Boca Suno weather in December

In December, Boca Suno sees average daytime highs of 29°C and overnight lows near 21°C, with 188 mm of rain across 23.8 wet days and about 12 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 5% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of December to 12 hours by month's end. Set against the rest of the year, December is Boca Suno's 5th-clearest and 3rd-windiest month. For the whole year in context, see Boca Suno's year-round climate.

Daytime high
29°
5th warmest
Overnight low
21°
8th coldest
Rainfall
188 mm
23.8 wet days
Daylight
12 hours
6:04 AM – 6:06 PM
Cloud cover
76%
5th clearest
Wind
4 km/h
3rd windiest
Solar energy
4.72 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Boca Suno reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°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)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How December really feels in Boca Suno

Once humidity and wind are folded in, December averages 18 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
18
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.

Boca Suno weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°14120.1124.0
Feb29° / 21°16920.2123.6
Mar29° / 21°22826.6123.3
Apr29° / 21°25726.5123.3
May28° / 21°25626.7123.5
Jun27° / 20°25026.2123.8
Jul27° / 20°23024.9124.2
Aug28° / 20°17622.8124.2
Sep29° / 21°16323.6123.6
Oct29° / 21°16524.6123.4
Nov29° / 21°19625.9123.2
Dec29° / 21°18823.8123.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31981
41981
51981
61981
71981
81981
91981
102080
112080
122080
132080
142080
152080
162080
172080
182179
192278
202278
212278
222377
232476
242476
252674
262674
272674
282773
292872
302872
312872

Chance of precipitation in December

Any precipitation

Boca Suno gets around 188 mm of rain over 23.8 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 77% and peaks near 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
184
284
383
483
582
682
782
881
981
1080
1180
1280
1379
1479
1579
1678
1778
1877
1977
2076
2175
2274
2373
2472
2571
2670
2769
2868
2967
3067
3166

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
10496
20496
30496
40595
50595
60595
70694
80694
90694
100793
110793
120892
130892
140991
150991
1601090
1701189
1801189
1901288
2001387
2101387
2201486
2301585
2411683
2511782
2611881
2711980
2812079
2912178
3012277
3122276

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 hours at the start of December to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:57 AM to 6:11 AM, and sunset from 5:59 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:575:59
212.05:586:00
312.05:586:00
412.05:586:01
512.05:596:01
612.05:596:01
712.06:006:02
812.06:006:02
912.06:006:03
1012.06:016:03
1112.06:016:04
1212.06:026:04
1312.06:026:05
1412.06:036:05
1512.06:036:05
1612.06:046:06
1712.06:046:06
1812.06:046:07
1912.06:056:07
2012.06:056:08
2112.06:066:08
2212.06:066:09
2312.06:076:09
2412.06:076:10
2512.06:086:10
2612.06:086:11
2712.06:096:11
2812.06:096:12
2912.06:106:12
3012.06:106:12
3112.06:116:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.72 kWh/m².

For context, solar energy here swings from a low near 3.61 kWh/m² to a high of 5.21 kWh/m² in September across the year — December's 4.72 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Is December a good time to visit Boca Suno?

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

3.7
Sightseeing
5th-best month of the year
4.7
Beach & pool
4th-best month of the year

December is a weaker month for outdoor sightseeing in Boca Suno.

What to pack for Boca Suno in December

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

In December, Boca Suno sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Boca Suno in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Boca Suno peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeFeb 16UV 15Aug 14UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May14Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Boca Suno 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 Boca Suno is worst in February — around 22 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 1922 µg/m³Jul 1710 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb22Moderate
Mar21Moderate
Apr18Moderate
May14Moderate
Jun12Good
Jul10Good
Aug12Good
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Boca Suno?

Boca Suno sits at 0.7°S, 77.1°W, 280 m above sea level, in Ecuador. The nearest listed city is Puerto Francisco de Orellana, 32 km away.

PuyoCayambePuerto AsísOritoIbarra

Topography around Boca Suno

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

Within 3 km, the terrain around Boca Suno has only modest variations in elevation — a maximum elevation change of 97 m around an average of 288 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 157 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,551 m.

The land around Boca Suno is covered by trees (86%) within 3 km, trees (96%) within 16 km, and trees (98%) within 80 km.

3 km
97 m
16 km
157 m
80 km
3,551 m
treesgrasslandwater
December weather nearby: Puerto Francisco de Orellana 32 km · Tena 82 km · Nueva Loja 91 km · Puyo 130 km · Cayambe 139 km · Puerto Asís 152 km · Orito 155 km · Ibarra 160 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Boca Suno (-0.6983°, -77.1408°, elevation 280 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).