Ilhéus weather in January

In January, Ilhéus sees average daytime highs of 28°C and overnight lows near 25°C, with 95 mm of rain across 20.4 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of January to 12 h 42 min by month's end. Set against the rest of the year, January is Ilhéus's 10th-clearest and 9th-windiest month. For the whole year in context, see Ilhéus's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
25°
12th coldest
Rainfall
95 mm
20.4 wet days
Daylight
12 h 48 min
5:22 AM – 6:09 PM
Cloud cover
57%
10th clearest
Wind
12 km/h
9th windiest
Solar energy
6.21 kWh/m²
Travel score
4.9
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Ilhéus reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

Ilhéus weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°9520.412.84.9
Feb28° / 25°8119.412.54.5
Mar28° / 25°11623.112.14.4
Apr28° / 24°13123.111.74.6
May26° / 23°11019.111.35.3
Jun25° / 22°9819.411.15.5
Jul25° / 21°9520.111.25.6
Aug25° / 21°7017.711.55.9
Sep25° / 22°6115.111.96.2
Oct26° / 23°8316.112.35.9
Nov27° / 24°12517.912.75.2
Dec28° / 25°11017.912.95.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45347
55248
65248
75248
85248
95248
105248
115248
125347
135347
145347
155347
165347
175446
185545
195545
205644
215644
225743
235743
245842
255941
265941
275941
286040
296040
306040
316040

Chance of precipitation in January

Any precipitation

Ilhéus gets around 95 mm of rain over 20.4 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 66% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
161
262
363
463
564
665
765
866
966
1066
1167
1267
1367
1467
1568
1668
1768
1867
1967
2067
2167
2266
2366
2466
2566
2666
2766
2866
2966
3066
3166

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11927
21918
30928
40919
50919
609010
708911
808911
908911
1008812
1108812
1208812
1308713
1408713
1508614
1608614
1708515
1808515
1908515
2008416
2108416
2208416
2308416
2408416
2508416
2608416
2708416
2808416
2908416
3008416
3108416

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 54 min at the start of January to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:13 AM to 5:30 AM, and sunset from 6:05 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:136:05
212.95:146:06
312.95:156:06
412.95:156:06
512.85:166:07
612.85:166:07
712.85:176:07
812.85:176:07
912.85:186:08
1012.85:186:08
1112.85:196:08
1212.85:206:08
1312.85:206:09
1412.85:216:09
1512.85:216:09
1612.85:226:09
1712.85:226:09
1812.85:236:09
1912.85:236:09
2012.85:246:10
2112.85:256:10
2212.75:256:10
2312.75:266:10
2412.75:266:10
2512.75:276:10
2612.75:276:10
2712.75:286:10
2812.75:286:10
2912.75:296:09
3012.75:296:09
3112.75:306:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.21 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.21 kWh/m² in January across the year — January's 6.21 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in January

Is January a good time to visit Ilhéus?

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

4.9
Sightseeing
9th-best month of the year
5.3
Beach & pool
4th-best month of the year

January is a reasonable time to visit Ilhéus for sightseeing.

What to pack for Ilhéus in January

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

In January, Ilhéus sees daytime highs around 28°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Ilhéus in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Ilhéus 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 Ilhéus peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 22UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Ilhéus?

Ilhéus sits at 14.8°S, 39.0°W, in Brazil. The nearest listed city is Itabuna, 27 km away.

Topography around Ilhéus

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

Within 3 km, the terrain around Ilhéus has only modest variations in elevation — a maximum elevation change of 72 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, large variations in elevation — a maximum elevation change of 1,034 m.

The land around Ilhéus is covered by water (55%) and artificial surfaces (22%) within 3 km, water (54%) and trees (40%) within 16 km, and trees (51%) and water (32%) within 80 km.

3 km
72 m
16 km
181 m
80 km
1,034 m
treesgrasslandartificial surfacesbare terrainwatermangroves
January weather nearby: Itabuna 27 km · Uruçuca 35 km · Itajuípe 39 km · Una 55 km · Itacaré 58 km · Coaraci 59 km · Ibicaraí 60 km · Ubaitaba 63 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 Ilhéus (-14.7991°, -39.0323°), 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).