Tefé weather in December

In December, Tefé sees average daytime highs of 31°C and overnight lows near 24°C, with 268 mm of rain across 28.6 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 31°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 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 Tefé's 7th-clearest and 5th-windiest month. For the whole year in context, see Tefé's year-round climate.

Daytime high
31°
5th warmest
Overnight low
24°
9th coldest
Rainfall
268 mm
28.6 wet days
Daylight
12 h 12 min
6:09 AM – 6:21 PM
Cloud cover
85%
7th clearest
Wind
4 km/h
5th windiest
Solar energy
4.67 kWh/m²
Travel score
2.6
out of 10

Tefé 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 31°C through the month.

A typical December day in Tefé reaches about 31°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263024
273024
283024
293024
303024
313024

How December really feels in Tefé

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.

Tefé 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° / 24°27526.612.22.8
Feb30° / 24°25423.912.12.8
Mar30° / 24°32928122.7
Apr30° / 24°35127.811.92.7
May30° / 24°32929.211.82.7
Jun30° / 23°20526.311.83.1
Jul30° / 23°13223.211.83.5
Aug31° / 24°11921.211.93.3
Sep32° / 24°14222.6122.9
Oct31° / 24°18024.812.12.7
Nov31° / 24°22126.112.22.6
Dec31° / 24°26828.612.22.6

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 7% of December, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31189
41189
51090
61090
71189
81189
91189
101189
111090
121090
13991
14991
15892
16892
17892
18793
19793
20793
21793
22793
23793
24793
25892
26892
27892
28892
29892
30892
31892

Chance of precipitation in December

Any precipitation

Tefé gets around 268 mm of rain over 28.6 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 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
290
390
491
591
691
792
892
992
1092
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2193
2293
2392
2492
2592
2691
2791
2890
2990
3089
3189

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2793
3793
4793
5793
6892
7892
8991
9991
101090
111090
121090
131189
141189
151288
161288
171387
181387
191486
201486
211486
221486
231486
241486
251486
261486
271486
281486
291486
301486
311585

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 5 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
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:03 AM to 6:16 AM, and sunset from 6:14 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:036:14
212.26:046:14
312.26:046:15
412.26:046:15
512.26:056:16
612.26:056:16
712.26:056:17
812.26:066:17
912.26:066:18
1012.26:076:18
1112.26:076:19
1212.26:076:19
1312.26:086:19
1412.26:086:20
1512.26:096:20
1612.26:096:21
1712.26:106:21
1812.26:106:22
1912.26:116:22
2012.26:116:23
2112.26:126:23
2212.26:126:24
2312.26:126:24
2412.26:136:25
2512.26:136:25
2612.26:146:26
2712.26:146:26
2812.26:156:26
2912.26:156:27
3012.26:166:27
3112.26:166:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.67 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.29 kWh/m² in October across the year — December's 4.67 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in December

Is December a good time to visit Tefé?

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

2.6
Sightseeing
11th-best month of the year
3.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Tefé.

What to pack for Tefé in December

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

In December, Tefé sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Tefé 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 Tefé peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jul 13UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Tefé 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 Tefé is worst in September — around 30 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (June, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1429 µg/m³Jun 911 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar17Moderate
Apr15Moderate
May11Good
Jun11Good
Jul13Moderate
Aug24Moderate
Sep30Moderate
Oct21Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Tefé?

Tefé sits at 3.4°S, 64.7°W, 64 m above sea level, in Brazil. The nearest listed city is Alvarães, 19 km away.

CarauariCodajásTapauá

Topography around Tefé

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

Within 3 km, the terrain around Tefé has only modest variations in elevation — a maximum elevation change of 42 m around an average of 49 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, only modest variations in elevation — a maximum elevation change of 71 m.

The land around Tefé is covered by trees (65%) within 3 km, trees (69%) and water (27%) within 16 km, and trees (92%) within 80 km.

3 km
42 m
16 km
55 m
80 km
71 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Alvarães 19 km · Uarini 60 km · Fonte Boa 179 km · Coari 192 km · Maraã 193 km · Carauari 294 km · Codajás 300 km · Tapauá 304 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 Tefé (-3.3684°, -64.7205°, elevation 64 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).