Bellavista weather in December

In December, Bellavista sees average daytime highs of 31°C and overnight lows near 22°C, with 215 mm of rain across 25.8 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 5th-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 5% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Bellavista's 9th-clearest and 4th-windiest month. For the whole year in context, see Bellavista's year-round climate.

Daytime high
31°
5th warmest
Overnight low
22°
12th coldest
Rainfall
215 mm
25.8 wet days
Daylight
12 h 24 min
5:50 AM – 6:15 PM
Cloud cover
79%
9th clearest
Wind
3 km/h
4th windiest
Solar energy
5.33 kWh/m²
Travel score
2.9
out of 10

Bellavista is city in San Martín, Peru.

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 Bellavista reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°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
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Bellavista

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.

Bellavista 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
Jan31° / 22°22725.712.42.9
Feb30° / 22°24323.612.22.9
Mar30° / 22°29026.9122.9
Apr30° / 22°23724.211.83.1
May30° / 21°17822.211.73.6
Jun30° / 21°12916.911.64.3
Jul30° / 20°10313.611.64.8
Aug31° / 21°9011.911.84.5
Sep32° / 21°11714.7123.7
Oct31° / 22°16820.912.23.1
Nov31° / 22°21024.112.32.9
Dec31° / 22°21525.812.42.9

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 13% of December, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31684
41684
51684
61684
71684
81684
91783
101783
111783
121882
131882
141981
151981
161981
171981
181981
191981
201981
211882
221882
231882
241882
251882
261981
272080
282080
292080
302080
312179

Chance of precipitation in December

Any precipitation

Bellavista gets around 215 mm of rain over 25.8 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 83% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
184
284
384
484
584
684
784
884
984
1084
1184
1284
1384
1484
1584
1684
1784
1884
1984
2084
2184
2283
2383
2483
2582
2682
2782
2881
2981
3081
3181

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10946
20946
30946
40955
50955
60964
70964
80964
90964
100964
110964
120973
130973
140973
150973
160973
170973
180973
191963
201963
211963
221963
231963
241963
251963
261963
271963
281963
291963
300973
310973

Wind in December

Winds average 3 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 24 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 5:45 AM to 5:57 AM, and sunset from 6:08 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:456:08
212.45:456:08
312.45:456:08
412.45:466:09
512.45:466:09
612.45:466:10
712.45:476:10
812.45:476:11
912.45:476:11
1012.45:486:12
1112.45:486:12
1212.45:496:13
1312.45:496:13
1412.45:496:14
1512.45:506:14
1612.45:506:15
1712.45:516:15
1812.45:516:16
1912.45:526:16
2012.45:526:17
2112.45:536:17
2212.45:536:18
2312.45:546:18
2412.45:546:19
2512.45:546:19
2612.45:556:19
2712.45:556:20
2812.45:566:20
2912.45:566:21
3012.45:576:21
3112.45:576:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.33 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 5.7 kWh/m² in September across the year — December's 5.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Is December a good time to visit Bellavista?

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

2.9
Sightseeing
8th-best month of the year
4.2
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Bellavista.

What to pack for Bellavista in December

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

In December, Bellavista sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Bellavista in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bellavista peaks around February 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 14UV 16Jun 23UV 10
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug10Extreme
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Bellavista 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 Bellavista is worst in August — around 49 µg/m³ PM2.5 (poor), about 4.2× the cleanest month (May, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateModeratePoorModerateAug 2348 µg/m³May 1912 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb22Moderate
Mar17Moderate
Apr14Moderate
May12Good
Jun13Moderate
Jul18Moderate
Aug49Poor
Sep47Poor
Oct18Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Bellavista?

Bellavista sits at 7.1°S, 76.6°W, 319 m above sea level, in Peru. The nearest listed city is Juanjuí, 20 km away.

MoyobambaTocacheRiojaYurimaguasUchizaChachapoyas

Topography around Bellavista

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

Within 3 km, the terrain around Bellavista has significant variations in elevation — a maximum elevation change of 316 m around an average of 306 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 809 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,666 m.

The land around Bellavista is covered by trees (44%) and grassland (36%) within 3 km, trees (58%) and cropland (20%) within 16 km, and trees (92%) within 80 km.

3 km
316 m
16 km
809 m
80 km
2,666 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Juanjuí 20 km · La Banda 68 km · Moyobamba 121 km · Tocache 126 km · Rioja 128 km · Yurimaguas 138 km · Uchiza 157 km · Chachapoyas 168 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Bellavista (-7.0561°, -76.5911°, elevation 319 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).