São Paulo de Olivença weather in December

In December, São Paulo de Olivença sees average daytime highs of 30°C and overnight lows near 23°C, with 288 mm of rain across 29.1 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 1% 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 São Paulo de Olivença's 8th-clearest and 7th-windiest month. For the whole year in context, see São Paulo de Olivença's year-round climate.

Daytime high
30°
5th warmest
Overnight low
23°
11th coldest
Rainfall
288 mm
29.1 wet days
Daylight
12 h 12 min
6:26 AM – 6:37 PM
Cloud cover
86%
8th clearest
Wind
4 km/h
7th windiest
Solar energy
4.56 kWh/m²
Travel score
2.6
out of 10

São Paulo de Olivença is human settlement in Brazil.

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 São Paulo de Olivença reaches about 30°C in the afternoon and slips back to 23°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 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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in São Paulo de Olivença

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.

São Paulo de Olivença 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° / 23°29528.812.22.7
Feb30° / 23°2952612.12.7
Mar30° / 23°32629.1122.6
Apr30° / 23°32528.311.92.7
May30° / 23°28828.211.82.9
Jun29° / 22°20726.211.83.2
Jul30° / 22°16824.611.83.5
Aug31° / 22°14623.611.93.3
Sep31° / 23°17525122.8
Oct31° / 23°21226.712.12.7
Nov31° / 23°23226.412.22.6
Dec30° / 23°28829.112.22.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% 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 (%)
1991
2991
3991
4991
5991
6991
7892
8892
9892
10793
11793
12793
13694
14694
15694
16694
17595
18595
19595
20595
21595
22595
23595
24595
25595
26595
27694
28694
29694
30694
31694

Chance of precipitation in December

Any precipitation

São Paulo de Olivença gets around 288 mm of rain over 29.1 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 94% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
394
494
594
694
793
893
993
1093
1193
1293
1393
1493
1593
1694
1794
1894
1994
2095
2195
2295
2395
2495
2595
2695
2795
2894
2994
3094
3194

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12872
22872
32971
42971
53070
63070
73169
83268
93268
103367
113466
123466
133565
143664
153763
163763
173862
183961
193961
204060
214159
224159
234159
244258
254258
264357
274357
284456
294555
304555
314654

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 6:20 AM to 6:33 AM, and sunset from 6:31 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:206:31
212.26:206:31
312.26:206:32
412.26:216:32
512.26:216:32
612.26:226:33
712.26:226:33
812.26:226:34
912.26:236:34
1012.26:236:35
1112.26:246:35
1212.26:246:36
1312.26:246:36
1412.26:256:37
1512.26:256:37
1612.26:266:37
1712.26:266:38
1812.26:276:38
1912.26:276:39
2012.26:286:39
2112.26:286:40
2212.26:296:40
2312.26:296:41
2412.26:306:41
2512.26:306:42
2612.26:306:42
2712.26:316:43
2812.26:316:43
2912.26:326:44
3012.26:326:44
3112.26:336:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.56 kWh/m².

For context, solar energy here swings from a low near 3.77 kWh/m² to a high of 5.14 kWh/m² in September across the year — December's 4.56 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
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit São Paulo de Olivença?

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

2.6
Sightseeing
10th-best month of the year
3.7
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in São Paulo de Olivença.

What to pack for São Paulo de Olivença in December

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

In December, São Paulo de Olivença sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in São Paulo de Olivença 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 São Paulo de Olivença peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 10 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 15Sep 10UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May13Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in São Paulo de Olivença 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 São Paulo de Olivença is worst in August — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodAug 2217 µg/m³Jun 129 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr12Moderate
May10Good
Jun9Good
Jul11Good
Aug17Moderate
Sep16Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is São Paulo de Olivença?

São Paulo de Olivença sits at 3.4°S, 68.9°W, 73 m above sea level, in Brazil. The nearest listed city is Santo Antônio do Içá, 108 km away.

CarauariFonte Boa

Topography around São Paulo de Olivença

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Paulo de Olivença.

Within 3 km, the terrain around São Paulo de Olivença has only modest variations in elevation — a maximum elevation change of 29 m around an average of 71 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 78 m; within 80 km, only modest variations in elevation — a maximum elevation change of 126 m.

The land around São Paulo de Olivença is covered by trees (98%) within 3 km, trees (89%) within 16 km, and trees (96%) within 80 km.

3 km
29 m
16 km
78 m
80 km
126 m
treesgrasslandwater
December weather nearby: Santo Antônio do Içá 108 km · Tonantins 131 km · Leticia 150 km · Tabatinga 152 km · Benjamin Constant 170 km · Atalaia do Norte 183 km · Carauari 276 km · Fonte Boa 323 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 São Paulo de Olivença (-3.3783°, -68.8725°, elevation 73 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).