Pasto weather in August

In August, Pasto sees average daytime highs of 19°C and overnight lows near 10°C, with 63 mm of rain across 16.6 wet days and about 12 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 3% of the time in August, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Pasto's 1st-clearest and 1st-windiest month. For the whole year in context, see Pasto's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
1st coldest
Rainfall
63 mm
16.6 wet days
Daylight
12 hours
6:12 AM – 6:14 PM
Cloud cover
77%
1st clearest
Wind
9 km/h
1st windiest
Solar energy
5.39 kWh/m²
Travel score
4.9
out of 10
Air quality
Good
PM2.5 9 µg/m³ · 2014

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 19°C through the month.

A typical August day in Pasto reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11810
21810
31810
41810
51810
61910
71910
81910
91910
101910
111910
121910
131910
141910
151910
161910
171910
181910
191910
201910
211910
221910
231910
241910
251910
261910
271910
281910
291910
301910
311910

Pasto weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 10°17722.411.94.1
Feb19° / 11°18222.4123.9
Mar19° / 11°23627.5123.5
Apr19° / 11°23127.5123.3
May19° / 11°18127.312.13.5
Jun18° / 10°11423.712.13.8
Jul18° / 10°9222.212.14.2
Aug19° / 10°6316.6124.9
Sep20° / 10°9919.9124.5
Oct19° / 10°19525.2123.8
Nov19° / 10°24426.511.93.5
Dec19° / 10°22225.811.93.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
32080
42179
52179
62179
72179
82179
92179
102179
112179
122080
132080
142080
151981
161981
171882
181882
191783
201783
211684
221684
231684
241783
251783
261783
271783
281783
291783
301783
311783

Chance of precipitation in August

Any precipitation

Pasto gets around 63 mm of rain over 16.6 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
260
359
458
557
656
755
855
955
1054
1154
1254
1354
1454
1554
1654
1754
1855
1955
2055
2155
2255
2355
2455
2555
2655
2755
2855
2956
3056
3157

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

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

Across August, daily wind ranges from about 8 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
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 06 min at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over August. Sunrise moves from 6:14 AM to 6:08 AM, and sunset from 6:17 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:146:17
212.16:146:17
312.16:136:17
412.16:136:16
512.16:136:16
612.06:136:16
712.06:136:16
812.06:136:16
912.06:136:16
1012.06:136:16
1112.06:136:15
1212.06:136:15
1312.06:126:15
1412.06:126:15
1512.06:126:15
1612.06:126:14
1712.06:126:14
1812.06:126:14
1912.06:116:14
2012.06:116:13
2112.06:116:13
2212.06:116:13
2312.06:116:13
2412.06:106:12
2512.06:106:12
2612.06:106:12
2712.06:106:11
2812.06:096:11
2912.06:096:11
3012.06:096:10
3112.06:086:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.39 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 5.65 kWh/m² in September across the year — August's 5.39 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in August

Is August a good time to visit Pasto?

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

4.9
Sightseeing
1st-best month of the year
2.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Pasto for sightseeing.

What to pack for Pasto in August

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

In August, Pasto sees daytime highs around 19°C and nights near 10°C. Pack rain gear. Worth having: sun protection. About 17 days see rain.

rain gearsun protection

UV index in Pasto in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pasto peaks around February 20 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 23 at about 13 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 17Jul 23UV 13
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar17Extreme
Apr15Extreme
May16Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep15Extreme
Oct15Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Pasto?

Pasto sits at 1.2°N, 77.3°W, 2,569 m above sea level, in Colombia. The nearest listed city is Buesaco, 23 km away.

Topography around Pasto

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

Within 3 km, the terrain around Pasto has significant variations in elevation — a maximum elevation change of 424 m around an average of 2,616 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,750 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,628 m.

The land around Pasto is covered by artificial surfaces (53%) and grassland (31%) within 3 km, trees (57%) and grassland (37%) within 16 km, and trees (76%) and grassland (23%) within 80 km.

3 km
424 m
16 km
2,750 m
80 km
4,628 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Buesaco 23 km · San Lorenzo 33 km · Samaniego 38 km · Túquerres 40 km · Providencia 45 km · La Unión 46 km · Pupiales 55 km · Ipiales 59 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 Pasto (1.2146°, -77.2785°, elevation 2,569 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).