Santa Clara weather in December

In December, Santa Clara sees average daytime highs of 27°C and overnight lows near 19°C, with 22 mm of rain across 4.9 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 44% of the time in December, and the air most often feels muggy.

Daylight stretches from about 10 h 42 min at the start of December to 10 h 36 min by month's end. Set against the rest of the year, December is Santa Clara's 4th-clearest and 3rd-windiest month. For the whole year in context, see Santa Clara's year-round climate.

Daytime high
27°
11th warmest
Overnight low
19°
4th coldest
Rainfall
22 mm
4.9 wet days
Daylight
10 h 36 min
6:57 AM – 5:35 PM
Cloud cover
48%
4th clearest
Wind
12 km/h
3rd windiest
Solar energy
3.64 kWh/m²
Travel score
7.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Santa Clara reaches about 27°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82719
92719
102719
112719
122719
132719
142719
152719
162719
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619
312619

How December really feels in Santa Clara

Once humidity and wind are folded in, December 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

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

Santa Clara weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°254.510.87.7
Feb27° / 18°253.711.27.7
Mar28° / 19°234.711.86.9
Apr30° / 21°437.512.55.5
May31° / 22°12916.413.14.1
Jun31° / 23°1502013.33.3
Jul32° / 24°9617.113.23.4
Aug32° / 24°11019.112.83.2
Sep31° / 23°15022.412.13.1
Oct30° / 23°11218.511.54.2
Nov27° / 21°449.210.96.6
Dec27° / 19°224.910.77.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 23% of December, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
47030
57030
67030
77030
87129
97030
106931
116832
126832
136733
146733
156634
166535
176535
186436
196436
206436
216436
226436
236436
246436
256436
266535
276535
286634
296634
306733
316733

Chance of precipitation in December

Any precipitation

Santa Clara gets around 22 mm of rain over 4.9 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
124
223
323
422
521
620
719
818
917
1016
1116
1216
1315
1415
1515
1615
1715
1815
1915
2015
2114
2214
2314
2414
2514
2614
2714
2814
2914
3013
3113

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128225018
228215118
338215018
438205217
548205117
648195217
759195116
859185216
9510185116
10610185115
11610185115
12611185114
13711195014
14712194913
15712194913
16713204912
17713204811
18714204811
19714214910
2071421499
2171421499
2271421508
2371421508
2471421517
2571421517
2671321527
2781320536
2881320536
2991320535
3091320535
31101320525

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 42 min at the start of December to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:48 AM to 7:04 AM, and sunset from 5:31 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:485:31
210.76:485:32
310.76:495:32
410.76:505:32
510.76:505:32
610.76:515:32
710.76:525:32
810.76:525:33
910.76:535:33
1010.76:545:33
1110.76:545:33
1210.66:555:34
1310.66:555:34
1410.66:565:34
1510.66:565:35
1610.66:575:35
1710.66:585:35
1810.66:585:36
1910.66:595:36
2010.66:595:37
2110.67:005:37
2210.67:005:38
2310.67:005:38
2410.67:015:39
2510.67:015:39
2610.67:025:40
2710.67:025:40
2810.67:035:41
2910.67:035:41
3010.67:035:42
3110.67:045:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.64 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.47 kWh/m² in July across the year — December's 3.64 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Hazard calendar for Santa Clara

In seasonPeak

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

Santa Clara sits in the Atlantic hurricane belt; the season peaks August–October.

Santa Clara'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 December a good time to visit Santa Clara?

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

7.5
Sightseeing
3rd-best month of the year
7.4
Beach & pool
5th-best month of the year

December is one of the better times to visit Santa Clara for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Clara in December

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

In December, Santa Clara sees daytime highs around 27°C and nights near 19°C. Worth packing: light clothes. About 5 days see rain.

light clothes

Sea temperature near Santa Clara in December

The nearest coast averages about 26°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in September at about 29°C and coldest in February near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb25Warm
Mar25Warm
Apr26Warm
May27Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov27Warm
Dec26Warm

UV index in Santa Clara in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Clara peaks around June 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJun 13UV 12Dec 16UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar11Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Santa Clara in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Santa Clara is worst in July — around 23 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1222 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar13Moderate
Apr14Moderate
May14Moderate
Jun22Moderate
Jul23Moderate
Aug19Moderate
Sep15Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Santa Clara?

Santa Clara sits at 22.4°N, 80.0°W, 132 m above sea level, in Cuba. The nearest listed city is Ranchuelo, 19 km away.

Topography around Santa Clara

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

Within 3 km, the terrain around Santa Clara has only modest variations in elevation — a maximum elevation change of 91 m around an average of 125 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 411 m; within 80 km, large variations in elevation — a maximum elevation change of 1,099 m.

The land around Santa Clara is covered by artificial surfaces (47%), trees (29%) and grassland (21%) within 3 km, trees (57%) and grassland (33%) within 16 km, and trees (39%), grassland (27%) and water (25%) within 80 km.

3 km
91 m
16 km
411 m
80 km
1,099 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Ranchuelo 19 km · Camajuaní 24 km · Encrucijada 26 km · Cifuentes 28 km · Manicaragua 29 km · Cruces 32 km · Lajas 34 km · Placetas 34 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 Santa Clara (22.4071°, -79.9658°, elevation 132 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).