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City briefing

Niiza

Japan · 165,000 people
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
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Dec
The year’s records
Annual mean 16°C · wettest around June · prevailing wind E
Warmest
31.8 °C
Coldest
8.3 °C
Wettest
35%
Windiest
4.3 m/s
Prevailing
E
3.4 m/s average

When this place is good five ratings · thirty-six ten-day sections · click a cell to read it

never good
Jan
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May
Jun
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Dec

Every reading

bars actual · line feels-like, °C
05101520253035JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember05101520253035JFMAMJJASOND

The average temperature in Niiza over the whole year is 16°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 2°C.

Month by month Niiza climate by month: average temperatures year round · click a month to read it

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January9°C2°C4°C15%41%2.8 m/s0028
February10°C3°C5°C17%47%3.3 m/s2033
March13°C7°C9°C26%55%3.3 m/s16060
April18°C12°C15°C27%59%3.4 m/s50376
May22°C17°C21°C27%63%3.2 m/s791761
June25°C21°C26°C30%68%2.9 m/s614527
July29°C25°C32°C26%66%2.9 m/s18415
August31°C26°C34°C26%64%3.0 m/s9312
September27°C22°C28°C28%69%2.8 m/s424817
October21°C16°C20°C27%63%2.8 m/s691763
November16°C10°C13°C18%52%2.6 m/s42081
December11°C5°C7°C15%44%2.6 m/s4051

High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.

Seasons, and the year in short Niiza weather by season

Year round, Niiza has days of about 9°C at their warmest in January, its coolest month, and 31°C in August, its warmest; the coolest hours of the day run from 2°C to 26°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around June and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.

Niiza weather in winterDecember to February

High 10°CLow 3°CRain 16%

Winter in Niiza has typical daily highs of about 10°C and lows of about 3°C, with a 16% chance of rain on a given day.

Niiza weather in springMarch to May

High 18°CLow 12°CRain 27%

Spring in Niiza has typical daily highs of about 18°C and lows of about 12°C, with a 27% chance of rain on a given day.

Niiza weather in summerJune to August

High 28°CLow 24°CRain 27%

Summer in Niiza has typical daily highs of about 28°C and lows of about 24°C, with a 27% chance of rain on a given day.

Niiza weather in autumnSeptember to November

High 21°CLow 16°CRain 24%

Autumn in Niiza has typical daily highs of about 21°C and lows of about 16°C, with a 24% chance of rain on a given day.

When is the rainy season in Niiza?

The rainy (wet) season in Niiza runs from March to October, peaking in June with a 30% chance of rain on a given day. The dry season is November to February; January is the driest month, at 15%.

What time of year is Niiza windiest?

Winds in Niiza are highest in April, averaging 3.4 m/s (12 km/h), and lightest in November, at 2.6 m/s (9 km/h). The prevailing wind is from the E.

What is the average temperature in Niiza year round?

The average temperature in Niiza over the whole year is 16°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 2°C.

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