São Caetano de Odivelas weather in January

In January, São Caetano de Odivelas sees average daytime highs of 28°C and overnight lows near 25°C, with 262 mm of rain across 28.1 wet days and about 12 hours of daylight. It is the 9th-warmest and 5th-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 6% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of January to 12 hours by month's end. Set against the rest of the year, January is São Caetano de Odivelas's 9th-clearest and 6th-windiest month. For the whole year in context, see São Caetano de Odivelas's year-round climate.

Daytime high
28°
9th warmest
Overnight low
25°
7th coldest
Rainfall
262 mm
28.1 wet days
Daylight
12 hours
6:20 AM – 6:23 PM
Cloud cover
78%
9th clearest
Wind
15 km/h
6th windiest
Solar energy
4.65 kWh/m²
Travel score
3.5
out of 10

São Caetano de Odivelas 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 São Caetano de Odivelas 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 about 1°C cooler than December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12925
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

How January really feels in São Caetano de Odivelas

Once humidity and wind are folded in, January averages 3 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
3
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.

São Caetano de Odivelas weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°26228.1123.5
Feb28° / 25°35827.1123.4
Mar28° / 25°46130.6123.3
Apr28° / 25°41229.5123.2
May28° / 25°28327.8123.4
Jun29° / 25°12823.5123.9
Jul29° / 25°8220.3124.5
Aug29° / 25°3310.7125.5
Sep30° / 26°133.6126.2
Oct30° / 26°123.3126.1
Nov30° / 26°235.8125.6
Dec29° / 25°9216.6124.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
33070
42971
52872
62773
72773
82575
92476
102476
112377
122179
132179
142080
151882
161882
171783
181783
191684
201684
211684
221585
231585
241585
251486
261486
271486
281486
291387
301387
311387

Chance of precipitation in January

Any precipitation

São Caetano de Odivelas gets around 262 mm of rain over 28.1 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 90% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
181
282
383
485
586
687
788
888
989
1090
1190
1291
1391
1492
1592
1692
1792
1893
1993
2093
2193
2293
2393
2493
2593
2693
2793
2893
2994
3094
3194

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17624
27624
37723
47723
57822
67822
77822
87822
97921
107921
118020
128119
138119
148218
158317
168317
178317
188416
198416
208416
218317
228317
238317
248317
258317
268317
278218
288218
298218
308119
318119

Wind in January

Winds average 15 km/h in January.

Across January, daily wind ranges from about 15 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
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 6:14 AM to 6:24 AM, and sunset from 6:17 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:146:17
212.06:146:17
312.06:156:17
412.06:156:18
512.06:166:18
612.06:166:19
712.06:176:19
812.06:176:20
912.06:176:20
1012.06:186:20
1112.06:186:21
1212.06:196:21
1312.06:196:21
1412.06:196:22
1512.06:206:22
1612.06:206:23
1712.06:216:23
1812.06:216:23
1912.06:216:24
2012.06:226:24
2112.06:226:24
2212.06:226:24
2312.06:226:25
2412.06:236:25
2512.06:236:25
2612.06:236:25
2712.06:246:26
2812.06:246:26
2912.06:246:26
3012.06:246:26
3112.06:246:26

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.36 kWh/m² in October across the year — January's 4.65 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in January

Hazard calendar for São Caetano de Odivelas

In seasonPeak

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

São Caetano de Odivelas'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 São Caetano de Odivelas?

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

3.5
Sightseeing
8th-best month of the year
4.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in São Caetano de Odivelas.

What to pack for São Caetano de Odivelas in January

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

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

light clothesrain gearsun protection

Sea temperature near São Caetano de Odivelas 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 18 km away) is warmest in June at about 29°C and coldest in February near 28°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct28Tropical
Nov28Tropical
Dec29Tropical

UV index in São Caetano de Odivelas 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 São Caetano de Odivelas peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in São Caetano de Odivelas 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 São Caetano de Odivelas is worst in February — around 23 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2023 µg/m³Jul 148 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb23Moderate
Mar22Moderate
Apr17Moderate
May10Good
Jun8Good
Jul8Good
Aug9Good
Sep11Good
Oct12Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is São Caetano de Odivelas?

São Caetano de Odivelas sits at 0.8°S, 48.0°W, 8 m above sea level, in Brazil. The nearest listed city is Vigia, 18 km away.

Topography around São Caetano de Odivelas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Caetano de Odivelas.

Within 3 km, the terrain around São Caetano de Odivelas has only modest variations in elevation — a maximum elevation change of 33 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 68 m.

The land around São Caetano de Odivelas is covered by mangroves (53%) and trees (25%) within 3 km, trees (44%), water (28%) and mangroves (21%) within 16 km, and water (42%) and trees (37%) within 80 km.

3 km
33 m
16 km
56 m
80 km
68 m
treesgrasslandartificial surfaceswaterwetlandmangroves
January weather nearby: Vigia 18 km · Curuçá 19 km · Marapanim 36 km · Santo Antônio do Tauá 46 km · Salvaterra 55 km · Soure 56 km · Santa Bárbara do Pará 61 km · Igarapé-Açu 61 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 São Caetano de Odivelas (-0.75°, -48.02°, elevation 8 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. 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).