Jacareacanga weather in January

In January, Jacareacanga sees average daytime highs of 30°C and overnight lows near 23°C, with 367 mm of rain across 29.5 wet days and about 12.3 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Jacareacanga's 10th-clearest and 8th-windiest month. For the whole year in context, see Jacareacanga's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
5th coldest
Rainfall
367 mm
29.5 wet days
Daylight
12 h 18 min
6:51 AM – 7:10 PM
Cloud cover
88%
10th clearest
Wind
5 km/h
8th windiest
Solar energy
4.46 kWh/m²
Travel score
2.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Jacareacanga reaches about 30°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 27°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Jacareacanga

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.

Jacareacanga weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°36729.512.32.7
Feb30° / 23°32626.912.22.7
Mar30° / 23°37829.5122.6
Apr30° / 23°29827.811.92.7
May30° / 23°18424.411.73.2
Jun31° / 23°6011.211.64.5
Jul32° / 23°407.411.74.6
Aug33° / 24°458.211.83.8
Sep32° / 24°12616.5123.2
Oct32° / 24°18522.512.12.9
Nov31° / 24°24424.912.32.7
Dec30° / 23°3092812.42.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 4% of January, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5793
6694
7694
8694
9694
10694
11595
12595
13595
14595
15595
16595
17496
18496
19496
20496
21496
22595
23595
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in January

Any precipitation

Jacareacanga gets around 367 mm of rain over 29.5 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
496
596
696
796
896
996
1096
1196
1296
1395
1495
1595
1695
1795
1895
1995
2094
2194
2294
2394
2494
2594
2694
2794
2894
2995
3095
3195

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16832
26832
36832
46832
56832
66931
76931
86931
96931
106931
117030
127030
137129
147228
157228
167327
177426
187426
197525
207624
217624
227624
237723
247723
257723
267822
277822
287723
297723
307723
317723

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 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 6:44 AM to 6:56 AM, and sunset from 7:05 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:447:05
212.46:447:05
312.46:447:06
412.46:457:06
512.36:457:06
612.36:467:07
712.36:467:07
812.36:477:08
912.36:477:08
1012.36:487:08
1112.36:487:09
1212.36:497:09
1312.36:497:09
1412.36:507:09
1512.36:507:10
1612.36:517:10
1712.36:517:10
1812.36:517:11
1912.36:527:11
2012.36:527:11
2112.36:537:11
2212.36:537:11
2312.36:537:12
2412.36:547:12
2512.36:547:12
2612.36:557:12
2712.36:557:12
2812.36:557:12
2912.36:567:12
3012.36:567:12
3112.36:567:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.46 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 5.55 kWh/m² in October across the year — January's 4.46 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in January

Hazard calendar for Jacareacanga

In seasonPeak

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

Jacareacanga's rainy season runs October–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 Jacareacanga?

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

2.7
Sightseeing
7th-best month of the year
3.7
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Jacareacanga.

What to pack for Jacareacanga in January

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

In January, Jacareacanga sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in Jacareacanga 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 Jacareacanga peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Sep 16UV 9
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct10Very high
Nov11Extreme
Dec12Extreme

Air quality in Jacareacanga 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 Jacareacanga is worst in August — around 123 µg/m³ PM2.5 (unhealthy), about 14.8× the cleanest month (June, 8 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateUnhealthyModerateAug 18112 µg/m³Jun 109 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar12Moderate
Apr12Good
May9Good
Jun8Good
Jul16Moderate
Aug123Unhealthy
Sep54Poor
Oct24Moderate
Nov22Moderate
Dec16Moderate
Location & terrain

Where is Jacareacanga?

Jacareacanga sits at 6.2°S, 57.8°W, 72 m above sea level, in Brazil. The nearest listed city is Apuí, 260 km away.

ApuíTrairãoNovo ProgressoBorbaItaitubaNova Olinda do NorteNovo AripuanãMaués

Topography around Jacareacanga

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

Within 3 km, the terrain around Jacareacanga has only modest variations in elevation — a maximum elevation change of 100 m around an average of 85 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 169 m; within 80 km, significant variations in elevation — a maximum elevation change of 319 m.

The land around Jacareacanga is covered by trees (48%) and grassland (28%) within 3 km, trees (81%) within 16 km, and trees (96%) within 80 km.

3 km
100 m
16 km
169 m
80 km
319 m
treesgrasslandartificial surfaceswater
January weather nearby: Apuí 260 km · Trairão 271 km · Novo Progresso 281 km · Borba 288 km · Itaituba 292 km · Nova Olinda do Norte 299 km · Novo Aripuanã 315 km · Maués 316 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 Jacareacanga (-6.2222°, -57.7528°, elevation 72 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).