Guaratinguetá weather in March

In March, Guaratinguetá sees average daytime highs of 27°C and overnight lows near 18°C, with 196 mm of rain across 20.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 20% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Guaratinguetá's 7th-clearest and 11th-windiest month. For the whole year in context, see Guaratinguetá's year-round climate.

Daytime high
27°
4th warmest
Overnight low
18°
9th coldest
Rainfall
196 mm
20.5 wet days
Daylight
12 h 12 min
7:06 AM – 7:15 PM
Cloud cover
68%
7th clearest
Wind
4 km/h
11th windiest
Solar energy
4.92 kWh/m²
Travel score
4.9
out of 10

Guaratinguetá is human settlement in Brazil.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical March day in Guaratinguetá reaches about 27°C in the afternoon and slips back to 18°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 30°C. Set against its neighbours, March runs about 1°C cooler than February and about 1°C warmer than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302717
312617

Guaratinguetá weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°29624.113.24.3
Feb28° / 19°21019.512.84.6
Mar27° / 18°19620.512.24.9
Apr26° / 16°7911.411.56.5
May23° / 14°558.410.97.2
Jun23° / 12°335.810.67.7
Jul23° / 12°355.210.77.8
Aug24° / 12°375.811.27.9
Sep25° / 14°9110.911.96.7
Oct26° / 16°14416.412.55.6
Nov26° / 17°20719.513.15.0
Dec27° / 18°25422.813.44.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
73862
83862
93862
103763
113763
123763
133565
143565
153565
163565
173466
183466
193466
203466
213565
223565
233565
243664
253763
263862
273862
284060
294159
304159
314357

Chance of precipitation in March

Any precipitation

Guaratinguetá gets around 196 mm of rain over 20.5 wet days in March. 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%151015202531
Rain chance (%)
170
270
370
470
570
670
770
869
969
1069
1169
1269
1368
1468
1568
1668
1768
1867
1967
2066
2165
2265
2364
2463
2562
2661
2760
2858
2957
3056
3155

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1024157
2024157
3024256
4024256
5024256
6024256
7024355
8024355
9024355
10024355
11034354
12034354
13034354
14034354
15044353
16044353
17044452
18054451
19054451
20064549
21064549
22074648
23074647
24074746
25084845
26084844
27084942
28095041
29095140
301105039
311105237

Wind in March

Winds average 4 km/h in March.

Across March, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 30 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over March. Sunrise moves from 6:59 AM to 7:11 AM, and sunset from 7:29 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:597:29
212.57:007:28
312.57:007:27
412.47:017:26
512.47:017:25
612.47:017:25
712.47:027:24
812.37:027:23
912.37:037:22
1012.37:037:21
1112.37:047:20
1212.37:047:19
1312.27:047:18
1412.27:057:17
1512.27:057:16
1612.27:067:15
1712.17:067:14
1812.17:067:13
1912.17:077:12
2012.17:077:11
2112.17:077:10
2212.07:087:09
2312.07:087:08
2412.07:087:07
2512.07:097:06
2611.97:097:05
2711.97:107:04
2811.97:107:03
2911.97:107:02
3011.87:117:01
3111.87:117:00

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.92 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 5.61 kWh/m² in February across the year — March's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in March

Hazard calendar for Guaratinguetá

In seasonPeak

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

Guaratinguetá'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 March a good time to visit Guaratinguetá?

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

4.9
Sightseeing
9th-best month of the year
5.0
Beach & pool
8th-best month of the year

March is a reasonable time to visit Guaratinguetá for sightseeing.

What to pack for Guaratinguetá in March

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

In March, Guaratinguetá sees daytime highs around 27°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Guaratinguetá in March

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

The sea at the nearest coast (about 67 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°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Warm
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep22Refreshing
Oct23Refreshing
Nov23Refreshing
Dec25Warm

UV index in Guaratinguetá in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Guaratinguetá 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
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep7Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in Guaratinguetá in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Guaratinguetá is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 209 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Guaratinguetá?

Guaratinguetá sits at 22.8°S, 45.2°W, 545 m above sea level, in Brazil. The nearest listed city is Aparecida, 5.0 km away.

Topography around Guaratinguetá

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

Within 3 km, the terrain around Guaratinguetá has only modest variations in elevation — a maximum elevation change of 200 m around an average of 560 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 828 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,756 m.

The land around Guaratinguetá is covered by grassland (35%), artificial surfaces (31%) and trees (28%) within 3 km, grassland (50%) and trees (33%) within 16 km, and trees (52%) and grassland (38%) within 80 km.

3 km
200 m
16 km
828 m
80 km
2,756 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Aparecida 5.0 km · Potim 7.0 km · Lorena 12 km · Cachoeira Paulista 25 km · Pindamonhangaba 30 km · Cruzeiro 35 km · Cunha 37 km · Tremembé 40 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 Guaratinguetá (-22.8164°, -45.1925°, elevation 545 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).