San Luis weather in August

In August, San Luis sees average daytime highs of 32°C and overnight lows near 23°C, with 110 mm of rain across 20.6 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 5th-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 23% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is San Luis's 9th-clearest and 10th-windiest month. For the whole year in context, see San Luis's year-round climate.

Daytime high
32°
1st warmest
Overnight low
23°
12th coldest
Rainfall
110 mm
20.6 wet days
Daylight
12 h 42 min
5:47 AM – 6:28 PM
Cloud cover
62%
9th clearest
Wind
6 km/h
10th windiest
Solar energy
6.3 kWh/m²
Travel score
3.0
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 San Luis reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°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)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How August really feels in San Luis

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
heat index over the day's high
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 Luis weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°15410.97.0
Feb29° / 19°153.511.36.7
Mar29° / 19°326.511.96.0
Apr30° / 21°559.812.45.1
May31° / 22°14318.712.93.9
Jun31° / 23°11318.513.23.4
Jul32° / 23°8918.613.13.2
Aug32° / 23°11020.612.73.0
Sep31° / 23°14122.912.13.0
Oct30° / 22°12020.211.53.8
Nov29° / 21°5810.1115.6
Dec28° / 20°255.110.86.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 27% of August, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55644
65644
75644
85644
95644
105545
115545
125545
135446
145446
155248
165149
175050
184951
194852
204654
214654
224357
234357
244357
254258
264258
274258
284258
294258
304258
314258

Chance of precipitation in August

Any precipitation

San Luis gets around 110 mm of rain over 20.6 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 67% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
162
263
363
463
562
662
761
861
961
1061
1161
1261
1362
1463
1563
1664
1765
1867
1968
2069
2170
2271
2372
2473
2574
2674
2774
2875
2975
3075
3175

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
19892
29892
38902
48902
58902
68911
78911
88911
98911
108911
118911
128911
138911
148911
158911
168911
177921
187912
197912
206922
216922
226913
235923
245923
255923
264933
274933
284933
294933
304933
314933

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 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:42 AM to 5:51 AM, and sunset from 6:37 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:426:37
212.95:426:37
312.95:426:36
412.95:436:36
512.95:436:35
612.95:436:35
712.85:446:34
812.85:446:34
912.85:446:33
1012.85:456:32
1112.85:456:32
1212.85:456:31
1312.75:466:30
1412.75:466:30
1512.75:466:29
1612.75:476:28
1712.75:476:28
1812.75:476:27
1912.65:486:26
2012.65:486:25
2112.65:486:25
2212.65:486:24
2312.65:496:23
2412.65:496:22
2512.55:496:21
2612.55:496:20
2712.55:506:20
2812.55:506:19
2912.55:506:18
3012.45:506:17
3112.45:516:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.3 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.64 kWh/m² in July across the year — August's 6.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in August

Hazard calendar for San Luis

In seasonPeak

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

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

San Luis's rainy season runs May–October, 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 August a good time to visit San Luis?

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

3.0
Sightseeing
11th-best month of the year
4.9
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in San Luis.

What to pack for San Luis in August

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

In August, San Luis sees daytime highs around 32°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near San Luis 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 35 km away) is warmest in September at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Warm

UV index in San Luis 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 Luis peaks around June 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 14UV 12Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in San Luis 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 Luis is worst in June — around 25 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2124 µg/m³Dec 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr12Good
May15Moderate
Jun25Moderate
Jul23Moderate
Aug19Moderate
Sep15Moderate
Oct12Moderate
Nov8Good
Dec7Good
Location & terrain

Where is San Luis?

San Luis sits at 20.2°N, 75.9°W, 201 m above sea level, in Cuba. The nearest listed city is Palma Soriano, 15 km away.

JiguaníGuantánamoGuisa

Topography around San Luis

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

Within 3 km, the terrain around San Luis has only modest variations in elevation — a maximum elevation change of 171 m around an average of 184 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 569 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,730 m.

The land around San Luis is covered by trees (38%) and grassland (35%) within 3 km, trees (63%) and grassland (27%) within 16 km, and trees (47%) and water (27%) within 80 km.

3 km
171 m
16 km
569 m
80 km
1,730 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Palma Soriano 15 km · Santiago de Cuba 19 km · Contramaestre 43 km · Cueto 52 km · San Germán 55 km · Jiguaní 64 km · Guantánamo 67 km · Guisa 72 km

Cuba travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / L
110 V · 60 Hz
Prices
≈ 39% of US
price level, 2011
GDP per capita
$9,605
2020
Happiness
5.4 / 10
World Happiness, 2011
Homicide rate
4.5
per 100k, 2019
Road deaths
8.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 515
Religion
Christian 59%none 23%folk religion 18%

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 Luis (20.1881°, -75.8503°, elevation 201 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. 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).