Umbaúba weather in January

In January, Umbaúba sees average daytime highs of 31°C and overnight lows near 24°C, with 56 mm of rain across 14 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 7th-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 34% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of January to 12 h 30 min by month's end. Set against the rest of the year, January is Umbaúba's 7th-clearest and 4th-windiest month. For the whole year in context, see Umbaúba's year-round climate.

Daytime high
31°
1st warmest
Overnight low
24°
10th coldest
Rainfall
56 mm
14 wet days
Daylight
12 h 36 min
5:22 AM – 5:58 PM
Cloud cover
56%
7th clearest
Wind
12 km/h
4th windiest
Solar energy
6.26 kWh/m²
Travel score
4.1
out of 10

Umbaúba is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Umbaúba reaches about 31°C in the afternoon and slips back to 24°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 33°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)
13123
23123
33123
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How January really feels in Umbaúba

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.

Umbaúba weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°561412.64.1
Feb31° / 24°5514.812.43.8
Mar31° / 24°6016.912.13.8
Apr30° / 23°8819.111.83.9
May29° / 22°11420.811.54.4
Jun27° / 21°10423.111.34.6
Jul27° / 20°8321.911.44.9
Aug27° / 20°7120.411.65.2
Sep28° / 21°5315.811.95.4
Oct29° / 22°4212.312.35.2
Nov30° / 23°4510.712.54.8
Dec31° / 23°371012.74.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55545
65545
75644
85644
95644
105644
115644
125545
135545
145644
155644
165545
175644
185644
195644
205644
215743
225743
235842
245842
255842
265842
275941
285941
296040
306040
316040

Chance of precipitation in January

Any precipitation

Umbaúba gets around 56 mm of rain over 14 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 45% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
139
240
341
443
544
644
745
846
946
1046
1146
1246
1346
1446
1546
1646
1745
1845
1945
2044
2144
2244
2344
2444
2545
2645
2746
2846
2947
3047
3147

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
117830
217830
316840
416831
515841
615841
715841
815841
915841
1015841
1115841
1215841
1315841
1415841
1515841
1615841
1715841
1816831
1916831
2016831
2116831
2217830
2316840
2416840
2516840
2616840
2715850
2815850
2914860
3013870
3113861

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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 42 min at the start of January to 12 h 30 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 5:14 AM to 5:29 AM, and sunset from 5:53 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:145:53
212.75:155:54
312.75:155:54
412.65:165:55
512.65:165:55
612.65:175:55
712.65:175:56
812.65:185:56
912.65:185:56
1012.65:195:57
1112.65:195:57
1212.65:205:57
1312.65:205:57
1412.65:215:58
1512.65:215:58
1612.65:225:58
1712.65:225:58
1812.65:235:58
1912.65:235:58
2012.65:245:59
2112.65:245:59
2212.65:255:59
2312.65:255:59
2412.65:265:59
2512.55:265:59
2612.55:275:59
2712.55:275:59
2812.55:285:59
2912.55:285:59
3012.55:285:59
3112.55:295:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.26 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 6.37 kWh/m² in December across the year — January's 6.26 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
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 Umbaúba?

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

4.1
Sightseeing
9th-best month of the year
6.1
Beach & pool
4th-best month of the year

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

What to pack for Umbaúba in January

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

In January, Umbaúba sees daytime highs around 31°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Umbaúba in January

The nearest coast averages about 27°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 31 km away) is warmest in April at about 28°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Umbaúba 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 Umbaúba peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 highExtremeFeb 17UV 15Jul 11UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Umbaúba?

Umbaúba sits at 11.4°S, 37.7°W, 142 m above sea level, in Brazil. The nearest listed city is Cristinápolis, 15 km away.

Topography around Umbaúba

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

Within 3 km, the terrain around Umbaúba has only modest variations in elevation — a maximum elevation change of 74 m around an average of 130 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 202 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.

The land around Umbaúba is covered by grassland (64%) and trees (20%) within 3 km, grassland (62%) and trees (32%) within 16 km, and grassland (48%), trees (21%) and water (21%) within 80 km.

3 km
74 m
16 km
202 m
80 km
694 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
January weather nearby: Cristinápolis 15 km · Itabaianinha 19 km · Indiaroba 22 km · Boquim 27 km · Estância 27 km · Rio Real 32 km · Riachão do Dantas 36 km · Tobias Barreto 43 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 Umbaúba (-11.3833°, -37.6578°, elevation 142 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. 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).