and the 2nd driest of the year.

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

Average high -0.3°C Daytime mean, January
Average low -6.6°C Night-time mean, January
Precipitation 82 mm 17 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Hirosaki · average highYear overview

January is a freezing month in Hirosaki: daytime highs average -0.3°C and nights cool to about -6.6°C. By daytime temperature it is the coolest month of the year.

Expect about 82 mm of precipitation on roughly 17 days, which makes January a month with moderate precipitation (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 38 min on an average January day.

The nearest other city in this atlas is Aomori (33 km away). In January its highs average -0.1°C, about as warm as Hirosaki, with 65 mm of precipitation.

Among the 303 cities listed in Japan, Hirosaki ranks 289th of 303 for the warmest January highs and joint 236th of 303 for the driest January (precipitation, lowest first). The mean January high of those 303 cities is 7.0°C; Hirosaki is 7.3°C cooler than that mean.

From January to February, average highs rise by 1.0°C to 0.7°C, and monthly precipitation falls from 82 mm to 81 mm.

The annual picture

January 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 2000

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

Every month, side by side

Hirosaki climate table

1991–2020
Monthly climate averages for Hirosaki, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected -0.3°C-6.6°C-6.6°C8217.09.610 h
February 0.7°C-6.1°C-6.1°C8115.710.611 h
March 4.4°C-3.6°C-3.6°C10116.711.912 h
April 12.0°C1.7°C1.7°C9813.713.313 h
May 18.7°C8.0°C8.0°C10413.114.414 h
June 22.7°C13.2°C13.2°C10913.115.015 h
July 25.6°C18.0°C18.0°C16316.414.815 h
August 26.7°C19.1°C19.1°C17616.013.814 h
September 22.7°C14.9°C14.9°C15414.212.513 h
October 16.4°C8.1°C8.1°C12913.811.211 h
November 9.2°C1.9°C1.9°C11216.210.010 h
December 2.3°C-4.2°C-4.2°C10618.09.39 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

January in nearby cities

Distance from Hirosaki

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 Hirosaki) is explained once on the Hirosaki year overview and on the Sources, method and limits page.