Alenquer weather in December

In December, Alenquer sees average daytime highs of 32°C and overnight lows near 25°C, with 185 mm of rain across 18.8 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Alenquer's 7th-clearest and 7th-windiest month. For the whole year in context, see Alenquer's year-round climate.

Daytime high
32°
5th warmest
Overnight low
25°
9th coldest
Rainfall
185 mm
18.8 wet days
Daylight
12 h 06 min
6:32 AM – 6:38 PM
Cloud cover
72%
7th clearest
Wind
7 km/h
7th windiest
Solar energy
5.34 kWh/m²
Travel score
3.1
out of 10

Alenquer 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 32°C through the month.

A typical December day in Alenquer reaches about 32°C in the afternoon and slips back to 25°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 34°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173225
183225
193225
203225
213225
223225
233225
243125
253125
263125
273125
283125
293125
303125
313125

How December really feels in Alenquer

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.

Alenquer weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°32825.412.13.0
Feb30° / 25°30524.212.12.9
Mar30° / 25°38928.4122.8
Apr30° / 25°38028.1122.7
May30° / 25°3032811.92.9
Jun31° / 24°14321.411.93.5
Jul31° / 24°8214.911.94.1
Aug33° / 25°507.911.94.1
Sep33° / 26°547.6123.6
Oct33° / 26°799.7123.3
Nov33° / 26°13014.312.13.2
Dec32° / 25°18518.812.13.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33664
43565
53565
63565
73565
83466
93466
103268
113268
123169
132971
142971
152971
162872
172872
182773
192575
202575
212575
222674
232674
242674
252476
262476
272476
282575
292674
302674
312575

Chance of precipitation in December

Any precipitation

Alenquer gets around 185 mm of rain over 18.8 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 61% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
147
247
347
448
548
649
750
851
952
1053
1155
1256
1358
1459
1561
1662
1764
1865
1966
2067
2168
2269
2370
2471
2572
2673
2774
2874
2975
3076
3176

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
115148
215247
315247
415247
515346
615346
715346
815247
915247
1015247
1115247
1215148
1315148
1415049
1515049
1615050
1714950
1814851
1914851
2004753
2104753
2204753
2304654
2404654
2504555
2604555
2704456
2804456
2904357
3004357
3104357

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 6:26 AM to 6:39 AM, and sunset from 6:32 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:266:32
212.16:266:32
312.16:266:33
412.16:276:33
512.16:276:33
612.16:276:34
712.16:286:34
812.16:286:35
912.16:296:35
1012.16:296:36
1112.16:306:36
1212.16:306:37
1312.16:306:37
1412.16:316:38
1512.16:316:38
1612.16:326:38
1712.16:326:39
1812.16:336:39
1912.16:336:40
2012.16:346:40
2112.16:346:41
2212.16:356:41
2312.16:356:42
2412.16:356:42
2512.16:366:43
2612.16:366:43
2712.16:376:44
2812.16:376:44
2912.16:386:45
3012.16:386:45
3112.16:396:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.34 kWh/m².

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 6.36 kWh/m² in October across the year — December's 5.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Alenquer

In seasonPeak

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

Alenquer's rainy season runs December–May, 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 Alenquer?

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

3.1
Sightseeing
7th-best month of the year
5.0
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Alenquer.

What to pack for Alenquer in December

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

In December, Alenquer sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Alenquer in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alenquer peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jul 12UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct12Extreme
Nov10Very high
Dec11Extreme

Air quality in Alenquer 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 Alenquer is worst in November — around 31 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1530 µg/m³Jun 209 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb16Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug12Good
Sep15Moderate
Oct24Moderate
Nov31Moderate
Dec23Moderate
Location & terrain

Where is Alenquer?

Alenquer sits at 1.9°S, 54.7°W, 32 m above sea level, in Brazil. The nearest listed city is Santarém, 56 km away.

Topography around Alenquer

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

Within 3 km, the terrain around Alenquer has only modest variations in elevation — a maximum elevation change of 56 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.

The land around Alenquer is covered by grassland (39%) and trees (23%) within 3 km, trees (34%) and grassland (33%) within 16 km, and trees (49%), grassland (23%) and water (23%) within 80 km.

3 km
56 m
16 km
93 m
80 km
691 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Santarém 56 km · Monte Alegre 73 km · Belterra 80 km · Mojuí dos Campos 83 km · Óbidos 87 km · Oriximiná 127 km · Prainha 141 km · Juruti 152 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 Alenquer (-1.9417°, -54.7383°, elevation 32 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).