Cotoca weather in December

In December, Cotoca sees average daytime highs of 31°C and overnight lows near 23°C, with 165 mm of rain across 16.9 wet days and about 13 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of December to 13 h 06 min by month's end. Set against the rest of the year, December is Cotoca's 12th-clearest and 6th-windiest month. For the whole year in context, see Cotoca's year-round climate.

Daytime high
31°
4th warmest
Overnight low
23°
11th coldest
Rainfall
165 mm
16.9 wet days
Daylight
13 h 06 min
5:37 AM – 6:40 PM
Cloud cover
76%
12th clearest
Wind
14 km/h
6th windiest
Solar energy
5.68 kWh/m²
Travel score
3.7
out of 10

Cotoca is Town and municipality in the Santa Cruz Department, Bolivia.

Density
2,197/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Cotoca reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Cotoca

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cotoca weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°16817.112.93.6
Feb30° / 23°13816.212.63.8
Mar30° / 22°12414.412.14.2
Apr29° / 21°7010.711.65.3
May26° / 18°6110.311.26.5
Jun25° / 17°518.3117.0
Jul26° / 16°425.7117.5
Aug29° / 18°465.211.46.7
Sep31° / 20°707.311.95.1
Oct31° / 22°8810.512.44.2
Nov31° / 22°12112.812.84.0
Dec31° / 23°16516.9133.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22278
32278
42179
52179
62179
72179
82278
92278
102278
112377
122377
132476
142476
152575
162575
172674
182773
192773
202872
212773
222674
232674
242674
252674
262674
272476
282476
292476
302476
312476

Chance of precipitation in December

Any precipitation

Cotoca gets around 165 mm of rain over 16.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 54% and peaks near 57% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
151
252
353
454
554
654
754
854
954
1054
1154
1254
1354
1454
1554
1653
1753
1853
1953
2053
2153
2253
2354
2454
2555
2655
2756
2856
2956
3056
3157

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
102819701
202819701
302819701
401818721
501818721
601818721
701718731
801717741
911717722
1011617732
1111617732
1211517742
1311516752
1411516752
1511416762
1611415772
1711315782
1811314792
1911313802
2011313802
2111312812
2211312812
2301311832
2401211842
2501211842
2601210852
2701210852
2801210852
2901210852
3000211852
3100211852

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 hours at the start of December to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:32 AM to 5:44 AM, and sunset from 6:32 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:326:32
213.05:326:32
313.05:336:33
413.05:336:33
513.05:336:34
613.05:336:35
713.05:346:35
813.05:346:36
913.05:346:36
1013.05:346:37
1113.05:356:37
1213.15:356:38
1313.15:356:39
1413.15:366:39
1513.15:366:40
1613.15:376:40
1713.15:376:41
1813.15:376:41
1913.15:386:42
2013.15:386:42
2113.15:396:43
2213.15:396:43
2313.15:406:44
2413.15:406:44
2513.15:416:45
2613.15:416:45
2713.15:426:45
2813.15:426:46
2913.15:436:46
3013.15:436:47
3113.15:446:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.68 kWh/m².

For context, solar energy here swings from a low near 3.21 kWh/m² to a high of 5.82 kWh/m² in January across the year — December's 5.68 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Cotoca

In seasonPeak

In December, Cotoca sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Cotoca's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Cotoca?

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

3.7
Sightseeing
11th-best month of the year
5.4
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Cotoca.

What to pack for Cotoca in December

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

In December, Cotoca sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Cotoca in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cotoca peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeJan 18UV 15Jul 12UV 7
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar15Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul7High
Aug9Very high
Sep10Very high
Oct10Very high
Nov13Extreme
Dec14Extreme

Air quality in Cotoca 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 Cotoca is worst in September — around 37 µg/m³ PM2.5 (poor), about 4.8× the cleanest month (May, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateSep 1935 µg/m³May 138 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr8Good
May8Good
Jun9Good
Jul11Good
Aug21Moderate
Sep37Poor
Oct29Moderate
Nov18Moderate
Dec11Good
Location & terrain

Where is Cotoca?

Cotoca sits at 17.8°S, 63.0°W, 387 m above sea level, in Bolivia. The nearest listed city is Santa Cruz, 14 km away.

Villa YapacaníAscención de GuarayosMizqueCamiri

Topography around Cotoca

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

Within 3 km, the terrain around Cotoca has only modest variations in elevation — a maximum elevation change of 24 m around an average of 379 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,646 m.

The land around Cotoca is covered by grassland (45%) and trees (44%) within 3 km, grassland (37%), trees (31%) and artificial surfaces (22%) within 16 km, and trees (41%), cropland (27%) and grassland (26%) within 80 km.

3 km
24 m
16 km
105 m
80 km
1,646 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Santa Cruz 14 km · Warnes 36 km · El Torno 41 km · Montero 57 km · Villa Yapacaní 95 km · Ascención de Guarayos 214 km · Mizque 243 km · Camiri 252 km

Bolivia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$5,148
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2023
Road deaths
21.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 521
Religion
Roman Catholic 65%Protestant 20%none 6%other 5%

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 Cotoca (-17.8167°, -63.05°, elevation 387 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. 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).