Cancún in October 2026: weather, sargassum and which beaches to pick
In October the seaweed season eases, with highs near 88 °F (31 °C) and lows near 73 °F (23 °C). The usually light beaches, such as Playa Langosta, Playa Tortugas and Playa Caracol, are expected light; the open coast from the Hotel Zone to Tulum is expected moderate.
Typical weather
Climate averages- High
- 88 °F 31 °C
- Low
- 73 °F 23 °C
- Rain
- 9.9 in 251 mm
Inside the Atlantic hurricane season (June 1 – November 30).
Source: NOAA NCEI Global Summary of the Month, Cancún station
Seaweed by zone
Expected for October- Costa Mujeres3 usually light beachesExpected light · October
- Cancún · bay sideUsually lightExpected light · October
- Cozumel · west coastUsually lightExpected light · October
- Holbox2 usually light beachesExpected moderate · October
- Isla Mujeres4 usually light beachesExpected moderate · October
- Cancún · open coastExpected moderate · October
- Puerto MorelosExpected moderate · October
- Playa del CarmenExpected moderate · October
- Cozumel · east coastExpected moderate · October
- TulumExpected moderate · October
- Costa MayaExpected moderate · October
Going in October?All-inclusive resorts on usually light beaches
See the resortsSeaweed offshore of Cancún in October
For October, the median offshore floating-algae index is in the middle third of this area's monthly range.
Satellite archive through: