São Cristóvão weather in March

In March, São Cristóvão sees average daytime highs of 29°C and overnight lows near 25°C, with 71 mm of rain across 18.1 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 6th-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 48% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of March to 11 h 54 min by month's end. Set against the rest of the year, March is São Cristóvão's 5th-clearest and 10th-windiest month. For the whole year in context, see São Cristóvão's year-round climate.

Daytime high
29°
1st warmest
Overnight low
25°
12th coldest
Rainfall
71 mm
18.1 wet days
Daylight
12 h 06 min
5:36 AM – 5:41 PM
Cloud cover
48%
5th clearest
Wind
14 km/h
10th windiest
Solar energy
6.07 kWh/m²
Travel score
4.7
out of 10

São Cristóvão 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 29°C through the month.

A typical March day in São Cristóvão reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How March really feels in São Cristóvão

Once humidity and wind are folded in, March averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São Cristóvão weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°5615.212.65.2
Feb29° / 25°6316.412.44.8
Mar29° / 25°7118.112.14.7
Apr28° / 25°11220.311.84.6
May27° / 24°15722.911.54.8
Jun26° / 23°1482411.44.7
Jul25° / 22°12523.911.44.9
Aug25° / 22°9822.111.65.2
Sep26° / 22°6417.211.95.8
Oct27° / 23°5213.912.26.2
Nov28° / 24°4111.112.56.3
Dec28° / 24°3310.112.65.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36733
46832
56733
66832
76832
86832
96832
106733
116634
126634
136733
146634
156634
166634
176535
186535
196634
206535
216535
226535
236535
246535
256634
266634
276733
286733
296832
306832
316832

Chance of precipitation in March

Any precipitation

São Cristóvão gets around 71 mm of rain over 18.1 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 59% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
253
353
452
552
652
752
853
953
1053
1154
1255
1355
1456
1557
1658
1759
1860
1961
2062
2163
2264
2364
2465
2565
2665
2765
2865
2965
3065
3164

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11954
21954
31954
41954
51954
61954
71954
81954
91954
101954
111945
121945
132935
142935
152935
162935
172926
182926
192926
202926
211936
221936
231936
241936
251936
261936
271936
281936
291945
301945
312935

Wind in March

Winds average 14 km/h in March.

Across March, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 12 min at the start of March to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over March. Sunrise moves from 5:35 AM to 5:36 AM, and sunset from 5:49 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:355:49
212.25:355:48
312.25:355:48
412.25:365:47
512.25:365:47
612.25:365:46
712.25:365:46
812.25:365:45
912.15:365:45
1012.15:365:44
1112.15:365:44
1212.15:365:43
1312.15:365:43
1412.15:365:42
1512.15:365:41
1612.15:365:41
1712.15:365:40
1812.15:365:40
1912.05:365:39
2012.05:365:38
2112.05:365:38
2212.05:365:37
2312.05:365:36
2412.05:365:36
2512.05:365:35
2612.05:365:35
2712.05:365:34
2812.05:365:33
2911.95:365:33
3011.95:365:32
3111.95:365:31

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.07 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 6.46 kWh/m² in December across the year — March's 6.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in March

Hazard calendar for São Cristóvão

In seasonPeak

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

São Cristóvão's rainy season runs March–August, 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 São Cristóvão?

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

4.7
Sightseeing
10th-best month of the year
5.9
Beach & pool
5th-best month of the year

March is a reasonable time to visit São Cristóvão for sightseeing.

What to pack for São Cristóvão in March

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

In March, São Cristóvão sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near São Cristóvão in March

The nearest coast averages about 28°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 15 km away) is warmest in April at about 28°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in São Cristóvão in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (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 Cristóvão peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jul 10UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is São Cristóvão?

São Cristóvão sits at 11.0°S, 37.2°W, 38 m above sea level, in Brazil. The nearest listed city is Itaporanga d'Ajuda, 12 km away.

Topography around São Cristóvão

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

Within 3 km, the terrain around São Cristóvão has only modest variations in elevation — a maximum elevation change of 89 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 146 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.

The land around São Cristóvão is covered by trees (43%) and grassland (32%) within 3 km, trees (36%) and grassland (33%) within 16 km, and grassland (44%) and water (29%) within 80 km.

3 km
89 m
16 km
146 m
80 km
694 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
March weather nearby: Itaporanga d'Ajuda 12 km · Aracaju 19 km · Nossa Senhora do Socorro 20 km · Barra dos Coqueiros 22 km · Laranjeiras 24 km · Salgado 29 km · Areia Branca 31 km · Maruim 34 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 Cristóvão (-11.0147°, -37.2064°, elevation 38 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).