Verdict: Fair month
Cancún Weather in October
October runs warm in Cancún, with daily highs around 30°C (86°F) and nights near 24°C (75°F). It's also the wet side of the calendar: rain falls on about 22 days, so build flexibility into plans. October is workable in Cancún if your dates are fixed — just plan around the conditions.
Average high
30°C / 86°F
Average low
24°C / 75°F
Rain days
~22
Precipitation
171 mm
What to pack for Cancún in October
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 22 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
October against the rest of the year
Warmest in Cancún: May (31°C / 88°F) · Coolest: Jan (27°C / 81°F) · Wettest: Oct (~22 rain days)
27°
22°
Jan
27°
22°
Feb
28°
23°
Mar
30°
24°
Apr
31°
25°
May
30°
25°
Jun
31°
26°
Jul
31°
26°
Aug
31°
25°
Sep
30°
24°
Oct
28°
23°
Nov
27°
22°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)