Annual mean 27°C · wettest around October · prevailing wind E
Warmest
33.3 °C
Coldest
30.2 °C
Wettest
85%
Windiest
3.5 m/s
Prevailing
E
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
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 Usulután over the whole year is 27°C. April is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 22°C. The rainy (wet) season in Usulután runs from April to November, peaking in October with a 75% chance of rain on a given day. The dry season is December to March; February is the driest month, at 19%. Winds in Usulután are highest in February, averaging 2.7 m/s (10 km/h), and lightest in June, at 1.5 m/s (5 km/h). The prevailing wind is from the E. The clearest skies in Usulután come in January, when the sky is typically 31% covered; June is the cloudiest month, at 55%.
Month by month Usulután 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
32°C
22°C
32°C
23%
31%
2.6 m/s
14
44
7
February
32°C
22°C
32°C
19%
31%
2.7 m/s
12
43
5
March
33°C
23°C
34°C
23%
33%
2.4 m/s
8
30
4
April
33°C
25°C
35°C
50%
39%
2.2 m/s
6
22
3
May
32°C
25°C
36°C
65%
49%
1.6 m/s
6
18
2
June
31°C
24°C
35°C
71%
55%
1.5 m/s
7
20
3
July
32°C
23°C
35°C
65%
46%
1.8 m/s
6
16
3
August
32°C
24°C
35°C
68%
49%
1.7 m/s
6
17
3
September
31°C
23°C
35°C
74%
53%
1.5 m/s
6
19
2
October
30°C
23°C
34°C
75%
51%
1.5 m/s
8
23
4
November
31°C
23°C
33°C
52%
42%
1.8 m/s
11
28
6
December
31°C
22°C
32°C
33%
32%
2.4 m/s
14
37
7
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 Usulután weather by season
Year round, Usulután has days of about 30°C at their warmest in October, its coolest month, and 33°C in April, its warmest; the coolest hours of the day run from 22°C to 25°C through the year, and the average temperature over the year is 27°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.
Usulután weather in winterDecember to February
High 32°CLow 22°CRain 25%
Winter in Usulután has typical daily highs of about 32°C and lows of about 22°C, with a 25% chance of rain on a given day.
Usulután weather in springMarch to May
High 33°CLow 24°CRain 46%
Spring in Usulután has typical daily highs of about 33°C and lows of about 24°C, with a 46% chance of rain on a given day.
Usulután weather in summerJune to August
High 31°CLow 24°CRain 68%
Summer in Usulután has typical daily highs of about 31°C and lows of about 24°C, with a 68% chance of rain on a given day.
Usulután weather in autumnSeptember to November
High 31°CLow 23°CRain 67%
Autumn in Usulután has typical daily highs of about 31°C and lows of about 23°C, with a 67% chance of rain on a given day.
When is the rainy season in Usulután?
The rainy (wet) season in Usulután runs from April to November, peaking in October with a 75% chance of rain on a given day. The dry season is December to March; February is the driest month, at 19%.
What time of year is Usulután windiest?
Winds in Usulután are highest in February, averaging 2.7 m/s (10 km/h), and lightest in June, at 1.5 m/s (5 km/h). The prevailing wind is from the E.
What is the average temperature in Usulután year round?
The average temperature in Usulután over the whole year is 27°C. April is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 22°C.