Laranjal do Jari weather in January

In January, Laranjal do Jari sees average daytime highs of 31°C and overnight lows near 23°C, with 163 mm of rain across 23 wet days and about 12 hours of daylight. It is the 6th-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 4% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of January to 12 hours by month's end. Set against the rest of the year, January is Laranjal do Jari's 9th-clearest and 6th-windiest month. For the whole year in context, see Laranjal do Jari's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
8th coldest
Rainfall
163 mm
23 wet days
Daylight
12 hours
6:38 AM – 6:41 PM
Cloud cover
80%
9th clearest
Wind
8 km/h
6th windiest
Solar energy
4.35 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 31°C through the month.

A typical January day in Laranjal do Jari reaches about 31°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C warmer than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23124
33124
43124
53124
63124
73124
83124
93124
103124
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Laranjal do Jari

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.

Laranjal do Jari weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°16323123.1
Feb30° / 23°20923.5123.1
Mar30° / 23°25826.8123.0
Apr30° / 23°29327.7122.8
May30° / 23°25726.9123.0
Jun30° / 23°13322.1123.4
Jul31° / 23°9117.6123.9
Aug32° / 23°337.9124.3
Sep33° / 24°173.7124.0
Oct34° / 24°204.6123.7
Nov33° / 24°336123.6
Dec32° / 24°7712.5123.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42674
52575
62476
72476
82377
92278
102179
112179
121981
131981
141882
151783
161684
171585
181585
191486
201486
211486
221486
231387
241387
251387
261288
271189
281189
291090
301090
311090

Chance of precipitation in January

Any precipitation

Laranjal do Jari gets around 163 mm of rain over 23 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 73% 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 (%)
163
265
366
467
569
670
771
872
972
1073
1173
1274
1374
1475
1575
1675
1776
1876
1976
2076
2176
2276
2376
2476
2576
2676
2776
2876
2976
3076
3176

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
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
32971
42971
52971
61981
71981
81981
91981
101981
111981
121981
131981
141981
151981
161972
171972
181972
191972
201972
211963
222953
232953
242953
252944
262944
272944
282935
292935
302935
312935

Wind in January

Winds average 8 km/h in January.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 6:32 AM to 6:42 AM, and sunset from 6:35 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:326:35
212.06:326:35
312.06:336:35
412.06:336:36
512.06:346:36
612.06:346:37
712.06:346:37
812.06:356:38
912.06:356:38
1012.06:366:38
1112.06:366:39
1212.06:376:39
1312.06:376:40
1412.06:376:40
1512.06:386:40
1612.06:386:41
1712.06:386:41
1812.06:396:41
1912.06:396:42
2012.06:396:42
2112.06:406:42
2212.06:406:42
2312.06:406:43
2412.06:416:43
2512.06:416:43
2612.06:416:43
2712.06:416:44
2812.06:426:44
2912.06:426:44
3012.06:426:44
3112.06:426:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.35 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 6.26 kWh/m² in October across the year — January's 4.35 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in January

Hazard calendar for Laranjal do Jari

In seasonPeak

In January, Laranjal do Jari sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Laranjal do Jari's monsoon runs January–June, when most of the year's rain falls.

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

Is January a good time to visit Laranjal do Jari?

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
4.6
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Laranjal do Jari.

What to pack for Laranjal do Jari in January

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

In January, Laranjal do Jari sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 23 days see rain.

light clothesrain gear

UV index in Laranjal do Jari in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Laranjal do Jari peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Laranjal do Jari 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 Laranjal do Jari is worst in February — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2217 µg/m³Jul 218 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar17Moderate
Apr15Moderate
May10Good
Jun9Good
Jul8Good
Aug8Good
Sep10Good
Oct13Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Laranjal do Jari?

Laranjal do Jari sits at 0.8°S, 52.5°W, 79 m above sea level, in Brazil. The nearest listed city is Almeirim, 78 km away.

Topography around Laranjal do Jari

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

Within 3 km, the terrain around Laranjal do Jari has only modest variations in elevation — a maximum elevation change of 101 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 245 m; within 80 km, large variations in elevation — a maximum elevation change of 634 m.

The land around Laranjal do Jari is covered by trees (59%) within 3 km, trees (83%) within 16 km, and trees (88%) within 80 km.

3 km
101 m
16 km
245 m
80 km
634 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: Almeirim 78 km · Porto de Moz 107 km · Gurupá 116 km · Prainha 153 km · Mazagão 157 km · Santana 172 km · Macapá 187 km · Senador José Porfírio 206 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 Laranjal do Jari (-0.826°, -52.506°, elevation 79 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).