Santo Tomás weather in August

In August, Santo Tomás sees average daytime highs of 32°C and overnight lows near 25°C, with 233 mm of rain across 23.7 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Santo Tomás's 11th-clearest and 8th-windiest month. For the whole year in context, see Santo Tomás's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
8th coldest
Rainfall
233 mm
23.7 wet days
Daylight
12 h 24 min
5:52 AM – 6:14 PM
Cloud cover
89%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
5.58 kWh/m²
Travel score
2.7
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Santo Tomás reaches about 32°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°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)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253125
263125
273125
283125
293125
303125
313125

How August really feels in Santo Tomás

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.

Santo Tomás weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°71.611.45.4
Feb32° / 25°51.111.65.1
Mar32° / 25°214.711.94.5
Apr32° / 26°8913.212.23.3
May32° / 26°24723.912.52.7
Jun32° / 26°2032212.62.8
Jul32° / 26°15118.412.63.1
Aug32° / 25°23323.712.42.7
Sep31° / 25°30427.612.12.4
Oct31° / 25°33528.611.82.6
Nov31° / 25°20622.511.53.2
Dec31° / 25°57811.44.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4793
5793
6793
7793
8793
9793
10694
11694
12793
13793
14793
15793
16793
17793
18595
19595
20595
21694
22694
23694
24694
25694
26694
27595
28595
29595
30595
31595

Chance of precipitation in August

Any precipitation

Santo Tomás gets around 233 mm of rain over 23.7 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 77% and peaks near 87% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
167
268
368
469
570
670
771
871
971
1072
1172
1273
1373
1474
1575
1675
1776
1877
1978
2079
2180
2281
2382
2483
2584
2684
2785
2886
2987
3087
3187

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1694
2694
3595
4595
5595
6595
7595
8496
9496
10496
11595
12595
13595
14595
15595
16595
17595
18595
19595
20595
21595
22595
23496
24496
25496
26496
27496
28397
29397
30397
31397

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 18 minutes over August. Sunrise moves from 5:51 AM to 5:52 AM, and sunset from 6:19 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:516:19
212.55:516:19
312.55:516:19
412.55:516:19
512.45:516:18
612.45:516:18
712.45:526:18
812.45:526:17
912.45:526:17
1012.45:526:16
1112.45:526:16
1212.45:526:16
1312.45:526:15
1412.45:526:15
1512.45:526:14
1612.45:526:14
1712.35:526:13
1812.35:526:13
1912.35:536:12
2012.35:536:12
2112.35:536:11
2212.35:536:11
2312.35:536:10
2412.35:536:10
2512.35:536:09
2612.35:536:09
2712.35:536:08
2812.25:536:07
2912.25:536:07
3012.25:536:06
3112.25:526:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.58 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.46 kWh/m² in March across the year — August's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Santo Tomás

In seasonPeak

In August, Santo Tomás sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Santo Tomás's rainy season runs May–November, when most of the year's rain falls.

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

Is August a good time to visit Santo Tomás?

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

2.7
Sightseeing
9th-best month of the year
4.2
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Santo Tomás.

What to pack for Santo Tomás in August

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

In August, Santo Tomás sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Santo Tomás in August

The nearest coast averages about 29°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 43 km away) is warmest in September at about 29°C and coldest in February near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Santo Tomás 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 Santo Tomás peaks around June 15 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 highJun 15UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Santo Tomás 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 Santo Tomás is worst in March — around 42 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (November, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1841 µg/m³Nov 2116 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb25Moderate
Mar42Poor
Apr31Moderate
May31Moderate
Jun31Moderate
Jul30Moderate
Aug24Moderate
Sep20Moderate
Oct18Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is Santo Tomás?

Santo Tomás sits at 10.8°N, 74.8°W, 10 m above sea level, in Colombia. The nearest listed city is Palmar de Varela, 2.0 km away.

Topography around Santo Tomás

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

Within 3 km, the terrain around Santo Tomás has only modest variations in elevation — a maximum elevation change of 29 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 141 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,802 m.

The land around Santo Tomás is covered by grassland (42%) within 3 km, grassland (53%) and trees (20%) within 16 km, and water (36%), grassland (32%) and trees (24%) within 80 km.

3 km
29 m
16 km
141 m
80 km
1,802 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Palmar de Varela 2.0 km · Sabanagrande 4.0 km · Sitionuevo 4.0 km · Polonuevo 11 km · Malambo 12 km · Ponedera 13 km · Soledad 18 km · Baranoa 18 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 Santo Tomás (10.7577°, -74.7545°, 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. 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).