Melchor de Mencos weather in July

In July, Melchor de Mencos sees average daytime highs of 33°C and overnight lows near 23°C, with 67 mm of rain across 14.4 wet days and about 12.9 hours of daylight. It is the 4th-warmest and 7th-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 23% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of July to 12 h 48 min by month's end. Set against the rest of the year, July is Melchor de Mencos's 8th-clearest and 1st-windiest month. For the whole year in context, see Melchor de Mencos's year-round climate.

Daytime high
33°
4th warmest
Overnight low
23°
11th coldest
Rainfall
67 mm
14.4 wet days
Daylight
12 h 54 min
5:34 AM – 6:30 PM
Cloud cover
65%
8th clearest
Wind
9 km/h
1st windiest
Solar energy
5.66 kWh/m²
Travel score
2.9
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Melchor de Mencos reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°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)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103323
113323
123323
133323
143323
153323
163323
173323
183423
193423
203423
213423
223423
233423
243423
253423
263423
273423
283423
293423
303423
313423

How July really feels in Melchor de Mencos

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
heat index over the day's high
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.

Melchor de Mencos weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°318.311.16.0
Feb31° / 19°194.911.45.2
Mar33° / 20°285.311.94.0
Apr35° / 22°314.912.42.8
May35° / 23°7811.112.82.4
Jun33° / 24°12419132.6
Jul33° / 23°6714.412.92.9
Aug34° / 23°9616.812.62.5
Sep33° / 23°14922.612.12.4
Oct31° / 22°13219.811.63.5
Nov29° / 20°7413.211.25.0
Dec29° / 19°429.7115.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23664
33565
43565
53664
63664
73664
83763
93862
103862
113961
123961
134060
144159
154159
164258
174357
184357
194555
204555
214654
224654
234654
244753
254753
264852
274852
284852
294852
304852
314852

Chance of precipitation in July

Any precipitation

Melchor de Mencos gets around 67 mm of rain over 14.4 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 47% and peaks near 49% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
749
849
949
1049
1149
1249
1349
1449
1549
1648
1747
1847
1946
2045
2145
2244
2344
2444
2544
2644
2744
2844
2945
3045
3145

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
111863
212853
312862
413852
513852
613852
713852
814842
914842
1014842
1114842
1214851
1314851
1414851
1515841
1615841
1715841
1815841
1915841
2015841
2115841
2215841
2315841
2415841
2515841
2615841
2715841
2815832
2915832
3015832
3115832

Wind in July

Winds average 9 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 9 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
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 hours at the start of July to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:30 AM to 5:39 AM, and sunset from 6:30 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:306:30
213.05:306:30
313.05:306:30
413.05:316:30
513.05:316:30
613.05:316:31
713.05:316:31
813.05:326:31
913.05:326:31
1013.05:326:31
1113.05:336:31
1213.05:336:30
1312.95:336:30
1412.95:346:30
1512.95:346:30
1612.95:346:30
1712.95:356:30
1812.95:356:30
1912.95:356:30
2012.95:366:29
2112.95:366:29
2212.95:366:29
2312.95:376:29
2412.95:376:29
2512.85:376:28
2612.85:386:28
2712.85:386:28
2812.85:386:27
2912.85:396:27
3012.85:396:27
3112.85:396:26

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.66 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 6.08 kWh/m² in April across the year — July's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in July

Hazard calendar for Melchor de Mencos

In seasonPeak

None of Melchor de Mencos's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Melchor de Mencos's rainy season runs August–November, when most of the year's rain falls.

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

Is July a good time to visit Melchor de Mencos?

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

2.9
Sightseeing
7th-best month of the year
5.4
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Melchor de Mencos.

What to pack for Melchor de Mencos in July

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

In July, Melchor de Mencos sees daytime highs around 33°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Melchor de Mencos in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Melchor de Mencos peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May10Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Melchor de Mencos 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 Melchor de Mencos is worst in May — around 30 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (December, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1529 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar10Good
Apr28Moderate
May30Moderate
Jun26Moderate
Jul28Moderate
Aug19Moderate
Sep14Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is Melchor de Mencos?

Melchor de Mencos sits at 17.1°N, 89.2°W, 0 m above sea level, in Guatemala. The nearest listed city is San Ignacio, 14 km away.

BelmopanFloresSan BenitoPoptúnHopkinsDangrigaCrooked Tree

Topography around Melchor de Mencos

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

Within 3 km, the terrain around Melchor de Mencos has only modest variations in elevation — a maximum elevation change of 173 m around an average of 141 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 502 m; within 80 km, large variations in elevation — a maximum elevation change of 1,117 m.

The land around Melchor de Mencos is covered by trees (60%) and grassland (28%) within 3 km, trees (67%) and grassland (31%) within 16 km, and trees (78%) within 80 km.

3 km
173 m
16 km
502 m
80 km
1,117 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: San Ignacio 14 km · Belmopan 46 km · Flores 81 km · San Benito 83 km · Poptún 86 km · Hopkins 95 km · Dangriga 98 km · Crooked Tree 102 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Melchor de Mencos (17.0661°, -89.1523°, 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. 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).