Verdict: Excellent month
Mexico City Weather in January
January hits the sweet spot in Mexico City — highs around 23°C (73°F), ideal for a full day on foot. Rain is a non-issue, with only ~2 wet days in an average year. Overall, January is one of the best months of the year to be in Mexico City.
Average high
23°C / 73°F
Average low
7°C / 45°F
Rain days
~2
Precipitation
6 mm
What to pack for Mexico City in January
- Summer clothes, plus one light layer for air-con and evenings
- Evenings turn genuinely cool — pack a warm layer for after dark
- Comfortable walking shoes — every guide on this site assumes you'll use them
January against the rest of the year
Warmest in Mexico City: Mar (28°C / 82°F) · Coolest: Dec (22°C / 72°F) · Wettest: Aug (~28 rain days)
23°
7°
Jan
25°
8°
Feb
28°
10°
Mar
28°
12°
Apr
28°
13°
May
26°
14°
Jun
23°
13°
Jul
23°
13°
Aug
23°
13°
Sep
23°
11°
Oct
24°
9°
Nov
22°
8°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)