SeasonMapSan Juan del Sur (SJDS) weather in December
Nicaragua
December in San Juan del Sur: hot, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in San Juan del Sur · #304 of 1383 destinations to visit in December · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Juan del Sur in December
No notes yet. Open San Juan del Sur on the map to add the first one.
San Juan del Sur climate normals — December
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 32°C / 90°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.5 h | |
| Wind | 33 km/h / 21 mph | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in San Juan del Sur in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for San Juan del Sur's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSan Juan del Sur's best weather comes in January, March and April — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in San Juan del Sur in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Arribadas at La Flor
1 Jul – 31 JanTurtle nestingBook earlyOlive ridleys come ashore at the La Flor refuge, twenty kilometres south, in mass arribadas that run about six days each and land between July and January. Rangers control access; September and October are the heaviest. Source ↗
Nearby, and something's on
Within 300 km of San Juan del Sur — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is San Juan del Sur?
San Juan del Sur in December — FAQ
- Is December a good time to visit San Juan del Sur?
- December in San Juan del Sur: hot, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for San Juan del Sur on SeasonMap's comfort score (85/100).
- What is the weather like in San Juan del Sur in December?
- In December, San Juan del Sur averages a daily high of 29.5°C and a low of 24.8°C, with about 58.6 mm of rain over roughly 12.9 rainy days.
- What is the air quality in San Juan del Sur in December?
- San Juan del Sur has a mean US Air Quality Index of about 28 in December.
Other months in San Juan del Sur
Compare San Juan del Sur in December
Warmer or cooler than San Juan del Sur in December
Similar destinations in Central America — December
Within 300 km: Nosara's Arribada at Ostional around 1 Jul – 31 Dec, and Jacó's Olive ridley nesting around 15 Aug – 15 Dec.