San José del Guaviare weather in December

In December, San José del Guaviare sees average daytime highs of 30°C and overnight lows near 22°C, with 128 mm of rain across 17.4 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of December to 11 h 54 min by month's end. Set against the rest of the year, December is San José del Guaviare's 2nd-clearest and 2nd-windiest month. For the whole year in context, see San José del Guaviare's year-round climate.

Daytime high
30°
4th warmest
Overnight low
22°
7th coldest
Rainfall
128 mm
17.4 wet days
Daylight
11 h 54 min
5:51 AM – 5:42 PM
Cloud cover
70%
2nd clearest
Wind
8 km/h
2nd windiest
Solar energy
5 kWh/m²
Travel score
4.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in San José del Guaviare reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in San José del Guaviare

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.

San José del Guaviare weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°638.711.94.4
Feb32° / 23°10011.111.93.8
Mar30° / 23°20821.2123.4
Apr29° / 22°30126.812.13.0
May29° / 22°32328.912.13.1
Jun28° / 22°31328.312.13.4
Jul28° / 21°28828.112.13.7
Aug29° / 21°20225.412.13.6
Sep29° / 22°17924.9123.3
Oct30° / 22°20726.611.93.1
Nov30° / 22°20725.711.93.1
Dec30° / 22°12817.411.94.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32377
42377
52476
62575
72575
82575
92674
102773
112773
122872
132971
142971
153070
163070
173169
183268
193268
203367
213466
223664
233664
243763
253961
264060
274060
284159
294258
304357
314357

Chance of precipitation in December

Any precipitation

San José del Guaviare gets around 128 mm of rain over 17.4 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 56% and peaks near 73% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
271
370
469
568
667
766
865
964
1063
1162
1261
1360
1459
1558
1657
1756
1855
1954
2053
2151
2250
2348
2447
2545
2644
2743
2841
2940
3039
3138

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
105932
205932
306922
406922
506931
607921
707921
808911
909901
1009901
11010900
12011890
13012880
14013870
15014860
16015850
17016840
18017830
19018820
20119800
21121780
22122770
23124750
24225730
25227710
26228700
27329680
28331660
29432640
30433630
31534610

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 54 min at the start of December to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:44 AM to 5:58 AM, and sunset from 5:36 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:445:36
211.95:455:37
311.95:455:37
411.95:465:37
511.95:465:38
611.95:475:38
711.95:475:38
811.95:475:39
911.95:485:39
1011.95:485:40
1111.95:495:40
1211.95:495:41
1311.95:505:41
1411.95:505:41
1511.95:515:42
1611.95:515:42
1711.95:525:43
1811.95:525:43
1911.95:535:44
2011.95:535:44
2111.95:545:45
2211.95:545:45
2311.95:545:46
2411.95:555:46
2511.95:555:46
2611.95:565:47
2711.95:565:47
2811.95:575:48
2911.95:575:48
3011.95:585:49
3111.95:585:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.45 kWh/m² in January across the year — December's 5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.3Bright
Planning a trip in December

Is December a good time to visit San José del Guaviare?

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

4.1
Sightseeing
2nd-best month of the year
5.6
Beach & pool
3rd-best month of the year

December is a reasonable time to visit San José del Guaviare for sightseeing.

What to pack for San José del Guaviare in December

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

In December, San José del Guaviare sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in San José del Guaviare in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (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 José del Guaviare peaks around February 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 13 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 13UV 14Aug 13UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar13Extreme
Apr11Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug10Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec10Extreme

Air quality in San José del Guaviare 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 San José del Guaviare is worst in February — around 49 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (September, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodFeb 1947 µg/m³Sep 2010 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb49Poor
Mar39Poor
Apr20Moderate
May12Moderate
Jun11Good
Jul11Good
Aug12Good
Sep10Good
Oct10Good
Nov12Good
Dec12Good
Location & terrain

Where is San José del Guaviare?

San José del Guaviare sits at 2.6°N, 72.6°W, 302 m above sea level, in Colombia. The nearest listed city is Granada, 161 km away.

GranadaSan MartínPuerto LópezAcacíasVillavicencioRestrepoTauramenaFusagasugá

Topography around San José del Guaviare

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

Within 3 km, the terrain around San José del Guaviare has only modest variations in elevation — a maximum elevation change of 32 m around an average of 187 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 275 m; within 80 km, significant variations in elevation — a maximum elevation change of 467 m.

The land around San José del Guaviare is covered by trees (49%) and grassland (30%) within 3 km, trees (61%) and grassland (34%) within 16 km, and trees (60%) and grassland (39%) within 80 km.

3 km
32 m
16 km
275 m
80 km
467 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Granada 161 km · San Martín 172 km · Puerto López 174 km · Acacías 201 km · Villavicencio 206 km · Restrepo 214 km · Tauramena 273 km · Fusagasugá 274 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 San José del Guaviare (2.568°, -72.6397°, elevation 302 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).