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City briefing

La Unión

El Salvador · 34,000 people
Jan
Feb
Mar
Apr
May
Jun
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The year’s records
Annual mean 28°C · wettest around October · prevailing wind E
Warmest
34.5 °C
Coldest
30.8 °C
Wettest
89%
Windiest
3.6 m/s
Prevailing
E
2.4 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
never good
Jan
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Apr
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Dec

Every reading

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

The average temperature in La Unión over the whole year is 28°C. April is the hottest month, with highs of about 34°C; December is the coldest, with lows of about 20°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January32°C21°C33°C26%34%2.8 m/s9364
February33°C21°C33°C12%33%2.9 m/s8344
March34°C24°C35°C26%33%2.4 m/s5192
April34°C26°C36°C44%41%2.1 m/s4122
May33°C26°C37°C57%52%1.5 m/s3101
June32°C22°C36°C67%55%1.4 m/s4121
July33°C23°C37°C53%49%1.8 m/s582
August33°C24°C37°C60%50%1.5 m/s481
September32°C22°C37°C69%53%1.3 m/s3101
October31°C24°C36°C73%52%1.2 m/s5132
November32°C22°C35°C45%46%1.6 m/s7173
December32°C20°C34°C22%35%2.4 m/s8284

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 La Unión weather by season

Year round, La Unión has days of about 31°C at their warmest in October, its coolest month, and 34°C in April, its warmest; the coolest hours of the day run from 20°C to 26°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around October and least likely around February. 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.

La Unión weather in winterDecember to February

High 33°CLow 21°CRain 20%

Winter in La Unión has typical daily highs of about 33°C and lows of about 21°C, with a 20% chance of rain on a given day.

La Unión weather in springMarch to May

High 34°CLow 25°CRain 43%

Spring in La Unión has typical daily highs of about 34°C and lows of about 25°C, with a 43% chance of rain on a given day.

La Unión weather in summerJune to August

High 32°CLow 23°CRain 60%

Summer in La Unión has typical daily highs of about 32°C and lows of about 23°C, with a 60% chance of rain on a given day.

La Unión weather in autumnSeptember to November

High 32°CLow 23°CRain 62%

Autumn in La Unión has typical daily highs of about 32°C and lows of about 23°C, with a 62% chance of rain on a given day.

When is the rainy season in La Unión?

The rainy (wet) season in La Unión runs from April to November, peaking in October with a 73% chance of rain on a given day. The dry season is December to March; February is the driest month, at 12%.

What time of year is La Unión windiest?

Winds in La Unión are highest in February, averaging 2.9 m/s (10 km/h), and lightest in October, at 1.2 m/s (4 km/h). The prevailing wind is from the E.

What is the average temperature in La Unión year round?

The average temperature in La Unión over the whole year is 28°C. April is the hottest month, with highs of about 34°C; December is the coldest, with lows of about 20°C.

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