San Andrés weather in July

In July, San Andrés sees average daytime highs of 28°C and overnight lows near 26°C, with 247 mm of rain across 25.4 wet days and about 12.7 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 15% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 42 min at the start of July to 12 h 36 min by month's end. Set against the rest of the year, July is San Andrés's 11th-clearest and 4th-windiest month. For the whole year in context, see San Andrés's year-round climate.

Daytime high
28°
4th warmest
Overnight low
26°
11th coldest
Rainfall
247 mm
25.4 wet days
Daylight
12 h 42 min
6:12 AM – 6:53 PM
Cloud cover
76%
11th clearest
Wind
26 km/h
4th windiest
Solar energy
5.5 kWh/m²
Travel score
4.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical July day in San Andrés reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, July runs on par with June and on par with August.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How July really feels in San Andrés

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.

San Andrés weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°5715.611.36.2
Feb27° / 25°279.311.67.1
Mar27° / 26°186.511.97.6
Apr27° / 26°276.812.37.2
May28° / 26°14519.112.65.0
Jun28° / 26°24525.412.73.9
Jul28° / 26°24725.412.74.0
Aug28° / 26°23026.112.43.9
Sep28° / 26°22226.212.13.7
Oct28° / 26°29828.111.73.7
Nov27° / 26°26225.311.44.1
Dec27° / 26°11420.411.35.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22278
32278
42278
52377
62377
72377
82278
92278
102278
112278
122278
132377
142476
152476
162575
172674
182674
192674
202773
212872
222971
232971
242971
252971
262971
273070
283070
293070
303070
313070

Chance of precipitation in July

Any precipitation

San Andrés gets around 247 mm of rain over 25.4 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 82% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
383
483
583
683
783
883
983
1083
1183
1283
1383
1483
1583
1682
1782
1881
1981
2081
2180
2280
2380
2480
2580
2680
2780
2880
2980
3081
3181

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12080
22179
32179
42179
52179
62278
72278
82278
92278
102179
112179
122179
132179
142179
152080
162080
171981
181981
191981
201882
211882
221882
231783
241783
251783
261783
271783
281783
291684
301684
311684

Wind in July

Winds average 26 km/h in July.

Across July, daily wind ranges from about 24 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
726breezy
826breezy
926breezy
1026breezy
1126breezy
1226breezy
1326breezy
1426breezy
1526breezy
1626breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3024breezy
3124breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 42 min at the start of July to 12 h 36 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 6:08 AM to 6:16 AM, and sunset from 6:52 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:086:52
212.76:086:52
312.76:096:52
412.76:096:52
512.76:096:53
612.76:106:53
712.76:106:53
812.76:106:53
912.76:106:53
1012.76:116:53
1112.76:116:53
1212.76:116:53
1312.76:116:53
1412.76:126:53
1512.76:126:53
1612.76:126:53
1712.76:126:53
1812.76:136:52
1912.76:136:52
2012.76:136:52
2112.66:136:52
2212.66:146:52
2312.66:146:52
2412.66:146:52
2512.66:146:51
2612.66:156:51
2712.66:156:51
2812.66:156:51
2912.66:156:51
3012.66:166:50
3112.66:166:50

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.63 kWh/m² in April across the year — July's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for San Andrés

In seasonPeak

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

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

San Andrés's rainy season runs May–November, 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 San Andrés?

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

4.0
Sightseeing
8th-best month of the year
4.3
Beach & pool
8th-best month of the year

July is a reasonable time to visit San Andrés for sightseeing.

What to pack for San Andrés in July

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

In July, San Andrés sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 25 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near San Andrés in July

The nearest coast averages about 28°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in San Andrés 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 San Andrés peaks around April 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highApr 14UV 13Dec 16UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in San Andrés 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 San Andrés is worst in July — around 35 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (November, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1434 µg/m³Nov 178 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar11Good
Apr15Moderate
May24Moderate
Jun31Moderate
Jul35Moderate
Aug26Moderate
Sep16Moderate
Oct11Good
Nov8Good
Dec11Good
Location & terrain

Where is San Andrés?

San Andrés sits at 12.6°N, 81.7°W, in Colombia. The nearest listed city is Pearl Lagoon, 216 km away.

Topography around San Andrés

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

Within 3 km, the terrain around San Andrés has only modest variations in elevation — a maximum elevation change of 91 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 91 m; within 80 km, only modest variations in elevation — a maximum elevation change of 86 m.

The land around San Andrés is covered by water (70%) within 3 km, water (97%) within 16 km, and water (100%) within 80 km.

3 km
91 m
16 km
91 m
80 km
86 m
treesgrasslandartificial surfacesbare terrainwatermangroves
July weather nearby: Pearl Lagoon 216 km · Bluefields 233 km · Puerto Cabezas 244 km · Rama 278 km · Nueva Guinea 316 km · Puerto Limón 323 km · Siquirres 339 km · El Castillo 341 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 San Andrés (12.5786°, -81.6997°), 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).