Annual mean 19°C · wettest around March · prevailing wind E
Warmest
30.2 °C
Coldest
14.7 °C
Wettest
63%
Windiest
5.0 m/s
Prevailing
E
4.2 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
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 San Salvador over the whole year is 19°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 9°C. San Salvador has no sharply defined rainy season: the chance of rain on a given day runs from 25% in June, the driest month, to 50% in March, the wettest. Winds in San Salvador are highest in September, averaging 3.6 m/s (13 km/h), and lightest in May, at 2.8 m/s (10 km/h). The prevailing wind is from the E. The clearest skies in San Salvador come in November, when the sky is typically 40% covered; May is the cloudiest month, at 55%.
Month by month San Salvador 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
30°C
21°C
30°C
43%
45%
3.3 m/s
30
56
8
February
29°C
20°C
29°C
44%
40%
3.0 m/s
31
49
12
March
26°C
18°C
26°C
50%
42%
2.9 m/s
49
44
25
April
23°C
15°C
22°C
47%
50%
2.9 m/s
69
27
49
May
18°C
12°C
17°C
39%
55%
2.8 m/s
57
6
73
June
16°C
9°C
13°C
25%
48%
2.8 m/s
36
4
72
July
15°C
9°C
12°C
29%
54%
3.1 m/s
32
2
69
August
17°C
9°C
14°C
33%
47%
3.4 m/s
40
6
70
September
20°C
12°C
17°C
41%
51%
3.6 m/s
59
10
68
October
22°C
14°C
20°C
43%
45%
3.6 m/s
67
19
59
November
26°C
17°C
25°C
49%
40%
3.5 m/s
61
44
33
December
28°C
19°C
27°C
44%
41%
3.3 m/s
48
49
21
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 San Salvador weather by season
Year round, San Salvador has days of about 15°C at their warmest in July, its coolest month, and 30°C in January, its warmest; the coolest hours of the day run from 9°C to 21°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around March and least likely around June. 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.
San Salvador weather in winterJune to August
High 16°CLow 9°CRain 29%
Winter in San Salvador has typical daily highs of about 16°C and lows of about 9°C, with a 29% chance of rain on a given day.
San Salvador weather in springSeptember to November
High 23°CLow 14°CRain 44%
Spring in San Salvador has typical daily highs of about 23°C and lows of about 14°C, with a 44% chance of rain on a given day.
San Salvador weather in summerDecember to February
High 29°CLow 20°CRain 44%
Summer in San Salvador has typical daily highs of about 29°C and lows of about 20°C, with a 44% chance of rain on a given day.
San Salvador weather in autumnMarch to May
High 23°CLow 15°CRain 45%
Autumn in San Salvador has typical daily highs of about 23°C and lows of about 15°C, with a 45% chance of rain on a given day.
When is the rainy season in San Salvador?
San Salvador has no sharply defined rainy season: the chance of rain on a given day runs from 25% in June, the driest month, to 50% in March, the wettest.
What time of year is San Salvador windiest?
Winds in San Salvador are highest in September, averaging 3.6 m/s (13 km/h), and lightest in May, at 2.8 m/s (10 km/h). The prevailing wind is from the E.
What is the average temperature in San Salvador year round?
The average temperature in San Salvador over the whole year is 19°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 9°C.