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The average annual maximum temperature in El Cuco, El Salvador is 32°C (90°F), with little variation between seasons. This page covers monthly averages, day-night differences, and how El Cuco compares to cities worldwide.
The temperature in El Cuco remains steady throughout the year, providing a consistently very warm climate. Maximum daytime temperatures range from a very warm 33°C (91°F) in April to a very warm 30°C (86°F) in October. Nights are mild year-round, with lows ranging from 26°C (79°F) in April to 25°C (77°F) in October.
The chart below illustrates the average maximum day and minimum night temperatures in El Cuco by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest.
The chart below shows the average temperature throughout the year:
Average high and low temperatures for each day of the month based on long-term records. 37-year average (1983-2025)
Browse day-by-day temperature records for El Cuco spanning 46 years. Select any month and year to see actual high and low temperatures recorded on each day.
The map below shows the annual temperature across El Salvador. You can also select individual months if you want to compare a specific time of year.
El Cuco's average annual maximum temperature is 32°C (90°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually, warm summers, mild winters, and rain mainly in the cooler months.
Queenstown, New Zealand averages 10°C (50°F) annually, remember seasons are flipped, so its coldest months fall in June and July.
Osaka, Japan averages 22°C (72°F) annually, with hot humid summers, mild winters, and pleasant spring and autumn seasons.
Melbourne, Australia averages 20°C (68°F) annually, known for unpredictable weather, with four seasons sometimes happening in one day.
Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In El Cuco, October is the coolest month, with average highs of 30°C (86°F) and humidity around 80%, considered very high. In April, the warmest month, temperatures average 33°C (91°F) with 63% humidity, conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels, they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in El Cuco this rarely lasts long on the ground.
For more on El Cuco's weather, including monthly rainfall, sunshine hours, and humidity, visit our El Cuco climate page.
Pick a month to see the average temperature, rainfall and sunshine in El Cuco - and find the best time to visit.
See the full El Cuco climate overview or explore weather in El Salvador.
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