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City briefing

Ōi

Japan · 17,000 people
Jan
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Mar
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Jun
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Aug
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The year’s records
Annual mean 14°C · wettest around June · prevailing wind E
Warmest
29.3 °C
Coldest
6.2 °C
Wettest
33%
Windiest
3.9 m/s
Prevailing
E
3.3 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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Every reading

bars actual · line feels-like, °C
051015202530JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember051015202530JFMAMJJASOND

The average temperature in Ōi over the whole year is 14°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 1°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January7°C1°C2°C13%37%2.7 m/s0029
February8°C2°C3°C16%42%3.0 m/s2031
March11°C5°C7°C25%49%2.9 m/s14056
April16°C10°C13°C26%52%3.0 m/s45171
May20°C15°C18°C24%56%2.8 m/s741361
June23°C19°C23°C27%62%2.6 m/s614229
July27°C23°C29°C24%58%2.6 m/s18488
August28°C24°C31°C24%56%2.7 m/s10386
September25°C20°C26°C26%62%2.6 m/s414719
October19°C15°C18°C26%57%2.7 m/s621758
November15°C9°C12°C18%47%2.5 m/s40074
December9°C4°C5°C14%39%2.6 m/s5049

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 Ōi weather by season

Year round, Ōi has days of about 7°C at their warmest in January, its coolest month, and 28°C in August, its warmest; the coolest hours of the day run from 1°C to 24°C through the year, and the average temperature over the year is 14°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.

Ōi weather in winterDecember to February

High 8°CLow 2°CRain 14%

Winter in Ōi has typical daily highs of about 8°C and lows of about 2°C, with a 14% chance of rain on a given day.

Ōi weather in springMarch to May

High 16°CLow 10°CRain 25%

Spring in Ōi has typical daily highs of about 16°C and lows of about 10°C, with a 25% chance of rain on a given day.

Ōi weather in summerJune to August

High 26°CLow 22°CRain 25%

Summer in Ōi has typical daily highs of about 26°C and lows of about 22°C, with a 25% chance of rain on a given day.

Ōi weather in autumnSeptember to November

High 19°CLow 15°CRain 23%

Autumn in Ōi has typical daily highs of about 19°C and lows of about 15°C, with a 23% chance of rain on a given day.

When is the rainy season in Ōi?

Ōi has no sharply defined rainy season: the chance of rain on a given day runs from 13% in January, the driest month, to 27% in June, the wettest.

What time of year is Ōi windiest?

Winds in Ōi are highest in February, averaging 3.0 m/s (11 km/h), and lightest in November, at 2.5 m/s (9 km/h). The prevailing wind is from the E.

What is the average temperature in Ōi year round?

The average temperature in Ōi over the whole year is 14°C. August is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 1°C.

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