Tambaú weather in January

In January, Tambaú sees average daytime highs of 29°C and overnight lows near 21°C, with 240 mm of rain across 21.9 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 15% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Tambaú's 12th-clearest and 9th-windiest month. For the whole year in context, see Tambaú's year-round climate.

Daytime high
29°
4th warmest
Overnight low
21°
12th coldest
Rainfall
240 mm
21.9 wet days
Daylight
13 h 12 min
6:43 AM – 7:54 PM
Cloud cover
75%
12th clearest
Wind
7 km/h
9th windiest
Solar energy
5.59 kWh/m²
Travel score
3.8
out of 10

Tambaú 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 29°C through the month.

A typical January day in Tambaú reaches about 29°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
223021
233021
243021
253021
263021
273021
283021
293021
303020
313020

Tambaú weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°24021.913.23.8
Feb30° / 20°16618.312.73.9
Mar29° / 20°14417.412.24.5
Apr29° / 18°608.311.56.1
May26° / 15°506117.5
Jun26° / 14°293.410.78.2
Jul26° / 13°232.610.88.3
Aug28° / 15°213.211.37.6
Sep29° / 17°677.511.95.8
Oct30° / 19°10613.412.54.6
Nov29° / 19°16417.1134.4
Dec29° / 20°20321.413.33.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22674
32773
42674
52674
62575
72575
82575
92575
102674
112674
122674
132773
142773
152773
162773
172773
182773
192773
202773
212773
222872
232971
242971
252971
263070
273169
283169
293268
303268
313466

Chance of precipitation in January

Any precipitation

Tambaú gets around 240 mm of rain over 21.9 wet days in January, the wettest month. 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 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
370
470
570
670
770
870
970
1070
1170
1269
1369
1469
1569
1670
1770
1870
1970
2070
2171
2271
2371
2471
2571
2671
2770
2870
2970
3070
3169

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11147411
21147411
31147411
41147312
51147312
61147312
71147213
81147213
91147213
101147213
111147213
121147213
131147312
141147312
151147312
161147312
171147312
182147212
192137411
202137411
212137411
222127511
232127511
242127412
252127412
263127312
273117412
283117412
293127312
303127213
314127113

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:33 AM to 6:53 AM, and sunset from 7:51 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:337:51
213.36:347:52
313.36:347:52
413.36:357:52
513.36:367:52
613.36:367:53
713.36:377:53
813.36:377:53
913.36:387:53
1013.26:397:54
1113.26:397:54
1213.26:407:54
1313.26:417:54
1413.26:417:54
1513.26:427:54
1613.26:437:54
1713.26:437:54
1813.26:447:54
1913.26:457:54
2013.16:457:54
2113.16:467:54
2213.16:477:54
2313.16:477:54
2413.16:487:54
2513.16:497:54
2613.16:497:53
2713.16:507:53
2813.06:517:53
2913.06:517:53
3013.06:527:53
3113.06:537:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.59 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 5.96 kWh/m² in October across the year — January's 5.59 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Tambaú

In seasonPeak

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

Tambaú's monsoon runs November–March, 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 Tambaú?

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

3.8
Sightseeing
12th-best month of the year
5.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Tambaú.

What to pack for Tambaú in January

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

In January, Tambaú sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Tambaú in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tambaú peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Tambaú 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 Tambaú is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Tambaú?

Tambaú sits at 21.7°S, 47.3°W, 703 m above sea level, in Brazil. The nearest listed city is Santa Cruz das Palmeiras, 14 km away.

Topography around Tambaú

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

Within 3 km, the terrain around Tambaú has only modest variations in elevation — a maximum elevation change of 124 m around an average of 716 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 431 m; within 80 km, large variations in elevation — a maximum elevation change of 1,126 m.

The land around Tambaú is covered by cropland (32%), trees (26%) and grassland (23%) within 3 km, cropland (48%) and trees (35%) within 16 km, and cropland (41%) and trees (38%) within 80 km.

3 km
124 m
16 km
431 m
80 km
1,126 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Santa Cruz das Palmeiras 14 km · Casa Branca 21 km · Santa Rita do Passa Quatro 21 km · Porto Ferreira 27 km · Santa Rosa de Viterbo 27 km · Pirassununga 36 km · Mococa 38 km · São José do Rio Pardo 42 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 Tambaú (-21.705°, -47.2744°, elevation 703 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).