Climate averages 1991–2020

Santa Ana, El Salvador weather
in January.

A hot, very dry month: the 7th warmest and the 2nd driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.6°C Daytime mean, January
Average low 18.5°C Night-time mean, January
Rainfall 1.7 mm fewer than one day with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Santa Ana · average highYear overview

January is a hot month in Santa Ana, El Salvador: daytime highs average 29.6°C and nights cool to about 18.5°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 1.7 mm of rain on fewer than one day, which makes January a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 24 min on an average January day.

The nearest other city in this atlas is Santa Tecla (45 km away). In January its highs average 28.4°C, 1.3°C cooler than Santa Ana, El Salvador, with 1.9 mm of rain.

Among the 6 cities listed in El Salvador, Santa Ana, El Salvador ranks 5th of 6 for the warmest January highs and 2nd of 6 for the driest January (rainfall, lowest first). The mean January high of those 6 cities is 30.7°C; Santa Ana, El Salvador is 1.1°C cooler than that mean.

From January to February, average highs rise by 1.3°C to 30.9°C, and monthly rainfall falls from 1.7 mm to 1.3 mm.

The annual picture

January in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 1520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Santa Ana, El Salvador climate table

1991–2020
Monthly climate averages for Santa Ana, El Salvador, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 29.6°C18.5°C18.5°C1.70.411.411 h
February 30.9°C19.2°C19.2°C1.30.311.712 h
March 31.9°C20.0°C20.0°C6.21.612.012 h
April 32.3°C21.4°C21.4°C317.212.412 h
May 30.5°C21.7°C21.7°C13820.512.813 h
June 28.8°C21.2°C21.2°C18624.112.913 h
July 29.9°C21.2°C21.2°C9715.812.913 h
August 29.9°C21.3°C21.3°C12220.212.613 h
September 28.5°C20.9°C20.9°C21325.712.212 h
October 27.9°C20.3°C20.3°C15718.611.812 h
November 28.6°C19.4°C19.4°C274.311.511 h
December 29.3°C18.8°C18.8°C5.31.011.311 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Santa Ana

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Santa Ana) is explained once on the Santa Ana, El Salvador year overview and on the Sources, method and limits page.