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Santa Ana in May sees very high temperatures, with highs around 32°C (90°F) and overnight lows of 21°C (70°F). Rainfall is fairly high at around 171 mm (6.7 in) on average, so pack waterproofs just in case.
If your ideal day consists of dry skies and pleasant temperatures, January, February and December typically offer the best circumstances for Santa Ana.
Pick a month to see the average temperature, rainfall and sunshine in Santa Ana - and find the best time to visit.
43-year average (1977-2025)
Based on our historical records, temperatures in Santa Ana typically stay consistent throughout May, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 21°C (70°F).
43-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Santa Ana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Santa Ana between 1997 and 2026, these are the recorded extremes during May.
Find out more about the weather in El Salvador and which places have the best travel conditions in this month. See all of El Salvador in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Santa Ana climate overview or explore weather in El Salvador.
Where to go in May - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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