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Population Review

Climate normals · 1970–2000

Niihama Climate

Niihama is a city in Japan (05) with a population of about 123,059. Its average annual temperature is 16.1°C (61°F), with roughly 1650 mm of rain per year.

16.1°C

Avg Temp

1650

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month


Niihama Climate

Niihama has an average annual temperature of 16.1°C (61°F) and receives about 1650 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

1650

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month

-5°5°15°25°35°267mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Niihama — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January5° / 41°47 mm
February6° / 42°69 mm
March9° / 49°105 mm
April15° / 58°166 mm
May19° / 66°176 mm
June23° / 73°267 mm
July27° / 80°229 mm
August28° / 82°102 mm
September24° / 75°226 mm
October18° / 65°135 mm
November13° / 55°82 mm
December8° / 46°46 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 Niihama

The most comfortable months to visit Niihama are typically October, May and August, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 32°C high). The coldest is January (near 1°C low). June is usually the wettest month.

OctoberMayAugust

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Frequently Asked Questions

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

Niihama, Japan has an average annual temperature of 16.1°C and about 1650 mm of precipitation per year. The warmest month is August and the coldest is January.

In August, the hottest month, daily highs in Niihama average about 32°C (89°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.