El SalvadorThe climate of La Unión
The current climate in La Unión features temperatures ranging from a high of 37°C to a low of 33°C throughout the year. The average yearly temperature is around 35°C. At night, temperatures in the colder months average around 20°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for La Unión, El Salvador.
Temperature records
The highest temperature recorded in La Unión in recent years was 42°C in August 2022. The lowest daytime temperature recorded was 24°C in January 2022.
Rainfall amount
On average, La Unión receives 1867 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in La Unión runs from June to November.
Best time to visit La Unión?
The best time to visit La Unión for mild to warm weather is January and December. You might get some rain, but the temperatures are just right to explore La Unión.
Climate Table of La Unión
The climate table of La Unión shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 34 | 36 | 37 | 37 | 34 | 34 | 36 | 35 | 34 | 34 | 33 | 35 |
| Temp. min (°C) | 21 | 24 | 25 | 26 | 23 | 25 | 25 | 24 | 24 | 24 | 22 | 22 |
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| Precipitation (mm) | 3,5 | 5,0 | 9,6 | 65 | 260 | 308 | 124 | 224 | 389 | 389 | 86 | 3,5 |
| UV Index | 9 | 9 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 8 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in La Unión, El Salvador. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in La Unión
Yearly Temperature in La Unión
Precipitation charts
These charts show the average amount of precipitation in La Unión, El Salvador. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in La Unión
Total Yearly Precipitation in La Unión
UV index chart
This chart shows the average UV index per month in La Unión, El Salvador. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in La Unión
Weather experiences in La Unión
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Average weather in La Unión by month
Click on a month below to see detailed weather info for La Unión. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.