Monte Alegre weather in December

In December, Monte Alegre sees average daytime highs of 29°C and overnight lows near 25°C, with 25 mm of rain across 9.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Monte Alegre's 6th-clearest and 7th-windiest month. For the whole year in context, see Monte Alegre's year-round climate.

Daytime high
29°
4th warmest
Overnight low
25°
10th coldest
Rainfall
25 mm
9.6 wet days
Daylight
12 h 24 min
5:07 AM – 5:28 PM
Cloud cover
49%
6th clearest
Wind
17 km/h
7th windiest
Solar energy
6.18 kWh/m²
Travel score
5.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Monte Alegre reaches about 29°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°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)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How December really feels in Monte Alegre

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.

Monte Alegre weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°5515.412.34.7
Feb30° / 25°7316.212.24.3
Mar30° / 25°11020.9124.0
Apr29° / 25°1362211.93.9
May29° / 24°10419.311.74.6
Jun28° / 23°10618.611.75.2
Jul27° / 23°8717.311.75.7
Aug27° / 22°321111.86.6
Sep28° / 23°187.2126.8
Oct29° / 24°135.212.16.5
Nov29° / 24°145.212.36.2
Dec29° / 25°259.612.35.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47228
57228
67228
77228
87129
97129
107129
117030
127030
137030
146931
156931
166931
176832
186832
196733
206634
216634
226634
236535
246436
256436
266436
276436
286436
296436
306337
316337

Chance of precipitation in December

Any precipitation

Monte Alegre gets around 25 mm of rain over 9.6 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 31% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
121
221
322
422
523
624
724
825
926
1027
1128
1229
1330
1431
1532
1633
1733
1834
1935
2035
2135
2236
2336
2436
2537
2637
2737
2837
2938
3038
3139

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16940
26931
35941
45941
55941
64951
74951
84951
94951
103961
113961
123970
134960
144960
154960
164951
174951
184951
194951
204951
215941
225941
235941
244951
254942
264942
274942
284942
294942
304942
314933

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 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 5:01 AM to 5:14 AM, and sunset from 5:21 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:015:21
212.35:025:21
312.35:025:22
412.35:025:22
512.35:035:23
612.35:035:23
712.35:035:24
812.35:045:24
912.35:045:25
1012.35:045:25
1112.35:055:26
1212.35:055:26
1312.35:065:27
1412.35:065:27
1512.35:075:28
1612.45:075:28
1712.45:075:28
1812.45:085:29
1912.45:085:29
2012.45:095:30
2112.45:095:30
2212.45:105:31
2312.45:105:31
2412.45:115:32
2512.45:115:32
2612.45:125:33
2712.45:125:33
2812.45:135:34
2912.35:135:34
3012.35:145:34
3112.35:145:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.18 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.35 kWh/m² in November across the year — December's 6.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Monte Alegre

In seasonPeak

None of Monte Alegre's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Monte Alegre's rainy season runs February–July, 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 Monte Alegre?

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

5.5
Sightseeing
6th-best month of the year
7.2
Beach & pool
4th-best month of the year

December is a reasonable time to visit Monte Alegre for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Monte Alegre in December

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

In December, Monte Alegre sees daytime highs around 29°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Monte Alegre in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Monte Alegre 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 Monte Alegre 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
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Monte Alegre?

Monte Alegre sits at 6.1°S, 35.3°W, 56 m above sea level, in Brazil. The nearest listed city is São José de Mipibu, 10 km away.

Topography around Monte Alegre

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

Within 3 km, the terrain around Monte Alegre has only modest variations in elevation — a maximum elevation change of 76 m around an average of 45 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 185 m; within 80 km, large variations in elevation — a maximum elevation change of 618 m.

The land around Monte Alegre is covered by grassland (79%) within 3 km, grassland (59%) within 16 km, and grassland (40%), water (26%) and shrubs (23%) within 80 km.

3 km
76 m
16 km
185 m
80 km
618 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: São José de Mipibu 10 km · Nísia Floresta 14 km · Parnamirim 19 km · Macaíba 23 km · Goianinha 26 km · Tibau do Sul 30 km · São Gonçalo do Amarante 31 km · Santo Antônio 31 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 Monte Alegre (-6.0678°, -35.3322°, elevation 56 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).