Climate averages 1991–2020

Minamirinkan weather
in August.

A hot, wet month: the warmest and the joint 5th driest of the year.

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

Average high 28.0°C Daytime mean, August
Average low 22.7°C Night-time mean, August
Rainfall 125 mm 13 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Minamirinkan · average highYear overview

August is a hot month in Minamirinkan: daytime highs average 28.0°C and nights cool to about 22.7°C. By daytime temperature it is the warmest month of the year.

Expect about 125 mm of rain on roughly 13 days, which makes August a wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 30 min on an average August day.

The nearest other city in this atlas is Machida (5 km away). In August its highs average 27.6°C, about as warm as Minamirinkan, with 125 mm of rain.

Among the 303 cities listed in Japan, Minamirinkan ranks joint 246th of 303 for the warmest August highs and joint 81st of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Minamirinkan is 1.2°C cooler than that mean.

From August to September, average highs fall by 3.2°C to 24.8°C, and monthly rainfall rises from 125 mm to 193 mm.

The annual picture

August 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. -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 2500

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

Every month, side by side

Minamirinkan climate table

1991–2020
Monthly climate averages for Minamirinkan, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.0°C-0.3°C-0.3°C747.810.110 h
February 8.7°C0.1°C0.1°C758.910.911 h
March 11.8°C3.5°C3.5°C13413.411.912 h
April 16.3°C8.3°C8.3°C12512.613.113 h
May 20.4°C13.3°C13.3°C13712.414.014 h
June 23.1°C17.5°C17.5°C17514.614.515 h
July 26.8°C21.5°C21.5°C16614.314.314 h
August, selected 28.0°C22.7°C22.7°C12513.213.513 h
September 24.8°C19.5°C19.5°C19314.212.412 h
October 19.7°C13.9°C13.9°C21113.311.311 h
November 15.0°C8.1°C8.1°C9910.510.310 h
December 10.4°C2.7°C2.7°C677.99.810 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

August in nearby cities

Distance from Minamirinkan

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

Machida lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.