Annual mean 25°C · wettest around September · prevailing wind NE
Warmest
32.9 °C
Coldest
23.2 °C
Wettest
86%
Windiest
4.0 m/s
Prevailing
NE
2.5 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, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in La Unión over the whole year is 25°C. May is the hottest month, with highs of about 33°C; February is the coldest, with lows of about 19°C. The rainy (wet) season in La Unión runs from May to November, peaking in September with a 67% chance of rain on a given day. The dry season is December to April; February is the driest month, at 28%. Winds in La Unión are highest in February, averaging 2.6 m/s (9 km/h), and lightest in June, at 1.4 m/s (5 km/h). The prevailing wind is from the NE. The clearest skies in La Unión come in March, when the sky is typically 50% covered; June is the cloudiest month, at 77%.
Month by month La Unión climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
28°C
20°C
28°C
32%
57%
2.4 m/s
40
52
18
February
29°C
19°C
28°C
28%
53%
2.6 m/s
35
56
16
March
31°C
21°C
31°C
39%
50%
2.3 m/s
25
51
9
April
32°C
22°C
33°C
45%
53%
2.2 m/s
14
41
4
May
33°C
22°C
34°C
52%
66%
1.7 m/s
9
31
1
June
31°C
21°C
34°C
58%
77%
1.4 m/s
11
30
2
July
30°C
22°C
32°C
65%
73%
2.0 m/s
14
39
3
August
31°C
22°C
33°C
66%
70%
1.9 m/s
12
34
2
September
31°C
22°C
34°C
67%
76%
1.5 m/s
9
31
1
October
28°C
22°C
32°C
63%
71%
1.4 m/s
18
35
5
November
28°C
21°C
30°C
48%
66%
1.9 m/s
28
51
11
December
28°C
20°C
28°C
30%
58%
2.1 m/s
37
50
17
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 28°C at their warmest in October, its coolest month, and 33°C in May, its warmest; the coolest hours of the day run from 19°C to 22°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around September 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 28°CLow 19°CRain 30%
Winter in La Unión has typical daily highs of about 28°C and lows of about 19°C, with a 30% chance of rain on a given day.
La Unión weather in springMarch to May
High 32°CLow 21°CRain 45%
Spring in La Unión has typical daily highs of about 32°C and lows of about 21°C, with a 45% chance of rain on a given day.
La Unión weather in summerJune to August
High 31°CLow 22°CRain 63%
Summer in La Unión has typical daily highs of about 31°C and lows of about 22°C, with a 63% chance of rain on a given day.
La Unión weather in autumnSeptember to November
High 29°CLow 22°CRain 59%
Autumn in La Unión has typical daily highs of about 29°C and lows of about 22°C, with a 59% chance of rain on a given day.
When is the rainy season in La Unión?
The rainy (wet) season in La Unión runs from May to November, peaking in September with a 67% chance of rain on a given day. The dry season is December to April; February is the driest month, at 28%.
What time of year is La Unión windiest?
Winds in La Unión are highest in February, averaging 2.6 m/s (9 km/h), and lightest in June, at 1.4 m/s (5 km/h). The prevailing wind is from the NE.
What is the average temperature in La Unión year round?
The average temperature in La Unión over the whole year is 25°C. May is the hottest month, with highs of about 33°C; February is the coldest, with lows of about 19°C.