Belterra weather in January

In January, Belterra sees average daytime highs of 29°C and overnight lows near 25°C, with 412 mm of rain across 28 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-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 3% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Belterra's 9th-clearest and 7th-windiest month. For the whole year in context, see Belterra's year-round climate.

Daytime high
29°
8th warmest
Overnight low
25°
6th coldest
Rainfall
412 mm
28 wet days
Daylight
12 h 06 min
6:45 AM – 6:53 PM
Cloud cover
82%
9th clearest
Wind
9 km/h
7th windiest
Solar energy
4.56 kWh/m²
Travel score
3.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Belterra reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How January really feels in Belterra

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Belterra weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°4122812.13.1
Feb29° / 24°39426.112.13.1
Mar29° / 24°49329.2123.0
Apr29° / 25°4482911.92.9
May29° / 25°33729.511.93.1
Jun29° / 25°15723.111.93.7
Jul30° / 25°11119.211.94.3
Aug31° / 26°7813.511.94.4
Sep32° / 26°7612.3124.1
Oct32° / 26°11212.712.13.9
Nov31° / 26°15717.212.13.6
Dec30° / 25°24021.912.13.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31981
41981
51783
61783
71783
81684
91585
101585
111486
121486
131387
141288
151288
161288
171189
181189
191189
201189
211090
221090
231090
241090
251090
261090
271090
281090
291090
301090
311090

Chance of precipitation in January

Any precipitation

Belterra gets around 412 mm of rain over 28 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
286
386
487
588
688
789
889
990
1091
1191
1292
1392
1492
1592
1692
1792
1892
1992
2092
2191
2291
2391
2491
2591
2691
2791
2891
2991
3091
3191

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1973
2982
3982
4982
5973
6973
7973
8973
9973
10964
11964
12964
13964
14955
15955
16955
17955
18955
19955
20955
21955
22955
23955
24955
25955
26955
27955
28955
29955
30955
31946

Wind in January

Winds average 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 min at the start of January to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 6:38 AM to 6:50 AM, and sunset from 6:47 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:386:47
212.16:396:48
312.16:396:48
412.16:406:49
512.16:406:49
612.16:416:50
712.16:416:50
812.16:426:50
912.16:426:51
1012.16:426:51
1112.16:436:51
1212.16:436:52
1312.16:446:52
1412.16:446:53
1512.16:456:53
1612.16:456:53
1712.16:456:53
1812.16:466:54
1912.16:466:54
2012.16:466:54
2112.16:476:55
2212.16:476:55
2312.16:476:55
2412.16:486:55
2512.16:486:56
2612.16:486:56
2712.16:496:56
2812.16:496:56
2912.16:496:56
3012.16:496:56
3112.16:506:57

Solar energy in January

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.18 kWh/m² in October across the year — January'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
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in January

Hazard calendar for Belterra

In seasonPeak

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

Belterra'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 January a good time to visit Belterra?

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

3.1
Sightseeing
8th-best month of the year
4.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Belterra.

What to pack for Belterra in January

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

In January, Belterra sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Belterra 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 Belterra peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 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 highExtremeExtremeMar 12UV 15Nov 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct12Extreme
Nov10Very high
Dec11Extreme

Air quality in Belterra 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 Belterra is worst in November — around 50 µg/m³ PM2.5 (poor), about 5.5× the cleanest month (June, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 1050 µg/m³Jun 169 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun9Good
Jul10Good
Aug15Moderate
Sep24Moderate
Oct47Poor
Nov50Poor
Dec27Moderate
Location & terrain

Where is Belterra?

Belterra sits at 2.6°S, 54.9°W, 169 m above sea level, in Brazil. The nearest listed city is Mojuí dos Campos, 33 km away.

Topography around Belterra

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

Within 3 km, the terrain around Belterra has only modest variations in elevation — a maximum elevation change of 161 m around an average of 147 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 194 m; within 80 km, only modest variations in elevation — a maximum elevation change of 239 m.

The land around Belterra is covered by trees (61%) and grassland (38%) within 3 km, trees (48%), water (29%) and grassland (24%) within 16 km, and trees (57%) and water (26%) within 80 km.

3 km
161 m
16 km
194 m
80 km
239 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: Mojuí dos Campos 33 km · Santarém 33 km · Alenquer 80 km · Óbidos 103 km · Aveiro 116 km · Monte Alegre 119 km · Juruti 139 km · Oriximiná 142 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 Belterra (-2.6364°, -54.9372°, elevation 169 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).