Zihuatanejo weather in December
Mexico

December in Zihuatanejo: sweltering, dry, with clean air — fine if you can take 35°C afternoons.
#6 of 12 months in Zihuatanejo · #112 of 1383 destinations to visit in December · comfort 90/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Zihuatanejo in December
Other months in Zihuatanejo
Zihuatanejo's forum rates the November-through-March stretch as reliably excellent, and March specifically as sunny, breezy and essentially rain-free, high 80s°F by day cooling to the mid-to-high 70s in the evening. Regulars describe day after day of clear, near-identical good weather, with ocean temperatures staying warm enough for comfortable swimming throughout.
Add your own note from Zihuatanejo's card on the map.
Zihuatanejo climate normals — December
| Daytime high | 31°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 35°C / 95°F | |
| Sea temperature | 29°C / 84°F | ♨️ bath-warm |
| Rainfall | 4 mm / 0.2 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.1 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Zihuatanejo 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.
BusyChristmas and New Year peak, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Zihuatanejo'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 weatherZihuatanejo's weather peaks February–April.
Best weatherFair weatherToughest weather
What's on in Zihuatanejo in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Olive ridley nesting
1 Aug – 15 Dec · usuallyTurtle nestingOlive ridleys nest on Playa Larga and Barra de Potosi through the autumn, and the camps hold hatchling releases at dusk most evenings in the season.
- Season
Sailfish season
1 Nov – 31 Mar · usuallySailfish and marlin are offshore through the cool months and the town's small fleet is built around them, most of it now catch and release. The pier fish market at dawn is the free version.
- Nature
Humpback season
15 Dec – 20 Mar · usuallyWhale seasonHumpbacks come into the bay and the water off Playa Larga through the winter, close enough that the pangueros run short trips out of the pier before the fishing boats leave.
- Holiday
Christmas and New Year peak
18 Dec – 5 JanChristmas & New YearCrowdedBook earlyIxtapa's hotels and the Zihuatanejo bay fill with domestic holidaymakers for a fortnight, prices roughly double and the beach restaurants take bookings for New Year's Eve months ahead. Source ↗
Nearby, and something's on
Within 300 km of Zihuatanejo — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Zihuatanejo?
Zihuatanejo in December — FAQ
- Is December a good time to visit Zihuatanejo?
- December in Zihuatanejo: sweltering, dry, with clean air — fine if you can take 35°C afternoons. It ranks #6 of 12 months for Zihuatanejo on SeasonMap's comfort score (90/100).
- What is the weather like in Zihuatanejo in December?
- In December, Zihuatanejo averages a daily high of 31.4°C and a low of 22.1°C, with about 3.9 mm of rain over roughly 1.4 rainy days.
- What is the air quality in Zihuatanejo in December?
- Zihuatanejo has a mean US Air Quality Index of about 49 in December.
Other months in Zihuatanejo
Compare Zihuatanejo in December
Warmer or cooler than Zihuatanejo in December
Similar destinations in North America — December
Within 300 km: Morelia's Monarch butterfly season around 10 Nov – 15 Mar, and Acapulco's Christmas and New Year on 15 Dec – 6 Jan.