San Salvador in December
In December, San Salvador averages 30°C (85°F) during the day and 19°C (67°F) at night, with around 10 days of rain (10 mm total).
ShoulderConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
December offers comfortable temperatures in San Salvador, with some rain to plan around.
How December compares to the rest of the year in San Salvador
December is in the middle of the year for warmth in San Salvador (5th of 12) and one of the driest months (10th of 12). Daytime temperature matches the city's annual average. December runs 1°C warmer than November (28°C) and warms a further 1°C into January (30°C).
December sunrise & sunset in San Salvador
Times shown for San Salvador local time (America/El_Salvador), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in San Salvador — December
Golden-hour and blue-hour windows for the 15th of December, in San Salvador's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — San Salvador in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Shoulder) and San Salvador's popularity.
Crowds & pricing — December in San Salvador
San Salvador is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: Christmas / New Year travel surge
Sun & mosquito risk — December in San Salvador
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
San Salvador in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 19°C / 66°F | 5 mm | 8 | — |
| February | 31°C / 88°F | 19°C / 67°F | 5 mm | 6 | — |
| March | 31°C / 88°F | 20°C / 69°F | 17 mm | 13 | — |
| April | 31°C / 87°F | 21°C / 70°F | 66 mm | 22 | — |
| May | 29°C / 83°F | 21°C / 70°F | 230 mm | 29 | — |
| June | 28°C / 82°F | 21°C / 70°F | 246 mm | 28 | — |
| July | 29°C / 85°F | 21°C / 70°F | 156 mm | 28 | — |
| August | 28°C / 83°F | 21°C / 70°F | 236 mm | 29 | — |
| September | 27°C / 81°F | 21°C / 69°F | 287 mm | 30 | — |
| October | 27°C / 81°F | 20°C / 69°F | 251 mm | 29 | — |
| November | 28°C / 83°F | 20°C / 68°F | 76 mm | 19 | — |
| December | 30°C / 85°F | 19°C / 67°F | 10 mm | 10 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for San Salvador in December →
Frequently asked questions
How hot is San Salvador in December?
In December, San Salvador averages a high of 30°C (85°F) and a low of 19°C (67°F) — generally hot.
Does it rain a lot in San Salvador in December?
December can be fairly wet in San Salvador, with about 10 rainy days on average.
Is December a good time to visit San Salvador?
December is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for San Salvador in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full December packing list for San Salvador for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.