Candeias do Jamari weather in December

In December, Candeias do Jamari sees average daytime highs of 30°C and overnight lows near 24°C, with 287 mm of rain across 28.1 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 4th-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 2% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Candeias do Jamari's 9th-clearest and 5th-windiest month. For the whole year in context, see Candeias do Jamari's year-round climate.

Daytime high
30°
7th warmest
Overnight low
24°
10th coldest
Rainfall
287 mm
28.1 wet days
Daylight
12 h 30 min
5:56 AM – 6:26 PM
Cloud cover
87%
9th clearest
Wind
5 km/h
5th windiest
Solar energy
4.63 kWh/m²
Travel score
2.7
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 Candeias do Jamari reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°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 about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
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 Candeias do Jamari

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.

Candeias do Jamari weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°30328.912.52.7
Feb30° / 23°31326.412.32.7
Mar30° / 24°31729.512.12.7
Apr30° / 23°21926.311.82.9
May30° / 23°12921.411.63.5
Jun31° / 22°419.211.54.7
Jul32° / 22°204.411.54.6
Aug34° / 22°406.711.73.5
Sep33° / 23°9015.411.92.9
Oct32° / 24°15822.112.22.7
Nov31° / 24°22425.812.42.7
Dec30° / 24°28728.112.52.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% 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 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8892
9793
10892
11892
12892
13892
14892
15892
16892
17892
18793
19793
20793
21793
22793
23793
24793
25793
26694
27694
28694
29595
30595
31595

Chance of precipitation in December

Any precipitation

Candeias do Jamari gets around 287 mm of rain over 28.1 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 91% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
389
489
590
690
790
890
990
1091
1191
1291
1391
1491
1591
1691
1791
1891
1991
2091
2191
2291
2391
2491
2591
2691
2791
2891
2991
3091
3191

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12773
22773
32773
42773
52872
62872
72872
82971
92971
103070
113070
123169
133169
143268
153367
163367
173466
183565
193664
203763
213862
223961
233961
244060
254060
264060
274159
284159
294159
304258
314258

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 12 h 30 min at the start of December to 12 h 30 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 5:50 AM to 6:03 AM, and sunset from 6:19 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:506:19
212.55:516:19
312.55:516:20
412.55:516:20
512.55:516:21
612.55:526:21
712.55:526:22
812.55:526:22
912.55:536:23
1012.55:536:23
1112.55:546:24
1212.55:546:24
1312.55:546:25
1412.55:556:25
1512.55:556:26
1612.55:566:26
1712.55:566:27
1812.55:576:27
1912.55:576:28
2012.55:576:28
2112.55:586:29
2212.55:586:29
2312.55:596:30
2412.55:596:30
2512.56:006:31
2612.56:006:31
2712.56:016:31
2812.56:016:32
2912.56:026:32
3012.56:026:33
3112.56:036:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.63 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 5.53 kWh/m² in September across the year — December's 4.63 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Candeias do Jamari

In seasonPeak

In December, Candeias do Jamari sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Candeias do Jamari's rainy season runs October–April, when most of the year's rain falls.

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

Is December a good time to visit Candeias do Jamari?

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

2.7
Sightseeing
7th-best month of the year
3.8
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Candeias do Jamari.

What to pack for Candeias do Jamari in December

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

In December, Candeias do Jamari sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Candeias do Jamari 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 Candeias do Jamari peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 20UV 15Sep 12UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Candeias do Jamari 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 Candeias do Jamari is worst in August — around 101 µg/m³ PM2.5 (unhealthy), about 9.5× the cleanest month (May, 11 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 24100 µg/m³May 1611 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr12Good
May11Good
Jun12Good
Jul34Moderate
Aug101Unhealthy
Sep100Unhealthy
Oct36Poor
Nov20Moderate
Dec15Moderate
Location & terrain

Where is Candeias do Jamari?

Candeias do Jamari sits at 8.8°S, 63.7°W, 91 m above sea level, in Brazil. The nearest listed city is Porto Velho, 23 km away.

Topography around Candeias do Jamari

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

Within 3 km, the terrain around Candeias do Jamari has only modest variations in elevation — a maximum elevation change of 53 m around an average of 83 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, significant variations in elevation — a maximum elevation change of 341 m.

The land around Candeias do Jamari is covered by trees (54%) and grassland (32%) within 3 km, trees (51%) and grassland (44%) within 16 km, and trees (73%) and grassland (23%) within 80 km.

3 km
53 m
16 km
105 m
80 km
341 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Porto Velho 23 km · Alto Paraíso 110 km · Ariquemes 142 km · Buritis 157 km · Humaitá 161 km · Machadinho d'Oeste 201 km · Lábrea 210 km · Jaru 226 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Candeias do Jamari (-8.8097°, -63.6956°, elevation 91 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).