Bacalar weather in August

In August, Bacalar sees average daytime highs of 33°C and overnight lows near 24°C, with 145 mm of rain across 22.4 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 29% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Bacalar's 8th-clearest and 9th-windiest month. For the whole year in context, see Bacalar's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
10th coldest
Rainfall
145 mm
22.4 wet days
Daylight
12 h 36 min
5:39 AM – 6:17 PM
Cloud cover
61%
8th clearest
Wind
9 km/h
9th windiest
Solar energy
5.68 kWh/m²
Travel score
2.7
out of 10

Bacalar is city of Quintana Roo State, Mexico.

Founded
1545

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical August day in Bacalar reaches about 33°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13324
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How August really feels in Bacalar

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bacalar weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°379.8116.1
Feb30° / 20°195.711.45.8
Mar31° / 21°235.311.95.2
Apr33° / 23°356.612.44.2
May33° / 24°8514.312.93.2
Jun32° / 25°17521.413.12.9
Jul32° / 25°10620.1133.0
Aug33° / 24°14522.412.62.7
Sep32° / 24°16524.912.12.5
Oct31° / 23°15220.611.63.5
Nov29° / 21°7212.911.15.0
Dec29° / 20°3910.410.95.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45347
55149
65149
75050
85050
95050
105050
114951
124951
134951
145050
155050
165050
175050
185149
195050
205050
215050
224852
234852
244753
254753
264654
274555
284456
294456
304456
314258

Chance of precipitation in August

Any precipitation

Bacalar gets around 145 mm of rain over 22.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 72% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
267
367
468
568
668
769
869
969
1069
1169
1270
1370
1470
1571
1671
1772
1872
1972
2073
2174
2274
2375
2476
2576
2677
2778
2878
2979
3079
3179

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the miserable band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13070
22971
32971
42971
52872
62872
72773
82773
92773
102674
112674
122674
132575
142575
152575
162476
172476
182476
192476
202476
212377
222377
232278
242179
252179
262080
271981
281882
291882
301783
311783

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:34 AM to 5:42 AM, and sunset from 6:25 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:346:25
212.85:346:25
312.85:356:24
412.85:356:24
512.85:356:23
612.85:366:23
712.85:366:22
812.85:366:22
912.75:376:21
1012.75:376:21
1112.75:376:20
1212.75:376:19
1312.75:386:19
1412.75:386:18
1512.75:386:17
1612.65:396:17
1712.65:396:16
1812.65:396:15
1912.65:396:15
2012.65:406:14
2112.65:406:13
2212.55:406:13
2312.55:406:12
2412.55:406:11
2512.55:416:10
2612.55:416:09
2712.55:416:09
2812.45:416:08
2912.45:426:07
3012.45:426:06
3112.45:426:05

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.68 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 6.1 kWh/m² in April across the year — August's 5.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Bacalar

In seasonPeak

In August, Bacalar sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Bacalar sits in the Atlantic hurricane belt; the season peaks August–October.

Bacalar's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Bacalar?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.7
Sightseeing
11th-best month of the year
4.6
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Bacalar.

What to pack for Bacalar in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Bacalar sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Bacalar in August

The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 km away) is warmest in September at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov28Warm
Dec27Warm

UV index in Bacalar in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bacalar peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 12UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Bacalar in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Bacalar is worst in June — around 30 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2130 µg/m³Dec 157 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr19Moderate
May24Moderate
Jun30Moderate
Jul29Moderate
Aug21Moderate
Sep15Moderate
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is Bacalar?

Bacalar sits at 18.7°N, 88.4°W, 0 m above sea level, in Mexico. The nearest listed city is Chetumal, 20 km away.

Topography around Bacalar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bacalar.

Within 3 km, the terrain around Bacalar has only modest variations in elevation — a maximum elevation change of 27 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, only modest variations in elevation — a maximum elevation change of 229 m.

The land around Bacalar is covered by trees (41%) and water (33%) within 3 km, trees (72%) within 16 km, and trees (64%) within 80 km.

3 km
27 m
16 km
64 m
80 km
229 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Chetumal 20 km · Orange Walk 69 km · San Pedro 96 km · Crooked Tree 102 km · Felipe Carrillo Puerto 106 km · Caye Caulker 112 km · Belize City 133 km · Belmopan 163 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bacalar (18.6811°, -88.3933°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).