Jacareacanga in Summer

In summer (December, January and February), Jacareacanga sees average daytime highs around 30°C and overnight lows near 23°C, with 1002 mm of rain over about 84 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 2% of the time across summer, and the air most often feels oppressive.

Summer is Jacareacanga's weakest season of the year to visit on our travel score. Jacareacanga has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Jacareacanga's year-round climate.

Avg daytime high
30°C
coldest season of the year
Avg overnight low
23°C
Rainfall
1002 mm
84 wet days
Avg wind
5 km/h
Travel score
2.7
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Jacareacanga in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 30°C.

A typical summer day in Jacareacanga reaches about 30°C and drops to 23°C overnight. The warmest of the three months is December, the coolest January.

20°25°30°35°DecJanFeb

How summer really feels in Jacareacanga

Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
90
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Jacareacanga weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

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 Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Jacareacanga gets around 1002 mm of rain over 84 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 5 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 18 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 4.5 kWh/m².

024DecJanFeb
Planning a trip in summer

Hazard calendar for Jacareacanga

In seasonPeak

In summer, Jacareacanga overlaps 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 summer a good time to visit Jacareacanga?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.7
Sightseeing
4th-best month of the year
3.7
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Jacareacanga.

What to pack for Jacareacanga in Summer

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

In summer, Jacareacanga sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 84 days see rain.

light clothesrain gearsun protection

UV index in Jacareacanga in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 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 Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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
Summer 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.