Leticia weather in December

In December, Leticia sees average daytime highs of 30°C and overnight lows near 24°C, with 297 mm of rain across 29.3 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 5th-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 0% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Leticia's 8th-clearest and 4th-windiest month. For the whole year in context, see Leticia's year-round climate.

Daytime high
30°
5th warmest
Overnight low
24°
12th coldest
Rainfall
297 mm
29.3 wet days
Daylight
12 h 12 min
5:29 AM – 5:43 PM
Cloud cover
86%
8th clearest
Wind
4 km/h
4th windiest
Solar energy
4.52 kWh/m²
Travel score
2.7
out of 10

Leticia is capital of the Colombian department of Amazonas.

Founded
1867

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 30°C through the month.

A typical December day in Leticia reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Leticia

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.

Leticia weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°32128.812.22.8
Feb30° / 24°30226.112.12.7
Mar30° / 24°34129.1122.7
Apr30° / 24°3012811.92.8
May29° / 23°26027.411.83.1
Jun29° / 23°18524.611.83.5
Jul29° / 23°14222.711.83.8
Aug30° / 23°13822.811.93.5
Sep31° / 23°17224.8123.0
Oct31° / 24°22226.812.12.8
Nov31° / 24°24127.112.22.7
Dec30° / 24°29729.312.22.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2694
3694
4694
5694
6694
7694
8694
9694
10694
11595
12595
13595
14595
15595
16595
17595
18595
19595
20595
21595
22595
23694
24694
25694
26694
27694
28694
29694
30694
31694

Chance of precipitation in December

Any precipitation

Leticia gets around 297 mm of rain over 29.3 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 95% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
395
495
595
695
795
895
995
1095
1195
1295
1395
1495
1595
1695
1795
1895
1995
2095
2195
2295
2394
2494
2594
2694
2794
2894
2994
3094
3193

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11981
21981
31981
41981
51981
62080
72080
82179
92179
102278
112377
122476
132476
142575
152674
162773
172872
182872
192971
203070
213070
223070
233169
243169
253169
263169
273169
283268
293268
303268
313367

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 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 5:23 AM to 5:36 AM, and sunset from 5:36 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:235:36
212.25:235:37
312.25:235:37
412.25:245:38
512.25:245:38
612.25:245:39
712.25:255:39
812.25:255:39
912.25:265:40
1012.25:265:40
1112.25:265:41
1212.25:275:41
1312.25:275:42
1412.25:285:42
1512.25:285:43
1612.25:295:43
1712.25:295:44
1812.25:305:44
1912.25:305:45
2012.25:305:45
2112.25:315:46
2212.25:315:46
2312.25:325:47
2412.25:325:47
2512.25:335:47
2612.25:335:48
2712.25:345:48
2812.25:345:49
2912.25:355:49
3012.25:355:50
3112.25:365:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 5.11 kWh/m² in September across the year — December's 4.52 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit Leticia?

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

2.7
Sightseeing
9th-best month of the year
3.7
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Leticia.

What to pack for Leticia in December

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

In December, Leticia sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Leticia in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Leticia peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Aug 16UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug9Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Leticia 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 Leticia is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodSep 1118 µg/m³Jun 129 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May9Good
Jun9Good
Jul11Good
Aug17Moderate
Sep19Moderate
Oct12Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Leticia?

Leticia sits at 4.2°S, 69.9°W, 84 m above sea level, in Colombia. The nearest listed city is Tabatinga, 2.0 km away.

São Paulo de OlivençaSanto Antônio do IçáTonantinsCarauari

Topography around Leticia

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

Within 3 km, the terrain around Leticia has only modest variations in elevation — a maximum elevation change of 36 m around an average of 76 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 131 m.

The land around Leticia is covered by trees (48%) within 3 km, trees (83%) within 16 km, and trees (95%) within 80 km.

3 km
36 m
16 km
61 m
80 km
131 m
treesgrasslandartificial surfaceswater
December weather nearby: Tabatinga 2.0 km · Benjamin Constant 21 km · Atalaia do Norte 33 km · São Paulo de Olivença 150 km · Santo Antônio do Içá 254 km · Eirunepé 272 km · Tonantins 280 km · Carauari 346 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 Leticia (-4.2108°, -69.9394°, elevation 84 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).