San Luis weather in January

In January, San Luis sees average daytime highs of 28°C and overnight lows near 19°C, with 15 mm of rain across 4 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 12th-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 60% of the time in January, and the air most often feels muggy.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is San Luis's 2nd-clearest and 1st-windiest month. For the whole year in context, see San Luis's year-round climate.

Daytime high
28°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
15 mm
4 wet days
Daylight
10 h 54 min
6:46 AM – 5:40 PM
Cloud cover
38%
2nd clearest
Wind
9 km/h
1st windiest
Solar energy
4.41 kWh/m²
Travel score
7.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in San Luis reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302919
312919

How January really feels in San Luis

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Luis weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48119
58119
68119
78119
88119
98218
108218
118218
128218
138317
148317
158218
168218
178317
188317
198317
208317
218317
228317
238317
248416
258416
268416
278416
288515
298515
308515
318515

Chance of precipitation in January

Any precipitation

San Luis gets around 15 mm of rain over 4 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
412
512
612
712
812
912
1012
1113
1213
1313
1413
1513
1613
1713
1814
1914
2014
2114
2214
2314
2413
2513
2613
2713
2813
2913
3013
3112

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11625653
21626652
31627642
41629622
51630621
61631611
71632601
81633591
91634581
101634581
112734561
122734570
132734570
142834560
152834560
162934550
172934550
1821034540
1921034540
2021135520
2121135520
2221236500
2321237490
2421238480
2521339470
2621340450
2721341440
2811342430
2911344420
3011344410
3111345410

Wind in January

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

Across January, 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
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:43 AM to 6:44 AM, and sunset from 5:30 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:435:30
210.86:435:31
310.86:435:32
410.86:445:32
510.86:445:33
610.86:445:33
710.86:445:34
810.86:455:35
910.86:455:35
1010.86:455:36
1110.96:455:37
1210.96:455:37
1310.96:455:38
1410.96:455:38
1510.96:465:39
1610.96:465:40
1710.96:465:40
1810.96:465:41
1910.96:465:42
2010.96:465:42
2111.06:465:43
2211.06:465:44
2311.06:465:44
2411.06:465:45
2511.06:455:45
2611.06:455:46
2711.06:455:47
2811.06:455:47
2911.16:455:48
3011.16:455:49
3111.16:445:49

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.41 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 — January's 4.41 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for San Luis

In seasonPeak

None of San Luis's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 January a good time to visit San Luis?

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

7.0
Sightseeing
1st-best month of the year
8.2
Beach & pool
2nd-best month of the year

January is one of the better times to visit San Luis for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Luis in January

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

In January, San Luis sees daytime highs around 28°C and nights near 19°C. Pack light clothes. About 4 days see rain.

light clothes

Sea temperature near San Luis in January

The nearest coast averages about 27°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 — enough to warrant sun protection. 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).