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This page shows both the average monthly rainfall and the number of rainy days in Los Naranjos, Sonsonate Department, El Salvador. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's break down all the details for a clearer picture.
Los Naranjos experiences significant rainfall throughout the year, averaging 1734 mm (68 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct dry and rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.
The seasons in Los Naranjos, bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 354 mm (14 in) of precipitation. This rainfall is distributed across 29 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 4.9 mm (0.2 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.September, the wettest month, has a maximum daytime temperature of 30°C (86°F). The city receives 202 hours of sunshine in this period. During the driest month January you can expect a temperature of 31°C (88°F). For more detailed insights into the city's temperatures, visit our Los Naranjos Temperature page.
Average daily rainfall for each day of the month based on long-term records. 43-year average (1978-2025)
Browse day-by-day precipitation records for Los Naranjos spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across El Salvador. You can also select the different months in case you are interested in a specific month.
Los Naranjos's average annual precipitation is 1734 mm (68 in). Let's compare this to some popular worldwide tourist destinations:
Chicago, USA, sees an annual precipitation of 1062 mm (42 in), with rain and snow contributing to its humid climate.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
The proximity of a location to a large body of water can significantly affect its rainfall patterns:
For more detailed information about Los Naranjos's weather, including sunshine hours, humidity levels, and temperature data, visit our Los Naranjos Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Los Naranjos - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Los Naranjos climate overview or explore weather in El Salvador.
Where to go in October - average daytime high across popular destinations.
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