Monthly climate guide
Cancún weather in December
Expect hot weather in Cancún in December: afternoons reach about 27°C (81°F), while nights drop to around 23°C (74°F). Around 76 mm of rain falls over the month (some rain), and skies are a mix of sun and cloud. Daytime highs are about the same as November and about the same as January.
What stands out in December
- Good walking weather for combining Chichén Itzá (day trip) and Hotel Zone Beaches in one day.
- Days and nights are close, only about 4°C apart.
- It's humid — around 79% — so the heat feels heavier.
- December is among Cancún's three coolest months.
Avg high
27°C
81°F
Avg low
23°C
74°F
Rainfall
76 mm
some rain
Humidity
79%
relative
Sky
48%
cloud · a mix of sun and cloud
Cancún weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 22°C / 72°F | 82 mm | 77% | 54% |
| February | 27°C / 81°F | 23°C / 73°F | 47 mm | 76% | 39% |
| March | 28°C / 83°F | 23°C / 74°F | 39 mm | 73% | 37% |
| April | 30°C / 86°F | 25°C / 76°F | 39 mm | 73% | 35% |
| May | 30°C / 87°F | 26°C / 78°F | 90 mm | 75% | 43% |
| June | 30°C / 85°F | 26°C / 79°F | 218 mm | 83% | 61% |
| July | 30°C / 86°F | 27°C / 80°F | 72 mm | 81% | 49% |
| August | 31°C / 87°F | 27°C / 80°F | 123 mm | 81% | 55% |
| September | 30°C / 86°F | 27°C / 80°F | 176 mm | 83% | 59% |
| October | 29°C / 84°F | 26°C / 78°F | 253 mm | 83% | 59% |
| November | 28°C / 82°F | 24°C / 75°F | 135 mm | 80% | 51% |
| December | 27°C / 81°F | 23°C / 74°F | 76 mm | 79% | 48% |
What to pack for December
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is December a good time to visit Cancún?
Our Cancún guide recommends: December to April, in the dry season and outside the June–November hurricane season.
Chichén Itzá and Tulum are both feasible day trips from Cancún — book an early departure to avoid the worst of the midday heat and crowds.
Best time to visit Cancún →Other Mexico cities in December
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Cancún weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/cancun/december
<a href="https://weathercompare.eu/weather/mexico/cancun/december">Cancún weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/cancun" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Cancún weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/cancun/december">Cancún weather in December</a> – WeatherCompare</p>
Cancún in December: quick answers
Is December a good time to visit Cancún?
December is a reasonable time for Cancún: highs around 27°C and about 76 mm of rain, though not one of the three best months.
How warm is Cancún in December?
Average highs are about 27°C (81°F) and average lows about 23°C (74°F), based on 10 years of daily data.
Does it rain a lot in Cancún in December?
Cancún typically gets around 76 mm of rain in December — some rain.
When is the best time to visit Cancún?
December to April, in the dry season and outside the June–November hurricane season.
Figures are long-term averages for the area around Cancún (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.