Climate charts
La HerraduraEl Salvador

La Herradura Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in La Herradura, El Salvador. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Let's now guide you through the details for a complete overview.

La Herradura experiences significant rainfall throughout the year, averaging 1642 mm (65 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.

Monthly Rainfall & Rainy Days

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The seasons in La Herradura, bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 319 mm (13 in) of precipitation. This rainfall is distributed across 27 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 2.5 mm (0.1 in) over 3 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 181 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 La Herradura Temperature page.

Daily Historical Precipitation

Average daily rainfall for each day of the month based on long-term records. 35-year average (1981-2025)

Average precipitation in September

Explore La Herradura's Historical Precipitation: 1976-2026

Browse day-by-day precipitation records for La Herradura spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.

Annual Rainfall in El Salvador: City Comparison

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.

Avg day temp (°C)
32°

La Herradura vs World: Rainfall Compared

La Herradura's average annual precipitation is 1642 mm (65 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

How is Precipitation Measured?

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.

How Does Precipitation Affect Local Climate?

Precipitation has a very strong role in determining the local climate and ecosystem:

  • Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
  • Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
Interesting weather facts

  • The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
  • Approximately 70% of lightning bolts strike land rather than oceans.
  • A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about La Herradura's weather, including sunshine hours, humidity levels, and temperature data, visit our La Herradura Climate page.

La Herradura Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in La Herradura - and find the best time to visit.

La Herradura 3-Day Forecast

More climate data for La Herradura

Popular this month

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.