Climate averages 1991–2020

Ōsaki weather
in October.

A mild, wet month: the 6th warmest and the 9th driest of the year.

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

Average high 18.2°C Daytime mean, October
Average low 9.9°C Night-time mean, October
Rainfall 141 mm 11 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Ōsaki · average highYear overview

October is a mild month in Ōsaki: daytime highs average 18.2°C and nights cool to about 9.9°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 141 mm of rain on roughly 11 days, which makes October a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 14 min on an average October day.

The nearest other city in this atlas is Tome (21 km away). In October its highs average 18.2°C, about as warm as Ōsaki, with 126 mm of rain.

Among the 303 cities listed in Japan, Ōsaki ranks joint 264th of 303 for the warmest October highs and joint 79th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Ōsaki is 2.1°C cooler than that mean.

From October to November, average highs fall by 6.0°C to 12.2°C, and monthly rainfall falls from 141 mm to 65 mm.

The annual picture

October 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 rainfall

Average total · mm
Average monthly rainfall 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

Ōsaki climate table

1991–2020
Monthly climate averages for Ōsaki, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 3.6°C-4.2°C-4.2°C569.29.810 h
February 4.5°C-4.2°C-4.2°C488.210.711 h
March 8.6°C-1.3°C-1.3°C8911.011.912 h
April 14.6°C3.9°C3.9°C9711.413.213 h
May 19.6°C9.8°C9.8°C10911.414.314 h
June 22.6°C14.6°C14.6°C13212.814.815 h
July 25.8°C19.0°C19.0°C18816.714.615 h
August 27.2°C20.4°C20.4°C16515.513.714 h
September 23.6°C16.7°C16.7°C16814.012.512 h
October, selected 18.2°C9.9°C9.9°C14110.711.211 h
November 12.2°C3.4°C3.4°C658.510.110 h
December 6.2°C-1.5°C-1.5°C589.69.510 h

Rainfall is the average of the 30 separate monthly totals. A rain 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

October in nearby cities

Distance from Ōsaki

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