San Salvador monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at San Salvador

San Salvador average temperature chart (Celsius) San Salvador average temperature chart (Fahrenheit)
Average monthly temperatures in San Salvador (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.3 30.2 31.4 31.2 29.7 28 29 28.6 27.5 27.6 27.7 28.5
°F 84.7 86.4 88.5 88.2 85.5 82.4 84.1 83.4 81.6 81.6 81.9 83.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

San Salvador monthly rainfall chart (mm) San Salvador monthly rainfall chart (inches)
Average monthly rainfall in San Salvador (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 7 4 20 49 160 305 330 318 336 209 35 11
inches 0.3 0.2 0.8 1.9 6.3 12 13 12.5 13.2 8.2 1.4 0.4
Rainy days 4 4 4 8 19 28 27 28 29 22 8 5

Average daily sunshine

The bar chart below shows the average daily sunshine hours in San Salvador

San Salvador average daily sunshine chart
Average daily sunshine San Salvador
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9 9.4 9.3 9 8.2 7.2 7.7 7.3 6.3 6.7 8.2 8.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

San Salvador average minimum / maximum temperatures (Celsius) San Salvador average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in San Salvador (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14.2 14.2 15.2 16.7 17.4 17.2 16.8 16.8 16.8 16.6 15.4 14.4
Max °C 29.7 30.6 31.8 31.6 30.1 28.3 29.3 28.9 27.8 27.9 28 28.8
Min °F 57.5 57.6 59.4 62 63.2 62.9 62.2 62.2 62.2 61.8 59.7 57.9
Max °F 71.4 72.3 74.3 75.4 74.7 72.9 73.4 73 72.1 72 71.1 70.9

Sea temperature

The graph below shows the average sea temperature.

San Salvador average sea temperature chart (Celsius) San Salvador average sea temperature chart (Fahrenheit)
Average sea temperature around San Salvador in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28.1 28.2 28.8 29.6 29.8 29.6 29.6 29.8 29.5 29.3 29.2 28.7
°F 82.6 82.8 83.8 85.3 85.6 85.3 85.2 85.6 85 84.7 84.5 83.7

Wind speed

The graph below shows the average wind speed.

San Salvador average winspeed by month (km/h) San Salvador average winspeed by month (mph)
Average wind speed in San Salvador (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 11 10 10 9 8 8 8 8 9 10 11
mph 7 7 7 6 5 5 5 5 5 5 6 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

San Salvador relative humidity averages
Average relative humidity in San Salvador
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 66% 67% 70% 76% 82% 80% 82% 85% 82% 73% 69%

Other monthly averages

UV index Best time to go?

San Salvador weather stats

San Salvador weather statistics
Hottest month: April 31.2°C 88.2°F
Driest month: February 4mm 0.2ins
Sunniest month: February 9.4hrs
Coldest month: December 28.5°C 83.3°F
Wettest month: September 336mm 13.2ins
Warmest sea: May 29.8°C 85.6°F
Map showing location of San Salvador (13.68935, -89.18718)

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