Sirinhaém weather in January

In January, Sirinhaém sees average daytime highs of 28°C and overnight lows near 25°C, with 60 mm of rain across 18.3 wet days and about 12.4 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 46% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is Sirinhaém's 8th-clearest and 8th-windiest month. For the whole year in context, see Sirinhaém's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
25°
9th coldest
Rainfall
60 mm
18.3 wet days
Daylight
12 h 30 min
5:16 AM – 5:43 PM
Cloud cover
50%
8th clearest
Wind
14 km/h
8th windiest
Solar energy
5.84 kWh/m²
Travel score
5.0
out of 10

Sirinhaém 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 28°C through the month.

A typical January day in Sirinhaém 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

Sirinhaém 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°6018.312.45.0
Feb28° / 25°6616.612.34.8
Mar29° / 25°882012.14.6
Apr28° / 25°12021.811.84.4
May27° / 24°16024.111.64.6
Jun27° / 24°18524.811.54.5
Jul26° / 23°1552511.54.7
Aug26° / 23°9221.611.75.2
Sep26° / 23°5817.911.95.7
Oct27° / 24°4115.412.26.0
Nov28° / 24°3212.812.46.2
Dec28° / 25°3714.112.55.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26535
36535
46436
56436
66535
76535
86436
96436
106436
116337
126337
136139
146139
156139
166139
176040
186040
196139
206238
216238
226238
236238
246337
256436
266436
276436
286535
296535
306733
316733

Chance of precipitation in January

Any precipitation

Sirinhaém gets around 60 mm of rain over 18.3 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 59% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
253
353
454
555
656
756
857
958
1058
1159
1260
1360
1461
1561
1662
1762
1862
1962
2062
2162
2262
2361
2461
2561
2661
2760
2860
2959
3058
3158

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
19910
28920
38920
47930
56931
66931
75941
85941
95941
104951
114951
124951
134951
144951
154951
164951
174942
184942
194942
204942
214942
225932
235932
245932
255932
265932
274942
284942
294942
304942
314942

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light 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 30 min at the start of January to 12 h 24 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 5:09 AM to 5:22 AM, and sunset from 5:38 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:095:38
212.55:095:39
312.55:105:39
412.55:105:40
512.55:115:40
612.55:115:40
712.55:125:41
812.55:125:41
912.55:135:41
1012.55:135:42
1112.55:145:42
1212.55:145:42
1312.55:155:43
1412.55:155:43
1512.55:165:43
1612.55:165:43
1712.45:175:43
1812.45:175:44
1912.45:185:44
2012.45:185:44
2112.45:195:44
2212.45:195:44
2312.45:195:45
2412.45:205:45
2512.45:205:45
2612.45:215:45
2712.45:215:45
2812.45:215:45
2912.45:225:45
3012.45:225:45
3112.45:225:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.84 kWh/m².

For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 5.96 kWh/m² in November across the year — January's 5.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Sirinhaém

In seasonPeak

None of Sirinhaém's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Sirinhaém's rainy season runs March–August, 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 Sirinhaém?

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

5.0
Sightseeing
6th-best month of the year
5.8
Beach & pool
4th-best month of the year

January is a reasonable time to visit Sirinhaém for sightseeing.

What to pack for Sirinhaém in January

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

In January, Sirinhaém sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Sirinhaém 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 27 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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Sirinhaém in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sirinhaém peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 14UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Sirinhaém?

Sirinhaém sits at 8.6°S, 35.1°W, 43 m above sea level, in Brazil. The nearest listed city is Rio Formoso, 10 km away.

Topography around Sirinhaém

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

Within 3 km, the terrain around Sirinhaém has only modest variations in elevation — a maximum elevation change of 107 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 200 m; within 80 km, large variations in elevation — a maximum elevation change of 859 m.

The land around Sirinhaém is covered by trees (32%), grassland (30%) and cropland (30%) within 3 km, trees (32%), grassland (26%) and water (22%) within 16 km, and grassland (42%) and water (32%) within 80 km.

3 km
107 m
16 km
200 m
80 km
859 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
January weather nearby: Rio Formoso 10 km · Tamandaré 18 km · Porto de Galinhas 22 km · Barreiros 26 km · Escada 28 km · Gameleira 30 km · Ribeirão 30 km · São José da Coroa Grande 34 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 Sirinhaém (-8.5908°, -35.1161°, elevation 43 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).