The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Cancún Weather in August

Cancún in August

The short of it: Cancún in August averages a high of 34 °C (93 °F) and a low of 24 °C (74 °F), with 112 mm (4.4 in) of rain and about 12 h 51 min of daylight. Rated 1 of 5 for a visit; the best months are January and February. Source: TerraClimate climate normals, 1991–2020.

Average high 34° · low 24° · rain 112 mm · daylight 12 h 51 min

✦ Travel with care for a visit · best months: January & February

Thirty years of records give Cancún an average August high of 34°, a low of 24° and some 112 mm of rain. The height of summer in Cancún, with afternoons near 34°. Wet spells are common — about 112 mm, the 4th wettest month.

The sun is up for about 12 h 51 min in mid-August, 27 minutes less than a month before.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates August 1 of 5 for a visit; the finest months here are January and February.

Against its neighbours, Cancún runs warmer than most and drier than most in August. Zona Urbana Ejido Isla Mujeres, 6 km to the N, sees much the same highs.

August in Cancún, by the numbers

Warmth rank
1st warmest of 12
Rain rank
4th wettest of 12
Versus July
about the same, 33 mm more rain
Versus September
1° warmer
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
12 h 51 min
Average wind
9 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
Zona Urbana Ejido Isla MujeresQuintana Roo6 km N34°24°116 mm
Alfredo V. BonfilQuintana Roo10 km S34°24°114 mm
Isla MujeresQuintana Roo14 km ENE33°24°116 mm
El PorvenirQuintana Roo19 km WSW34°23°119 mm
Leona VicarioQuintana Roo42 km WSW34°23°124 mm
ChiquiláQuintana Roo58 km WNW34°22°110 mm
San AngelQuintana Roo61 km W34°22°126 mm
SolferinoQuintana Roo64 km WNW34°22°119 mm

The Almanac · Cancún Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Travel with care
The Almanac Speaks
August
✦✦✦✦✦

The height of summer in Cancún, with afternoons near 34°. Wet spells are common — about 112 mm, the 4th wettest month.

Climate of Cancún by month
MonthHighLowRainWindDaylightVisit
January29°18°68 mm13 km/h10 h 58 min✦✦✦✦
February30°18°33 mm13 km/h11 h 25 min✦✦✦✦
March31°19°29 mm14 km/h11 h 58 min✦✦✦✦
April32°21°50 mm14 km/h12 h 37 min✦✦✦
May33°23°92 mm13 km/h13 h 8 min✦
June33°24°144 mm12 km/h13 h 25 min✦
July34°24°79 mm9 km/h13 h 18 min✦
August34°24°112 mm9 km/h12 h 51 min✦
September33°23°180 mm9 km/h12 h 14 min✦
October32°22°192 mm11 km/h11 h 37 min✦✦
November30°20°94 mm12 km/h11 h 6 min✦✦
December29°19°62 mm11 km/h10 h 51 min✦✦✦

Questions Readers Ask about Cancún in August

Answered from the wire & the Almanac

What is the weather like in Cancún in August?

Days average 34 °C (93 °F) and nights 24 °C (74 °F), with about 112 mm (4.4 in) of rain over the month. The height of summer in Cancún, with afternoons near 34°. Wet spells are common — about 112 mm, the 4th wettest month.

Is August a good time to visit Cancún?

The Almanac gives August 1 of 5 (travel with care). The best months are January and February.

How long are the days in Cancún in August?

In mid-August the sun is up for about 12 h 51 min. The days are shortening — from 10 h 51 min in December to 13 h 25 min in June.

Does it snow in Cancún in August?

Hardly — August nights average 24 °C (74 °F), above freezing.

What should I pack for Cancún in August?

Linen, a wide hat, sun cream and water, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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