Monthly climate guide
Guatemala City weather in December
With highs near 26°C (78°F) and lows around 15°C (58°F), December feels warm in Guatemala City. Rainfall averages about 9 mm (very dry) and the sky is 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
- Skies are at their clearest this time of year.
- Rain is well below Guatemala City's usual level (around 92% less).
- Humidity near 79% makes 26°C feel stickier than it sounds.
- It's one of the drier stretches of the year in Guatemala City.
Avg high
26°C
78°F
Avg low
15°C
58°F
Rainfall
9 mm
very dry
Humidity
79%
relative
Sky
35%
cloud · a mix of sun and cloud
Guatemala City weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 27°C / 81°F | 14°C / 58°F | 5 mm | 72% | 34% |
| February | 29°C / 84°F | 15°C / 59°F | 6 mm | 68% | 35% |
| March | 31°C / 87°F | 16°C / 61°F | 14 mm | 63% | 38% |
| April | 31°C / 88°F | 18°C / 64°F | 44 mm | 67% | 51% |
| May | 28°C / 83°F | 19°C / 65°F | 172 mm | 77% | 75% |
| June | 26°C / 79°F | 18°C / 65°F | 216 mm | 83% | 81% |
| July | 26°C / 80°F | 18°C / 64°F | 147 mm | 82% | 70% |
| August | 26°C / 79°F | 18°C / 64°F | 228 mm | 84% | 74% |
| September | 25°C / 77°F | 18°C / 64°F | 216 mm | 87% | 82% |
| October | 25°C / 77°F | 17°C / 63°F | 208 mm | 87% | 73% |
| November | 25°C / 78°F | 16°C / 60°F | 48 mm | 83% | 49% |
| December | 26°C / 78°F | 15°C / 58°F | 9 mm | 79% | 35% |
What to pack for December
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is December a good time to visit Guatemala City?
Compare the months in the chart above to find your ideal window.
Best time to visit Guatemala City →Other Guatemala cities in December
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Guatemala City weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/guatemala/guatemala-city/december
<a href="https://weathercompare.eu/weather/guatemala/guatemala-city/december">Guatemala City weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/guatemala/guatemala-city" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Guatemala City weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/guatemala/guatemala-city/december">Guatemala City weather in December</a> – WeatherCompare</p>
Guatemala City in December: quick answers
Is December a good time to visit Guatemala City?
Yes. December is one of the best months for Guatemala City, with highs around 26°C and about 9 mm of rain.
How warm is Guatemala City in December?
Average highs are about 26°C (78°F) and average lows about 15°C (58°F), based on 10 years of daily data.
Does it rain a lot in Guatemala City in December?
Guatemala City typically gets around 9 mm of rain in December — very dry.
Figures are long-term averages for the area around Guatemala City (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.