Belem weather in January

In January, Belem sees average daytime highs of 27°C and overnight lows near 19°C, with 232 mm of rain across 23.8 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 9% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Belem's 12th-clearest and 8th-windiest month. For the whole year in context, see Belem's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
232 mm
23.8 wet days
Daylight
13 h 18 min
6:37 AM – 7:55 PM
Cloud cover
78%
12th clearest
Wind
10 km/h
8th windiest
Solar energy
5.35 kWh/m²
Travel score
4.3
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Belem reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

Belem weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°23223.813.34.3
Feb28° / 19°17920.212.84.5
Mar27° / 19°15420.112.25.0
Apr25° / 17°6410.711.56.6
May23° / 14°647.810.97.1
Jun22° / 13°475.610.67.5
Jul22° / 12°545.610.77.5
Aug23° / 13°405.211.27.8
Sep24° / 15°909.811.96.9
Oct25° / 16°11614.712.65.9
Nov25° / 17°15216.813.15.4
Dec27° / 18°18120.913.44.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32179
42179
52179
62080
72080
82080
92080
102080
112080
122080
132278
142278
152278
162278
172278
182179
192278
202278
212278
222377
232377
242377
252377
262377
272476
282674
292674
302773
312773

Chance of precipitation in January

Any precipitation

Belem gets around 232 mm of rain over 23.8 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
374
474
575
675
775
876
976
1076
1176
1276
1376
1476
1576
1676
1776
1876
1977
2077
2177
2277
2376
2476
2576
2676
2776
2876
2975
3075
3175

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1225712
2224722
3224722
4223732
5223732
6222742
7222742
8222733
9222733
10222733
11222733
12221743
13221743
14221743
15221743
16221743
17222733
18222733
19222733
20221743
21221743
22221743
23221743
24220753
25220753
26220753
27219763
28219763
29218773
30218764
31218764

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 24 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:27 AM to 6:47 AM, and sunset from 7:52 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:277:52
213.46:277:53
313.46:287:53
413.46:297:53
513.46:297:53
613.46:307:54
713.46:307:54
813.46:317:54
913.46:327:54
1013.46:327:54
1113.46:337:54
1213.36:347:55
1313.36:347:55
1413.36:357:55
1513.36:367:55
1613.36:377:55
1713.36:377:55
1813.36:387:55
1913.36:397:55
2013.36:397:55
2113.26:407:55
2213.26:417:54
2313.26:417:54
2413.26:427:54
2513.26:437:54
2613.26:447:54
2713.26:447:54
2813.16:457:53
2913.16:467:53
3013.16:467:53
3113.16:477:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.35 kWh/m².

For context, solar energy here swings from a low near 3.31 kWh/m² to a high of 5.64 kWh/m² in December across the year — January's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Belem

In seasonPeak

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

Belem's rainy season runs October–March, when most of the year's rain falls.

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

Is January a good time to visit Belem?

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

4.3
Sightseeing
12th-best month of the year
4.5
Beach & pool
12th-best month of the year

January is a reasonable time to visit Belem for sightseeing.

What to pack for Belem in January

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

In January, Belem sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Belem in January

The nearest coast averages about 27°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 61 km away) is warmest in February at about 27°C and coldest in August near 21°C.

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

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Belem in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Belem peaks around February 8 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 8UV 14Jul 14UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar10Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug7Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Belem in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Belem is worst in June — around 71 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (December, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2370 µg/m³Dec 2031 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar41Poor
Apr48Poor
May62Unhealthy
Jun71Unhealthy
Jul70Unhealthy
Aug60Unhealthy
Sep53Poor
Oct39Poor
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Belem?

Belem sits at 23.5°S, 46.6°W, 740 m above sea level, in Brazil. The nearest listed city is Pari, 3.0 km away.

Topography around Belem

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

Within 3 km, the terrain around Belem has only modest variations in elevation — a maximum elevation change of 81 m around an average of 739 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 502 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,708 m.

The land around Belem is covered by artificial surfaces (94%) within 3 km, artificial surfaces (79%) within 16 km, and trees (56%) within 80 km.

3 km
81 m
16 km
502 m
80 km
1,708 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Pari 3.0 km · Brás 3.0 km · Mooca 3.0 km · Vila Maria 3.0 km · Tatuapé 3.0 km · Vila Guilherme 3.0 km · Cambuci 4.0 km · Se 4.0 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 Belem (-23.5376°, -46.5948°, elevation 740 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. 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).