San Miguel Weather in March
With daytime temperatures of 37°C (99°F) and nighttime lows of 23°C (73°F), March in San Miguel brings extremely high temperatures during the day. Minimal rainfall makes it a largely dry month.
Rainfall in San Miguel in March
Rain is expected on roughly 3 days, totalling around 9.9 mm (0.4 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in San Miguel in March
March in San Miguel brings extremely high temperatures, with highs of 37°C (99°F) and nights around 23°C (73°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding. These temperatures are typical, but it's wise to prepare for hotter days. Dress in light, airy clothing and protect yourself from the sun.March in San Miguel has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
San Miguel Temperature in March
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San Miguel Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Miguel - and find the best time to visit.
Daily Historical Temperatures
39-year average (1984-2025)
Based on our historical records, temperatures in San Miguel typically stay consistent throughout March, with daily highs averaging around 37°C (99°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in March
Historical weather records for San Miguel in March
Browse day-by-day weather records for San Miguel spanning 46 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Miguel historical weather extremes in March
Based on 25 years of weather observations in San Miguel between 2001 and 2026, these are the recorded extremes.
- The hottest March day on record in San Miguel reached 42°C (108°F) (March 9, 2003).
- On March 3, 2013, San Miguel saw its coldest March day with temperatures maxing out at 31°C (88°F).
- The coldest night in March in San Miguel was on March 7, 2018, with a minimum of 16°C (61°F).
Best Places in El Salvador in March
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 March →
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).
What to Wear in San Miguel in March
Get ready for hot weather in March! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear.
What To Do in San Miguel in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Camping10/10
San Miguel 3-Day Forecast
See the full San Miguel climate overview or explore weather in El Salvador.
Popular in March
Where to go in March - average daytime high across popular destinations.
San Miguel
37°C (99°F) San Salvador
34°C (93°F) Santa Ana33°C (91°F) El Cuco33°C (91°F) El Zonte32°C (90°F) Concepción de Ataco32°C (90°F) La Libertad31°C (88°F) El Sunzal31°C (88°F) 
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