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City briefing

Rio del Mar

California, United States · 9,000 people
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The year’s records
Annual mean 14°C · wettest around January · prevailing wind W
Warmest
23.0 °C
Coldest
13.3 °C
Wettest
43%
Windiest
4.7 m/s
Prevailing
W
3.5 m/s average

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

never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Every reading

bars actual · line feels-like, °C
05101520JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember05101520JFMAMJJASOND

The average temperature in Rio del Mar over the whole year is 14°C. September is the hottest month, with highs of about 22°C; February is the coldest, with lows of about 7°C.

Month by month Rio del Mar climate by month: average temperatures year round · click a month to read it

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January14°C7°C12°C43%40%2.0 m/s22082
February15°C7°C12°C41%33%2.3 m/s28078
March15°C8°C12°C37%43%2.6 m/s30181
April17°C9°C14°C25%37%2.8 m/s43384
May19°C11°C15°C23%41%3.0 m/s53683
June21°C13°C18°C8%31%3.1 m/s661474
July22°C13°C19°C5%37%2.8 m/s721970
August22°C14°C20°C7%36%2.6 m/s752365
September22°C13°C20°C8%32%2.4 m/s742266
October21°C11°C19°C23%26%2.0 m/s721771
November18°C8°C15°C29%29%1.8 m/s56386
December14°C7°C12°C34%34%1.9 m/s23083

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 Rio del Mar weather by season

Year round, Rio del Mar has days of about 14°C at their warmest in January, its coolest month, and 22°C in September, its warmest; the coolest hours of the day run from 7°C to 14°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around January and least likely around July. 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.

Rio del Mar weather in winterDecember to February

High 14°CLow 7°CRain 39%

Winter in Rio del Mar has typical daily highs of about 14°C and lows of about 7°C, with a 39% chance of rain on a given day.

Rio del Mar weather in springMarch to May

High 17°CLow 9°CRain 29%

Spring in Rio del Mar has typical daily highs of about 17°C and lows of about 9°C, with a 29% chance of rain on a given day.

Rio del Mar weather in summerJune to August

High 21°CLow 13°CRain 6%

Summer in Rio del Mar has typical daily highs of about 21°C and lows of about 13°C, with a 6% chance of rain on a given day.

Rio del Mar weather in autumnSeptember to November

High 20°CLow 11°CRain 20%

Autumn in Rio del Mar has typical daily highs of about 20°C and lows of about 11°C, with a 20% chance of rain on a given day.

When is the rainy season in Rio del Mar?

The rainy (wet) season in Rio del Mar runs from November to April, peaking in January with a 43% chance of rain on a given day. The dry season is May to October; July is the driest month, at 5%.

What time of year is Rio del Mar windiest?

Winds in Rio del Mar are highest in June, averaging 3.1 m/s (11 km/h), and lightest in November, at 1.8 m/s (6 km/h). The prevailing wind is from the W.

What is the average temperature in Rio del Mar year round?

The average temperature in Rio del Mar over the whole year is 14°C. September is the hottest month, with highs of about 22°C; February is the coldest, with lows of about 7°C.

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