Araruna weather in January

In January, Araruna sees average daytime highs of 31°C and overnight lows near 22°C, with 43 mm of rain across 10.9 wet days and about 12.3 hours of daylight. It is the 3rd-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 25% of the time in January, and the air most often feels muggy.

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 Araruna's 9th-clearest and 9th-windiest month. For the whole year in context, see Araruna's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
43 mm
10.9 wet days
Daylight
12 h 18 min
5:22 AM – 5:43 PM
Cloud cover
61%
9th clearest
Wind
13 km/h
9th windiest
Solar energy
5.88 kWh/m²
Travel score
4.4
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 Araruna reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273123
283123
293123
303123
313123

How January really feels in Araruna

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.

Araruna weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°4310.912.34.4
Feb31° / 23°5311.812.24.2
Mar31° / 23°7415.3124.1
Apr30° / 22°7714.611.94.4
May29° / 22°5211.611.75.2
Jun28° / 21°429.211.66.3
Jul28° / 20°347.611.76.8
Aug28° / 20°15411.86.8
Sep29° / 21°82.6126.3
Oct31° / 21°72.212.15.7
Nov31° / 22°82.812.35.4
Dec31° / 22°176.112.44.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 27% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35644
45644
55545
65545
75446
85347
95347
105248
115149
125050
134951
144852
154852
164753
174753
184753
194753
204753
214852
224951
235050
245050
255050
265149
275248
285347
295248
305347
315347

Chance of precipitation in January

Any precipitation

Araruna gets around 43 mm of rain over 10.9 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 35% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
125
226
326
427
527
628
729
830
930
1032
1133
1234
1335
1436
1537
1638
1739
1840
1940
2040
2141
2241
2341
2441
2541
2641
2740
2840
2939
3038
3137

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
127127
227028
327028
427028
517128
617128
717128
817029
917029
1016930
1116831
1206832
1306634
1406535
1506436
1606238
1706139
1806040
1905842
2005743
2105644
2205545
2305545
2405446
2505446
2605347
2705446
2805446
2905446
3005545
3105545

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 5:15 AM to 5:28 AM, and sunset from 5:37 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:155:37
212.45:155:38
312.45:165:38
412.45:165:39
512.45:175:39
612.45:175:39
712.45:185:40
812.45:185:40
912.45:195:40
1012.45:195:41
1112.45:205:41
1212.45:205:41
1312.45:215:42
1412.35:215:42
1512.35:225:42
1612.35:225:43
1712.35:225:43
1812.35:235:43
1912.35:235:43
2012.35:245:43
2112.35:245:44
2212.35:245:44
2312.35:255:44
2412.35:255:44
2512.35:265:44
2612.35:265:44
2712.35:265:45
2812.35:275:45
2912.35:275:45
3012.35:275:45
3112.35:285:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.88 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.28 kWh/m² in November across the year — January's 5.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
316.0Bright
Planning a trip in January

Is January a good time to visit Araruna?

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

4.4
Sightseeing
9th-best month of the year
6.5
Beach & pool
9th-best month of the year

January is a reasonable time to visit Araruna for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Araruna in January

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

In January, Araruna sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Araruna 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 Araruna peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 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 highExtremeMar 12UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Araruna?

Araruna sits at 6.6°S, 35.7°W, 496 m above sea level, in Brazil. The nearest listed city is Cacimba de Dentro, 11 km away.

Topography around Araruna

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

Within 3 km, the terrain around Araruna has only modest variations in elevation — a maximum elevation change of 209 m around an average of 509 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 476 m; within 80 km, large variations in elevation — a maximum elevation change of 744 m.

The land around Araruna is covered by grassland (69%) within 3 km, grassland (55%) and shrubs (37%) within 16 km, and grassland (51%) and shrubs (37%) within 80 km.

3 km
209 m
16 km
476 m
80 km
744 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Cacimba de Dentro 11 km · Solânea 23 km · Bananeiras 24 km · Belém 27 km · Nova Cruz 35 km · Santo Antônio 40 km · Guarabira 43 km · Areia 45 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 Araruna (-6.5583°, -35.7417°, elevation 496 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).