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Population Review

Climate normals · 1970–2000

Isahaya Climate

Isahaya is a city in Japan (27) with a population of about 135,546. Its average annual temperature is 16.1°C (61°F), with roughly 1978 mm of rain per year.

16.1°C

Avg Temp

1978

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month


Isahaya Climate

Isahaya has an average annual temperature of 16.1°C (61°F) and receives about 1978 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.

16.1°C

Avg Temp

1978

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month

-5°5°15°25°35°350mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Isahaya — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January5° / 42°66 mm
February6° / 43°85 mm
March10° / 49°128 mm
April15° / 58°171 mm
May19° / 66°189 mm
June22° / 72°350 mm
July26° / 79°340 mm
August27° / 81°203 mm
September24° / 75°210 mm
October18° / 65°99 mm
November13° / 55°78 mm
December8° / 46°59 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Isahaya

The most comfortable months to visit Isahaya are typically October, May and November, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near 2°C low). June is usually the wettest month.

OctoberMayNovember

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Frequently Asked Questions

The most comfortable months to visit Isahaya are typically October, May and November, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Isahaya, Japan has an average annual temperature of 16.1°C and about 1978 mm of precipitation per year. The warmest month is August and the coldest is January.

In August, the hottest month, daily highs in Isahaya average about 31°C (87°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.