Cancún in August

7.2out of 10

Possible, with caveats

Warm and comfortable: highs around 29°C. Frequent rain: about 14 rainy days.

29°CAvg high
27°CAvg low
14Rainy days (87 mm)
12:44 hDaylight
06:30Sunrise · 19:13 Sunset

Why this score

  • Warm and comfortable: highs around 29°C
  • Frequent rain: about 14 rainy days
  • Rain varies a lot between years (±4.2 days)

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rain in August varies a lot between years (±4.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

25° 23° J 25° 24° F 26° 24° M 26° 25° A 27° 26° M 28° 27° J 28° 27° J 29° 27° A 28° 27° S 28° 26° O 27° 25° N 26° 24° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 25°C23°C67 mm 11– – 7.7
February 25°C24°C33 mm 7– – 8.2
March 26°C24°C25 mm 5– – 8.4
April 26°C25°C26 mm 5– – 8.4
May 27°C26°C74 mm 10– – 7.8
June 28°C27°C134 mm 16– – 6.8
July 28°C27°C65 mm 11– – 7.6
August 29°C27°C87 mm 14– – 7.2
September 28°C27°C161 mm 20– – 6.1
October 28°C26°C191 mm 19– – 6.1
November 27°C25°C91 mm 12– – 7.5
December 26°C24°C61 mm 11– – 7.6

Frequently asked questions

How hot is Cancún in August?

Daytime highs average 29°C and nights about 27°C.

When is the best time to visit Cancún?

The best months are March, April, February.