Jacareí weather in February

In February, Jacareí sees average daytime highs of 28°C and overnight lows near 20°C, with 171 mm of rain across 18.5 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 3rd-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 18% of the time in February, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of February to 12 h 30 min by month's end. Set against the rest of the year, February is Jacareí's 8th-clearest and 12th-windiest month. For the whole year in context, see Jacareí's year-round climate.

Daytime high
28°
1st warmest
Overnight low
20°
12th coldest
Rainfall
171 mm
18.5 wet days
Daylight
12 h 48 min
6:54 AM – 7:43 PM
Cloud cover
69%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
5.4 kWh/m²
Travel score
4.3
out of 10

Jacareí is human settlement in Brazil.

Air quality
Good
PM10 24 µg/m³ · 2016

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical February day in Jacareí reaches about 28°C in the afternoon and slips back to 20°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 32°C. Set against its neighbours, February runs on par with January and about 1°C warmer than March.

15°20°25°30°35°151015202528
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819

Jacareí weather by month

How February compares with the rest of the year at a glance. February is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°22622.113.34.4
Feb28° / 20°17118.512.84.3
Mar28° / 19°13918.112.25.2
Apr26° / 17°579.511.56.7
May24° / 15°577.610.97.3
Jun23° / 13°385.110.67.8
Jul23° / 12°445.110.77.8
Aug24° / 13°355.211.27.9
Sep25° / 15°769.911.96.8
Oct26° / 17°10913.612.55.9
Nov27° / 18°14216.613.15.4
Dec28° / 19°17220.113.44.8

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 15% of February, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
12971
23169
33169
43169
53268
63367
73268
83268
93268
103268
113268
123268
133268
143268
153268
163367
173367
183367
193466
203466
213565
223664
233664
243664
253961
263961
273961
283961

Chance of precipitation in February

Any precipitation

Jacareí gets around 171 mm of rain over 18.5 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202528
Rain chance (%)
170
269
369
469
569
669
769
869
969
1069
1168
1268
1368
1467
1567
1666
1766
1866
1965
2065
2164
2264
2363
2463
2562
2662
2762
2862

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the muggy band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202528
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1215767
2215767
3215767
4215758
5216748
6216757
7216757
8215767
9215767
10215767
11215767
12214786
13214786
14114796
15114805
16114805
17113815
18113815
19113815
20113815
21014815
22014815
23014815
24015805
25115795
26116785
27116785
28117766

Wind in February

Winds average 6 km/h in February, the calmest month.

Across February, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 13 h 06 min at the start of February to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over February. Sunrise moves from 6:45 AM to 7:01 AM, and sunset from 7:49 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:457:49
213.06:467:49
313.06:477:49
413.06:477:48
513.06:487:48
613.06:497:47
713.06:497:47
812.96:507:46
912.96:517:46
1012.96:517:45
1112.96:527:45
1212.96:537:44
1312.86:537:44
1412.86:547:43
1512.86:547:43
1612.86:557:42
1712.86:567:41
1812.76:567:41
1912.76:577:40
2012.76:577:39
2112.76:587:39
2212.76:587:38
2312.66:597:37
2412.66:597:36
2512.67:007:36
2612.67:007:35
2712.67:017:34
2812.57:017:33

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.4 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.52 kWh/m² in December across the year — February's 5.4 kWh/m² sits near the top of that range.

0246151015202528
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
Planning a trip in February

Hazard calendar for Jacareí

In seasonPeak

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

Jacareí'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 February a good time to visit Jacareí?

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

4.3
Sightseeing
12th-best month of the year
5.2
Beach & pool
10th-best month of the year

February is a reasonable time to visit Jacareí for sightseeing.

What to pack for Jacareí in February

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

In February, Jacareí sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Jacareí in February

The nearest coast averages about 27°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 64 km away) is warmest in February at about 27°C and coldest in August near 21°C.

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

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Jacareí in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February 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 Jacareí peaks around February 8 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 highExtremeFeb 8UV 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 Jacareí in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Jacareí 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 Jacareí?

Jacareí sits at 23.3°S, 46.0°W, 574 m above sea level, in Brazil. The nearest listed city is Guararema, 14 km away.

Topography around Jacareí

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

Within 3 km, the terrain around Jacareí has only modest variations in elevation — a maximum elevation change of 129 m around an average of 589 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 295 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,071 m.

The land around Jacareí is covered by artificial surfaces (54%), trees (21%) and grassland (20%) within 3 km, grassland (44%) and trees (37%) within 16 km, and trees (52%) and grassland (26%) within 80 km.

3 km
129 m
16 km
295 m
80 km
2,071 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Guararema 14 km · São José dos Campos 16 km · Santa Isabel 26 km · Salesópolis 28 km · Biritiba Mirim 31 km · Paraibuna 32 km · Mogi das Cruzes 33 km · Caçapava 35 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 Jacareí (-23.3053°, -45.9658°, elevation 574 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).