San Salvador climate

Name: San Salvador
Address: SV

San Salvador is warmest in March, with average highs of 32 °C, and coldest in January, when nights average 19 °C. September is the wettest month (300 mm) and January the driest (2.3 mm). Figures are 1991–2020 climate normals.

Across a full year San Salvador averages 1,542 mm of rain and 357 days above 25 °C.

El Salvador · population 525,990 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month March 32 °C
Coldest month January 19 °C
Driest month January 2 mm
Wettest month September 300 mm
Least cloud February 23 % cloud
Hottest on record April 37 °C
Coldest on record November 13 °C

What to expectSan Salvador through the year

San Salvador changes little through the year. Average daily highs stay between 30 and 32 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 357 days a year reach 25 °C, 128 of them reach 30 °C. The warmest reading in the 1991–2020 record is 37 °C, in April.

Rain is strongly seasonal. September averages 300 mm against 2 mm in January — 131 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.2 °C	2 mm	24 %
February	31.2 °C	3 mm	23 %
March	31.6 °C	10 mm	29 %
April	31.0 °C	49 mm	45 %
May	29.1 °C	221 mm	73 %
June	28.2 °C	246 mm	84 %
July	29.1 °C	186 mm	74 %
August	28.8 °C	232 mm	77 %
September	27.7 °C	300 mm	84 %
October	27.5 °C	236 mm	75 %
November	28.4 °C	49 mm	48 %
December	29.5 °C	8 mm	27 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.2 °C	19.3 °C	23.9 °C	33.6 °C	14.2 °C	31	19
February	31.2 °C	19.8 °C	24.6 °C	35.7 °C	15.3 °C	28	22
March	31.6 °C	20.6 °C	25.3 °C	35.4 °C	14.1 °C	31	25
April	31.0 °C	21.5 °C	25.6 °C	36.6 °C	17.5 °C	30	20
May	29.1 °C	21.7 °C	24.7 °C	36.4 °C	17.8 °C	30	8
June	28.2 °C	21.3 °C	24.1 °C	32.9 °C	19.4 °C	29	3
July	29.1 °C	21.2 °C	24.5 °C	32.7 °C	19.0 °C	31	9
August	28.8 °C	21.3 °C	24.4 °C	33.0 °C	18.7 °C	31	7
September	27.7 °C	21.0 °C	23.6 °C	31.7 °C	18.7 °C	28	1
October	27.5 °C	20.6 °C	23.4 °C	31.6 °C	16.3 °C	28	1
November	28.4 °C	20.0 °C	23.6 °C	32.3 °C	13.4 °C	29	2
December	29.5 °C	19.5 °C	23.8 °C	32.8 °C	13.5 °C	31	12

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	2 mm	1	11 h/day	24 %	62 %	14 km/h
February	3 mm	1	12 h/day	23 %	61 %	13 km/h
March	10 mm	3	12 h/day	29 %	62 %	13 km/h
April	49 mm	11	12 h/day	45 %	70 %	11 km/h
May	221 mm	25	13 h/day	73 %	81 %	8.6 km/h
June	246 mm	26	13 h/day	84 %	86 %	7.9 km/h
July	186 mm	23	13 h/day	74 %	81 %	8.3 km/h
August	232 mm	26	13 h/day	77 %	83 %	8.0 km/h
September	300 mm	28	12 h/day	84 %	88 %	7.8 km/h
October	236 mm	23	12 h/day	75 %	85 %	8.6 km/h
November	49 mm	8	12 h/day	48 %	74 %	12 km/h
December	8 mm	2	11 h/day	27 %	66 %	13 km/h

How San Salvador compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
San Salvador	32 °C	19 °C	1,542 mm	357
Soyapango · El Salvador	31 °C	20 °C	1,494 mm	354
Santa Ana · El Salvador	32 °C	19 °C	1,030 mm	356
San Miguel · El Salvador	36 °C	22 °C	1,766 mm	365
Jalapa · Guatemala	27 °C	13 °C	1,124 mm	143
Villa Canales · Guatemala	28 °C	15 °C	1,624 mm	270
Villa Nueva · Guatemala	28 °C	14 °C	1,611 mm	220

Where San Salvador ranks

Ranking	Position	Value
The driest places in North America in February	5thof 50	2.7 mm
The driest places in North America in January	5thof 50	2.3 mm
The warmest places in North America in February	5thof 50	31 °C
The warmest places in North America in January	7thof 50	30 °C
The warmest places in North America in March	8thof 50	32 °C
The warmest places in North America in December	11thof 50	30 °C

Planning a trip? See the best time to visit San Salvador.

QuestionsCommon questions about San Salvador’s climate

When is the best time to visit San Salvador?

That depends on what you want, so the honest answer is a comparison rather than a single month. September, October, November sit closest to 20 °C on average, March is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does San Salvador get?

In March, the warmest month, daily highs average 32 °C. About 128 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.

How cold does it get in winter?

Nights average 19 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in San Salvador?

September, averaging 300 mm over 28 days with rain. The driest month is January with 2 mm. The year as a whole averages 1,542 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in San Salvador rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.