San Juan Nepomuceno weather in August

In August, San Juan Nepomuceno sees average daytime highs of 32°C and overnight lows near 25°C, with 185 mm of rain across 26.7 wet days and about 12.3 hours of daylight. It is the 6th-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 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is San Juan Nepomuceno's 11th-clearest and 4th-windiest month. For the whole year in context, see San Juan Nepomuceno's year-round climate.

Daytime high
32°
6th warmest
Overnight low
25°
8th coldest
Rainfall
185 mm
26.7 wet days
Daylight
12 h 18 min
5:54 AM – 6:14 PM
Cloud cover
90%
11th clearest
Wind
6 km/h
4th windiest
Solar energy
4.92 kWh/m²
Travel score
2.3
out of 10

San Juan Nepomuceno is Colombia.

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

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 San Juan Nepomuceno reaches about 32°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 34°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How August really feels in San Juan Nepomuceno

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
29 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.

San Juan Nepomuceno weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°194.611.53.7
Feb35° / 24°235.511.72.8
Mar34° / 25°5812.211.92.6
Apr33° / 25°15023.512.22.3
May32° / 25°24328.112.42.3
Jun32° / 25°17324.112.62.6
Jul32° / 25°14123.612.52.5
Aug32° / 25°18526.712.32.3
Sep31° / 24°21827.212.12.4
Oct31° / 24°25228.411.82.6
Nov31° / 24°1742411.53.0
Dec32° / 24°7313.111.43.8

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 4% of August, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2595
3595
4694
5694
6694
7694
8694
9694
10694
11694
12694
13595
14595
15595
16595
17595
18595
19595
20595
21595
22694
23694
24694
25694
26694
27595
28595
29595
30595
31595

Chance of precipitation in August

Any precipitation

San Juan Nepomuceno gets around 185 mm of rain over 26.7 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 86% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
180
281
381
482
582
683
783
883
983
1084
1184
1284
1385
1485
1586
1686
1787
1887
1988
2088
2188
2289
2389
2489
2590
2690
2790
2890
2991
3091
3191

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12179
22179
32179
42080
52080
62080
72080
82080
92080
102080
112080
122080
132080
142080
151981
161981
171981
181981
191981
201981
211981
221981
231981
241981
251981
262080
272080
282080
292080
302179
312179

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 24 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 12 minutes over August. Sunrise moves from 5:53 AM to 5:54 AM, and sunset from 6:20 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:536:20
212.45:536:19
312.45:536:19
412.45:546:19
512.45:546:19
612.45:546:18
712.45:546:18
812.45:546:18
912.45:546:17
1012.45:546:17
1112.45:546:16
1212.45:546:16
1312.45:546:16
1412.35:546:15
1512.35:546:15
1612.35:546:14
1712.35:556:14
1812.35:556:13
1912.35:556:13
2012.35:556:12
2112.35:556:12
2212.35:556:11
2312.35:556:11
2412.35:556:10
2512.35:556:10
2612.25:556:09
2712.25:546:09
2812.25:546:08
2912.25:546:08
3012.25:546:07
3112.25:546:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.92 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 5.67 kWh/m² in February across the year — August's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit San Juan Nepomuceno?

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

2.3
Sightseeing
10th-best month of the year
3.8
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in San Juan Nepomuceno.

What to pack for San Juan Nepomuceno in August

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

In August, San Juan Nepomuceno sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near San Juan Nepomuceno in August

The nearest coast averages about 30°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 60 km away) is warmest in July at about 30°C and coldest in March near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar28Warm
Apr28Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in San Juan Nepomuceno 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 San Juan Nepomuceno peaks around June 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 11UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in San Juan Nepomuceno 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 San Juan Nepomuceno is worst in March — around 48 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (November, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1745 µg/m³Nov 1915 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb26Moderate
Mar48Poor
Apr30Moderate
May26Moderate
Jun24Moderate
Jul26Moderate
Aug21Moderate
Sep17Moderate
Oct16Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is San Juan Nepomuceno?

San Juan Nepomuceno sits at 10.0°N, 75.1°W, 172 m above sea level, in Colombia. The nearest listed city is San Jacinto, 14 km away.

Topography around San Juan Nepomuceno

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

Within 3 km, the terrain around San Juan Nepomuceno has significant variations in elevation — a maximum elevation change of 294 m around an average of 228 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 786 m; within 80 km, large variations in elevation — a maximum elevation change of 811 m.

The land around San Juan Nepomuceno is covered by trees (47%) and grassland (46%) within 3 km, trees (72%) and grassland (28%) within 16 km, and grassland (53%) and trees (28%) within 80 km.

3 km
294 m
16 km
786 m
80 km
811 m
treesgrasslandartificial surfaceswaterwetlandmangroves
August weather nearby: San Jacinto 14 km · San Pablo 23 km · María la Baja 24 km · El Carmen de Bolívar 26 km · Mahates 33 km · Plato 37 km · Santa Lucía 44 km · Arjona 44 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 Juan Nepomuceno (9.9516°, -75.082°, elevation 172 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).