Caçapava weather in January

In January, Caçapava sees average daytime highs of 28°C and overnight lows near 19°C, with 295 mm of rain across 23.7 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 1st-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 12% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Caçapava's 12th-clearest and 10th-windiest month. For the whole year in context, see Caçapava's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
295 mm
23.7 wet days
Daylight
13 h 18 min
6:34 AM – 7:50 PM
Cloud cover
76%
12th clearest
Wind
5 km/h
10th windiest
Solar energy
5.3 kWh/m²
Travel score
4.3
out of 10

Caçapava 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 Caçapava reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°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)
12719
22719
32719
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Caçapava weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°29523.713.34.3
Feb28° / 19°22719.512.84.6
Mar27° / 18°19019.912.25.0
Apr26° / 16°741111.56.6
May23° / 14°608.110.97.3
Jun23° / 12°375.610.67.8
Jul23° / 12°435.310.77.8
Aug24° / 12°375.611.28.0
Sep25° / 15°8910.311.96.8
Oct26° / 16°13715.812.55.7
Nov26° / 17°18918.213.15.2
Dec27° / 18°22721.913.44.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22575
32575
42575
52575
62476
72476
82476
92476
102575
112575
122575
132674
142674
152674
162674
172575
182575
192575
202575
212575
222674
232674
242674
252674
262773
272872
282971
292971
303070
313070

Chance of precipitation in January

Any precipitation

Caçapava gets around 295 mm of rain over 23.7 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 75% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
176
276
376
476
577
677
777
877
977
1077
1176
1276
1376
1475
1575
1675
1775
1875
1975
2075
2175
2275
2375
2475
2574
2674
2774
2874
2974
3073
3173

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1231661
2131671
3131671
4130681
5130681
6130681
7130681
8130681
9129691
10129691
11129691
12129691
13129691
14129700
15129700
16129700
17129700
18129700
19128710
20128710
21127720
22226720
23226720
24225721
25225721
26224731
27223741
28223741
29222751
30322741
31322741

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 24 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:24 AM to 6:44 AM, and sunset from 7:48 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:247:48
213.46:257:48
313.46:257:48
413.46:267:49
513.46:277:49
613.46:277:49
713.46:287:49
813.46:287:50
913.36:297:50
1013.36:307:50
1113.36:307:50
1213.36:317:50
1313.36:327:50
1413.36:327:50
1513.36:337:50
1613.36:347:50
1713.36:357:50
1813.36:357:50
1913.26:367:50
2013.26:377:50
2113.26:377:50
2213.26:387:50
2313.26:397:50
2413.26:397:50
2513.26:407:50
2613.16:417:49
2713.16:417:49
2813.16:427:49
2913.16:437:49
3013.16:437:49
3113.16:447:48

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 3.5 kWh/m² to a high of 5.54 kWh/m² in December across the year — January's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in January

Hazard calendar for Caçapava

In seasonPeak

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

Caçapava's rainy season runs October–March, 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 Caçapava?

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

4.3
Sightseeing
12th-best month of the year
4.6
Beach & pool
12th-best month of the year

January is a reasonable time to visit Caçapava for sightseeing.

What to pack for Caçapava in January

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

In January, Caçapava sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Caçapava 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 Caçapava peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 24UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Caçapava 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 Caçapava is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2132 µg/m³Nov 2316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr21Moderate
May27Moderate
Jun32Moderate
Jul31Moderate
Aug28Moderate
Sep28Moderate
Oct20Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Caçapava?

Caçapava sits at 23.1°S, 45.7°W, 564 m above sea level, in Brazil. The nearest listed city is Taubaté, 18 km away.

Topography around Caçapava

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

Within 3 km, the terrain around Caçapava has only modest variations in elevation — a maximum elevation change of 112 m around an average of 560 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 608 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,040 m.

The land around Caçapava is covered by artificial surfaces (32%) and grassland (29%) within 3 km, grassland (44%) and trees (37%) within 16 km, and trees (53%) and grassland (36%) within 80 km.

3 km
112 m
16 km
608 m
80 km
2,040 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Taubaté 18 km · São José dos Campos 20 km · Tremembé 23 km · Pindamonhangaba 32 km · Paraibuna 32 km · Jacareí 35 km · Campos do Jordão 42 km · Guararema 48 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 Caçapava (-23.1008°, -45.7069°, elevation 564 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).