Mossoró weather in January

In January, Mossoró sees average daytime highs of 34°C and overnight lows near 24°C, with 68 mm of rain across 12 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 25% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Mossoró's 9th-clearest and 7th-windiest month. For the whole year in context, see Mossoró's year-round climate.

Daytime high
34°
6th warmest
Overnight low
24°
12th coldest
Rainfall
68 mm
12 wet days
Daylight
12 h 18 min
5:31 AM – 5:47 PM
Cloud cover
61%
9th clearest
Wind
15 km/h
7th windiest
Solar energy
5.96 kWh/m²
Travel score
3.0
out of 10

Mossoró 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 34°C through the month.

A typical January day in Mossoró reaches about 34°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How January really feels in Mossoró

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.

Mossoró weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°681212.33.0
Feb33° / 24°8313.312.23.1
Mar32° / 24°12718.3123.1
Apr32° / 24°11716.811.93.3
May33° / 24°56911.83.8
Jun32° / 23°295.911.74.2
Jul33° / 22°18311.74.2
Aug34° / 22°30.511.83.7
Sep35° / 23°10.2123.3
Oct35° / 23°20.212.13.1
Nov35° / 24°30.512.23.2
Dec35° / 24°164.212.33.2

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 22% of January, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35347
45347
55248
65149
75050
85050
94951
104753
114753
124654
134654
144555
154555
164555
174456
184456
194555
204555
214555
224555
234654
244753
254753
264753
274852
284753
294753
304951
314951

Chance of precipitation in January

Any precipitation

Mossoró gets around 68 mm of rain over 12 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 38% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
127
228
328
429
530
631
731
832
933
1034
1135
1236
1338
1439
1540
1641
1741
1842
1943
2043
2144
2244
2345
2445
2545
2645
2745
2844
2944
3043
3143

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1243550
2242560
3241561
4140581
5139591
6138601
7137611
8136612
9135622
10134632
11133642
12132652
13131653
14130663
15129673
16128683
17127693
18127702
19126712
20126712
21126712
22125722
23125722
24125722
25125722
26125722
27126712
28126712
29126712
30126712
31126712

Wind in January

Winds average 15 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 18 min at the start of January to 12 h 12 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 5:24 AM to 5:36 AM, and sunset from 5:41 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:245:41
212.35:245:42
312.35:255:42
412.35:255:43
512.35:265:43
612.35:265:43
712.35:275:44
812.35:275:44
912.35:275:45
1012.35:285:45
1112.35:285:45
1212.35:295:46
1312.35:295:46
1412.35:305:46
1512.35:305:46
1612.35:315:47
1712.35:315:47
1812.35:315:47
1912.35:325:48
2012.35:325:48
2112.35:335:48
2212.35:335:48
2312.35:335:48
2412.25:345:49
2512.25:345:49
2612.25:345:49
2712.25:355:49
2812.25:355:49
2912.25:355:49
3012.25:365:49
3112.25:365:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.96 kWh/m².

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.83 kWh/m² in October across the year — January's 5.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.0Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Intense
Planning a trip in January

Hazard calendar for Mossoró

In seasonPeak

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

Mossoró's rainy season runs January–April, 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 Mossoró?

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

3.0
Sightseeing
12th-best month of the year
5.8
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Mossoró.

What to pack for Mossoró in January

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

In January, Mossoró sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Mossoró 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 42 km away) is warmest in April at about 29°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
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Mossoró 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 Mossoró peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 15UV 15Jul 13UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Mossoró?

Mossoró sits at 5.2°S, 37.3°W, 24 m above sea level, in Brazil. The nearest listed city is Baraúna, 32 km away.

Topography around Mossoró

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

Within 3 km, the terrain around Mossoró has only modest variations in elevation — a maximum elevation change of 44 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 432 m.

The land around Mossoró is covered by artificial surfaces (60%) and grassland (24%) within 3 km, shrubs (57%) and grassland (26%) within 16 km, and shrubs (50%), grassland (21%) and water (20%) within 80 km.

3 km
44 m
16 km
140 m
80 km
432 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Baraúna 32 km · Areia Branca 34 km · Icapuí 53 km · Jaguaruana 62 km · Açu 65 km · Caraúbas 71 km · Quixeré 72 km · Apodi 73 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 Mossoró (-5.1875°, -37.3442°, elevation 24 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).