Metapán Weather in May
With daytime temperatures of 32°C (90°F) and nighttime lows of 21°C (70°F), May in Metapán brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 135 mm (5.3 in) falls on average.
Rainfall in Metapán in May
Typically, you can expect about 18 days of rain this month, with 135 mm (5.3 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Metapán in May
Daytime highs in Metapán in May reach 32°C (90°F), with nights around 21°C (70°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Metapán in May
The days are predominantly sunny, with an estimated total of around 253 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, November and December typically offer the best weather for Metapán.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit El Salvador, check out our Metapán's climate page.
Metapán Temperature in May
Min Temperature
21°C (70°F)
Max Temperature
32°C (90°F)
Chance of Rain
59%
Precipitation
135 mm (5.3 in)
Rainy days
18 days
Humidity
72% *
Sunshine
253 hours *
Percentage Sunshine
*
Daily Historical Temperatures
43-year average (1977-2025)
Based on our historical records, temperatures in Metapán typically stay consistent throughout May, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in May
Daily Historical Precipitation
43-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Metapán in May
Browse day-by-day weather records for Metapán spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Metapán historical weather extremes in May
Based on weather observations in Metapán between 1997 and 2026, these are the recorded extremes during May.
- On May 6, 1999, temperatures climbed to 40°C (104°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 22°C (72°F), recorded on May 19, 2005.
- Nighttime temperatures dropped to 15°C (59°F) on May 9, 2007, marking the coldest May night on record.
Best Places in El Salvador in 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
pleasant
tolerable
unpleasant
poor
What to Wear in Metapán in May
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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Metapán in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit El Salvador, check out our Metapán's climate page.
Temperature Rainfall Sunshine Humidity
See the full Metapán climate overview or explore weather in El Salvador.
