Guamal weather in July

In July, Guamal sees average daytime highs of 33°C and overnight lows near 25°C, with 238 mm of rain across 25 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 8th-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 2% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of July to 12 h 24 min by month's end. Set against the rest of the year, July is Guamal's 7th-clearest and 5th-windiest month. For the whole year in context, see Guamal's year-round climate.

Daytime high
33°
5th warmest
Overnight low
25°
9th coldest
Rainfall
238 mm
25 wet days
Daylight
12 h 30 min
5:48 AM – 6:17 PM
Cloud cover
88%
7th clearest
Wind
5 km/h
5th windiest
Solar energy
5.31 kWh/m²
Travel score
2.3
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 Guamal reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How July really feels in Guamal

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.

Guamal weather by month

How July compares with the rest of the year at a glance. July is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 25°337.411.53.5
Feb35° / 26°478.211.72.8
Mar34° / 26°11716.611.92.4
Apr33° / 25°27025.512.22.1
May32° / 25°3832912.42.1
Jun32° / 25°29526.212.52.2
Jul33° / 25°2382512.52.3
Aug32° / 25°2772612.32.2
Sep32° / 25°31628.212.12.2
Oct31° / 24°32429.211.82.3
Nov31° / 24°23826.211.62.5
Dec32° / 25°10316.911.53.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 6% of July, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61090
7991
8991
9991
10991
11991
12892
13892
14892
15892
16892
17892
18892
19892
20892
21892
22892
23892
24793
25793
26793
27793
28694
29694
30694
31694

Chance of precipitation in July

Any precipitation

Guamal gets around 238 mm of rain over 25 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 81% and peaks near 82% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
380
480
581
681
781
881
981
1081
1181
1281
1381
1481
1581
1681
1781
1880
1980
2080
2180
2280
2380
2480
2581
2681
2781
2881
2981
3082
3182

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1397
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12397
13397
14397
15397
16397
17397
18397
19397
20397
21397
22397
23397
24397
25397
26397
27397
28397
29397
30397
31397

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 30 min at the start of July to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over July. Sunrise moves from 5:44 AM to 5:51 AM, and sunset from 6:16 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:446:16
212.55:456:16
312.55:456:16
412.55:456:16
512.55:456:17
612.55:466:17
712.55:466:17
812.55:466:17
912.55:466:17
1012.55:476:17
1112.55:476:17
1212.55:476:17
1312.55:476:17
1412.55:476:17
1512.55:486:17
1612.55:486:17
1712.55:486:17
1812.55:486:17
1912.55:496:17
2012.55:496:17
2112.55:496:17
2212.55:496:17
2312.55:496:17
2412.45:506:17
2512.45:506:16
2612.45:506:16
2712.45:506:16
2812.45:506:16
2912.45:506:16
3012.45:516:16
3112.45:516:15

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.31 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.01 kWh/m² in March across the year — July's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in July

Is July a good time to visit Guamal?

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

2.3
Sightseeing
6th-best month of the year
3.9
Beach & pool
5th-best month of the year

July is a weaker month for outdoor sightseeing in Guamal.

What to pack for Guamal in July

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

In July, Guamal sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Guamal 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 Guamal peaks around March 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 14UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Guamal 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 Guamal is worst in March — around 47 µg/m³ PM2.5 (poor), about 4.2× the cleanest month (December, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodMar 1744 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb26Moderate
Mar47Poor
Apr27Moderate
May22Moderate
Jun21Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Guamal?

Guamal sits at 9.1°N, 74.2°W, 28 m above sea level, in Colombia. The nearest listed city is Mompós, 25 km away.

Topography around Guamal

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

Within 3 km, the terrain around Guamal has only modest variations in elevation — a maximum elevation change of 15 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,347 m.

The land around Guamal is covered by grassland (67%) and trees (22%) within 3 km, grassland (65%) within 16 km, and grassland (58%) and trees (22%) within 80 km.

3 km
15 m
16 km
40 m
80 km
1,347 m
treesgrasslandartificial surfaceswaterwetland
July weather nearby: Mompós 25 km · El Banco 31 km · Pinillos 37 km · Chimichagua 47 km · Astrea 48 km · Magangué 59 km · Tiquisio 65 km · Sucre 66 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 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 Guamal (9.1433°, -74.2238°, elevation 28 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).