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City briefing

Ōarai

Japan · 16,000 people
Jan
Feb
Mar
Apr
May
Jun
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Aug
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The year’s records
Annual mean 15°C · wettest around September · prevailing wind E
Warmest
30.4 °C
Coldest
7.7 °C
Wettest
29%
Windiest
4.5 m/s
Prevailing
E
3.7 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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Apr
May
Jun
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Dec

Every reading

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

The average temperature in Ōarai over the whole year is 15°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 0°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January8°C0°C3°C6%44%2.7 m/s0026
February9°C1°C4°C8%54%2.9 m/s2030
March13°C5°C8°C17%62%3.2 m/s15058
April17°C10°C14°C17%68%3.4 m/s44276
May21°C15°C19°C19%71%3.1 m/s761267
June24°C19°C25°C19%77%2.9 m/s674035
July28°C23°C31°C18%76%2.9 m/s25449
August30°C25°C32°C16%75%3.1 m/s14423
September26°C21°C27°C21%79%3.0 m/s494521
October20°C15°C19°C20%71%2.9 m/s701467
November16°C9°C13°C11%60%2.5 m/s41080
December10°C3°C6°C7%49%2.5 m/s4047

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 Ōarai weather by season

Year round, Ōarai has days of about 8°C at their warmest in January, its coolest month, and 30°C in August, its warmest; the coolest hours of the day run from 0°C to 25°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around September 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.

Ōarai weather in winterDecember to February

High 9°CLow 2°CRain 7%

Winter in Ōarai has typical daily highs of about 9°C and lows of about 2°C, with a 7% chance of rain on a given day.

Ōarai weather in springMarch to May

High 17°CLow 10°CRain 17%

Spring in Ōarai has typical daily highs of about 17°C and lows of about 10°C, with a 17% chance of rain on a given day.

Ōarai weather in summerJune to August

High 27°CLow 22°CRain 18%

Summer in Ōarai has typical daily highs of about 27°C and lows of about 22°C, with a 18% chance of rain on a given day.

Ōarai weather in autumnSeptember to November

High 21°CLow 15°CRain 17%

Autumn in Ōarai has typical daily highs of about 21°C and lows of about 15°C, with a 17% chance of rain on a given day.

When is the rainy season in Ōarai?

Ōarai has no sharply defined rainy season: the chance of rain on a given day runs from 6% in January, the driest month, to 21% in September, the wettest.

What time of year is Ōarai windiest?

Winds in Ōarai are highest in April, averaging 3.4 m/s (12 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 Ōarai year round?

The average temperature in Ōarai over the whole year is 15°C. August is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 0°C.

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