Bermejo weather in December

In December, Bermejo sees average daytime highs of 31°C and overnight lows near 20°C, with 266 mm of rain across 17.9 wet days and about 13.4 hours of daylight. It is the 1st-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 10% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Bermejo's 12th-clearest and 5th-windiest month. For the whole year in context, see Bermejo's year-round climate.

Daytime high
31°
1st warmest
Overnight low
20°
11th coldest
Rainfall
266 mm
17.9 wet days
Daylight
13 h 24 min
5:32 AM – 6:55 PM
Cloud cover
73%
12th clearest
Wind
5 km/h
5th windiest
Solar energy
5.44 kWh/m²
Travel score
3.7
out of 10

Bermejo is town of Bolivia.

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 Bermejo reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 36°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83019
93019
103019
113019
123019
133020
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How December really feels in Bermejo

Once humidity and wind are folded in, December averages 21 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
21
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.

Bermejo weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°27619.113.23.7
Feb29° / 20°26417.812.84.1
Mar28° / 19°23917.912.24.9
Apr25° / 16°11211.611.56.4
May22° / 13°407.210.97.1
Jun21° / 10°133.410.67.5
Jul22° / 102.910.78.0
Aug25° / 10°112.611.28.4
Sep28° / 13°274.811.96.8
Oct30° / 17°9811.512.54.8
Nov30° / 18°16414.313.14.2
Dec31° / 20°26617.913.43.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32377
42377
52377
62476
72476
82476
92575
102674
112773
122773
132872
142971
152971
163070
173169
183169
193268
203268
213268
223268
233169
243070
253070
263070
273070
282971
293070
303070
313169

Chance of precipitation in December

Any precipitation

Bermejo gets around 266 mm of rain over 17.9 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 57% and peaks near 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
256
357
457
558
658
758
859
959
1059
1158
1258
1358
1457
1557
1656
1756
1855
1955
2055
2155
2256
2356
2457
2557
2658
2759
2859
2960
3060
3161

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1182445210
2182445220
3172345230
4172245240
5162245251
6162145261
7162044281
8152044291
9151943301
10151943311
11141843321
12141843331
13141743341
14141643351
15141542361
16141542371
17141441391
18141341401
19141240411
20141240431
21141139441
22141039451
23141038461
2414938471
2504937482
2604837492
2704837502
2803837502
2903737512
3003736522
3102736532

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 24 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 5:28 AM to 5:39 AM, and sunset from 6:46 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:286:46
213.35:286:47
313.35:286:47
413.35:296:48
513.35:296:49
613.35:296:49
713.35:296:50
813.35:296:50
913.45:306:51
1013.45:306:52
1113.45:306:52
1213.45:316:53
1313.45:316:53
1413.45:316:54
1513.45:326:55
1613.45:326:55
1713.45:326:56
1813.45:336:56
1913.45:336:57
2013.45:346:57
2113.45:346:58
2213.45:346:58
2313.45:356:59
2413.45:356:59
2513.45:367:00
2613.45:367:00
2713.45:377:00
2813.45:387:01
2913.45:387:01
3013.45:397:01
3113.45:397:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.44 kWh/m².

For context, solar energy here swings from a low near 3 kWh/m² to a high of 5.49 kWh/m² in January across the year — December's 5.44 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Bermejo

In seasonPeak

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

Bermejo's monsoon runs November–March, when most of the year's rain falls.

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

Is December a good time to visit Bermejo?

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
7th-best month of the year

December is a weaker month for outdoor sightseeing in Bermejo.

What to pack for Bermejo in December

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

In December, Bermejo sees daytime highs around 31°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Bermejo 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 Bermejo peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 18UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct9Very high
Nov13Extreme
Dec14Extreme

Air quality in Bermejo 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 Bermejo is worst in November — around 24 µg/m³ PM2.5 (moderate), about 6.0× the cleanest month (May, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1224 µg/m³May 174 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr5Good
May4Good
Jun5Good
Jul5Good
Aug12Good
Sep18Moderate
Oct20Moderate
Nov24Moderate
Dec9Good
Location & terrain

Where is Bermejo?

Bermejo sits at 22.7°S, 64.3°W, 416 m above sea level, in Bolivia. The nearest listed city is San Ramón de la Nueva Orán, 45 km away.

Profesor Salvador MazzaYacuiba

Topography around Bermejo

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

Within 3 km, the terrain around Bermejo has significant variations in elevation — a maximum elevation change of 274 m around an average of 438 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 820 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,430 m.

The land around Bermejo is covered by trees (46%) within 3 km, trees (79%) within 16 km, and trees (73%) within 80 km.

3 km
274 m
16 km
820 m
80 km
4,430 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: San Ramón de la Nueva Orán 45 km · General Mosconi 56 km · Embarcación 58 km · Tartagal 60 km · Pichanal 66 km · Santa Rosa 74 km · Profesor Salvador Mazza 101 km · Yacuiba 105 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 Bermejo (-22.7321°, -64.3372°, elevation 416 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).