SeasonMapSan Juan del Sur (SJDS) weather in January
Nicaragua
January in San Juan del Sur: warm, dry, with clean air — an excellent time to visit.
#3 of 12 months in San Juan del Sur · #227 of 1383 destinations to visit in January · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Juan del Sur in January
No notes yet. Open San Juan del Sur on the map to add the first one.
San Juan del Sur climate normals — January
| Daytime high | 29°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Sea temperature | 25°C / 76°F | 🙂 pleasant |
| Rainfall | 11 mm / 0.4 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 11.5 h | |
| Wind | 36 km/h / 22 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in San Juan del Sur in January
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.
Busyschool holidays in 3 of the markets that fill it, one of its best months for weather(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).
Best weatherSan Juan del Sur's best weather comes in January, March and April — separate windows, not one continuous season.
January includes Arribadas at La Flor.
Best weatherFair weatherToughest weather
What's on in San Juan del Sur in January
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 January — FAQ
- Is January a good time to visit San Juan del Sur?
- January in San Juan del Sur: warm, dry, with clean air — an excellent time to visit. It ranks #3 of 12 months for San Juan del Sur on SeasonMap's comfort score (89/100).
- What is the weather like in San Juan del Sur in January?
- In January, San Juan del Sur averages a daily high of 28.5°C and a low of 24.3°C, with about 11.1 mm of rain over roughly 4.2 rainy days.
- What is the air quality in San Juan del Sur in January?
- San Juan del Sur has a mean US Air Quality Index of about 33 in January.
Other months in San Juan del Sur
Compare San Juan del Sur in January
Warmer or cooler than San Juan del Sur in January
Similar destinations in Central America — January
Within 300 km: Nosara's Dry season around 1 Dec – 15 Apr, and La Fortuna's Dry season and clear Arenal around 15 Jan – 30 Apr.