Meruoca weather in January

In January, Meruoca sees average daytime highs of 31°C and overnight lows near 23°C, with 205 mm of rain across 21.7 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 4th-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 11% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Meruoca's 9th-clearest and 8th-windiest month. For the whole year in context, see Meruoca's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
9th coldest
Rainfall
205 mm
21.7 wet days
Daylight
12 h 12 min
5:46 AM – 5:57 PM
Cloud cover
74%
9th clearest
Wind
8 km/h
8th windiest
Solar energy
5.3 kWh/m²
Travel score
3.1
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 Meruoca reaches about 31°C in the afternoon and slips back to 23°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 34°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C warmer than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Meruoca

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.

Meruoca 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
Jan31° / 23°20521.712.23.1
Feb30° / 23°25523.912.13.0
Mar30° / 23°37228.5122.9
Apr30° / 23°37026.811.93.0
May30° / 22°17420.911.83.7
Jun30° / 22°611211.84.7
Jul31° / 22°326.711.85.0
Aug33° / 22°122.611.94.6
Sep34° / 23°41.3124.0
Oct34° / 23°8212.13.6
Nov34° / 24°123.212.23.5
Dec33° / 24°5810.512.23.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23862
33763
43565
53565
63367
73367
83169
92971
102971
112773
122773
132575
142476
152476
162476
172476
182377
192377
202377
212377
222377
232476
242476
252476
262476
272476
282575
292575
302674
312773

Chance of precipitation in January

Any precipitation

Meruoca gets around 205 mm of rain over 21.7 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 70% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
156
257
359
460
562
663
764
865
966
1067
1168
1269
1370
1471
1572
1673
1773
1873
1973
2074
2174
2274
2374
2475
2575
2675
2775
2875
2976
3076
3176

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 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
13367
23169
33070
42971
52872
62773
72674
82575
92575
102476
112377
122377
132278
142179
152179
162080
172080
181981
191981
201981
211981
221882
231882
241882
251783
261783
271783
281684
291684
301684
311585

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 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 grow by about 0 minutes over January. Sunrise moves from 5:39 AM to 5:51 AM, and sunset from 5:51 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:395:51
212.25:395:51
312.25:405:52
412.25:405:52
512.25:415:53
612.25:415:53
712.25:425:54
812.25:425:54
912.25:435:54
1012.25:435:55
1112.25:435:55
1212.25:445:55
1312.25:445:56
1412.25:455:56
1512.25:455:56
1612.25:465:57
1712.25:465:57
1812.25:465:57
1912.25:475:57
2012.25:475:58
2112.25:475:58
2212.25:485:58
2312.25:485:58
2412.25:485:59
2512.25:495:59
2612.25:495:59
2712.25:495:59
2812.25:505:59
2912.25:506:00
3012.25:506:00
3112.25:516:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.3 kWh/m².

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 6.77 kWh/m² in September across the year — January's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Meruoca

In seasonPeak

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

Meruoca's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Meruoca?

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

3.1
Sightseeing
9th-best month of the year
4.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Meruoca.

What to pack for Meruoca in January

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

In January, Meruoca sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Meruoca 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 Meruoca peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 22UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Meruoca in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Meruoca is worst in December — around 17 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1017 µg/m³Jul 216 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar12Moderate
Apr12Good
May10Good
Jun7Good
Jul6Good
Aug6Good
Sep7Good
Oct10Good
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Meruoca?

Meruoca sits at 3.5°S, 40.5°W, 668 m above sea level, in Brazil. The nearest listed city is Massapê, 13 km away.

Topography around Meruoca

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

Within 3 km, the terrain around Meruoca has significant variations in elevation — a maximum elevation change of 521 m around an average of 729 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 956 m; within 80 km, large variations in elevation — a maximum elevation change of 1,010 m.

The land around Meruoca is covered by trees (96%) within 3 km, trees (54%) and shrubs (33%) within 16 km, and shrubs (49%), trees (27%) and grassland (22%) within 80 km.

3 km
521 m
16 km
956 m
80 km
1,010 m
treesshrubsgrasslandartificial surfaceswater
January weather nearby: Massapê 13 km · Sobral 20 km · Coreaú 22 km · Santana do Acaraú 28 km · Forquilha 36 km · Cariré 46 km · Frecheirinha 47 km · Morrinhos 50 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 Meruoca (-3.5417°, -40.455°, elevation 668 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).