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City briefing

Seia

Portugal · 25,000 people
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
The year’s records
Annual mean 12°C · wettest around November · prevailing wind S
Warmest
25.8 °C
Coldest
8.3 °C
Wettest
41%
Windiest
5.0 m/s
Prevailing
S
4.1 m/s average

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

never good
Jan
Feb
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Apr
May
Jun
Jul
Aug
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Dec

Every reading

bars actual · line feels-like, °C
0510152025JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember0510152025JFMAMJJASOND

The average temperature in Seia over the whole year is 12°C. August is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 5°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January9°C5°C5°C29%59%4.2 m/s4137
February10°C5°C6°C27%59%4.0 m/s8045
March11°C5°C6°C31%61%4.3 m/s12047
April13°C8°C9°C30%63%3.8 m/s22156
May17°C11°C14°C16%57%3.8 m/s48670
June20°C14°C17°C13%54%3.9 m/s591765
July25°C17°C23°C4%41%3.6 m/s723452
August25°C17°C23°C5%43%3.7 m/s743651
September21°C15°C19°C11%49%3.4 m/s701868
October17°C12°C14°C22%55%3.6 m/s51573
November11°C7°C7°C35%60%4.2 m/s14051
December10°C6°C6°C31%60%4.4 m/s6044

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 Seia weather by season

Year round, Seia has days of about 9°C at their warmest in January, its coolest month, and 25°C in August, its warmest; the coolest hours of the day run from 5°C to 17°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around November 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.

Seia weather in winterDecember to February

High 9°CLow 5°CRain 29%

Winter in Seia has typical daily highs of about 9°C and lows of about 5°C, with a 29% chance of rain on a given day.

Seia weather in springMarch to May

High 13°CLow 8°CRain 26%

Spring in Seia has typical daily highs of about 13°C and lows of about 8°C, with a 26% chance of rain on a given day.

Seia weather in summerJune to August

High 23°CLow 16°CRain 7%

Summer in Seia has typical daily highs of about 23°C and lows of about 16°C, with a 7% chance of rain on a given day.

Seia weather in autumnSeptember to November

High 16°CLow 11°CRain 23%

Autumn in Seia has typical daily highs of about 16°C and lows of about 11°C, with a 23% chance of rain on a given day.

When is the rainy season in Seia?

The rainy (wet) season in Seia runs from October to April, peaking in November with a 35% chance of rain on a given day. The dry season is May to September; July is the driest month, at 4%.

What time of year is Seia windiest?

Winds in Seia are highest in December, averaging 4.4 m/s (16 km/h), and lightest in September, at 3.4 m/s (12 km/h). The prevailing wind is from the S.

What is the average temperature in Seia year round?

The average temperature in Seia over the whole year is 12°C. August is the hottest month, with highs of about 25°C; January is the coldest, with lows of about 5°C.

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