Merida weather in July

In July, Merida sees average daytime highs of 34°C and overnight lows near 24°C, with 85 mm of rain across 15.6 wet days and about 13.1 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 18 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Merida's 8th-clearest and 9th-windiest month. For the whole year in context, see Merida's year-round climate.

Daytime high
34°
4th warmest
Overnight low
24°
11th coldest
Rainfall
85 mm
15.6 wet days
Daylight
13 h 12 min
5:29 AM – 6:39 PM
Cloud cover
58%
8th clearest
Wind
9 km/h
9th windiest
Solar energy
6.62 kWh/m²
Travel score
2.4
out of 10

Merida is capital city of Yucatan, Mexico.

Air quality
Moderate
PM2.5 15 µg/m³ · 2018
Density
1,360/km²
people per km²
Founded
1542

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical July day in Merida reaches about 34°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193424
203424
213524
223524
233524
243524
253524
263524
273524
283524
293524
303524
313524

How July really feels in Merida

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Merida weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°214.210.96.3
Feb31° / 19°15311.35.5
Mar33° / 20°14311.94.2
Apr35° / 22°234.412.52.9
May36° / 24°527.8132.3
Jun35° / 24°12416.713.22.3
Jul34° / 24°8515.613.12.4
Aug34° / 24°9517.112.72.4
Sep33° / 24°13419.312.12.5
Oct32° / 23°8613.711.53.8
Nov30° / 20°305.7115.5
Dec29° / 19°234.310.76.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 28% of July, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34654
44753
54852
64951
74951
85149
95149
105248
115347
125446
135446
145545
155644
165644
175743
185743
195743
205743
215743
225743
235743
245842
255743
265743
275743
285842
295842
305743
315743

Chance of precipitation in July

Any precipitation

Merida gets around 85 mm of rain over 15.6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
749
849
949
1050
1150
1251
1351
1451
1552
1652
1752
1852
1953
2053
2153
2253
2353
2453
2553
2653
2753
2853
2953
3053
3153

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
187418
287517
377617
477716
577815
667915
768014
868014
968014
1058213
1158213
1258213
1348313
1448313
1548313
1638413
1738413
1838413
1938314
2038314
2128414
2228315
2328315
2428315
2528216
2628216
2738017
2838017
2937918
3037819
3137819

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 18 min at the start of July to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:24 AM to 5:35 AM, and sunset from 6:40 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:246:40
213.35:246:40
313.35:256:40
413.25:256:40
513.25:256:40
613.25:266:40
713.25:266:40
813.25:266:40
913.25:276:40
1013.25:276:40
1113.25:276:40
1213.25:286:40
1313.25:286:39
1413.25:296:39
1513.25:296:39
1613.25:296:39
1713.25:306:39
1813.15:306:39
1913.15:306:38
2013.15:316:38
2113.15:316:38
2213.15:326:37
2313.15:326:37
2413.15:326:37
2513.15:336:36
2613.05:336:36
2713.05:346:36
2813.05:346:35
2913.05:346:35
3013.05:356:34
3113.05:356:34

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.62 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.7 kWh/m² in May across the year — July's 6.62 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in July

Hazard calendar for Merida

In seasonPeak

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

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

Merida's rainy season runs June–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 July a good time to visit Merida?

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

2.4
Sightseeing
9th-best month of the year
5.0
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Merida.

What to pack for Merida in July

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

In July, Merida sees daytime highs around 34°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Merida in July

The nearest coast averages about 27°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 45 km away) is warmest in September at about 28°C and coldest in January near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar25Warm
Apr26Warm
May26Warm
Jun27Warm
Jul27Warm
Aug28Warm
Sep28Tropical
Oct28Warm
Nov26Warm
Dec25Warm

UV index in Merida in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Merida peaks around June 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 16UV 13Dec 17UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar11Extreme
Apr12Extreme
May11Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Merida in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Merida is worst in April — around 25 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Merida's WHO annual average of 15 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2024 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar12Good
Apr25Moderate
May20Moderate
Jun25Moderate
Jul23Moderate
Aug19Moderate
Sep15Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Merida?

Merida sits at 21.0°N, 89.6°W, 10 m above sea level, in Mexico. The nearest listed city is Kanasín, 8.0 km away.

Topography around Merida

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

Within 3 km, the terrain around Merida has only modest variations in elevation — a maximum elevation change of 13 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, only modest variations in elevation — a maximum elevation change of 152 m.

The land around Merida is covered by artificial surfaces (89%) within 3 km, trees (56%) and artificial surfaces (27%) within 16 km, and trees (64%) and water (24%) within 80 km.

3 km
13 m
16 km
33 m
80 km
152 m
treesgrasslandartificial surfacesbare terrainwatermangroves
July weather nearby: Kanasín 8.0 km · Umán 16 km · Hunucmá 27 km · Progreso 35 km · Motul 38 km · Izamal 63 km · Ticul 64 km · Oxkutzkab 76 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 Merida (20.967°, -89.6232°, elevation 10 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).