São Miguel dos Campos in Summer

In summer (December, January and February), São Miguel dos Campos sees average daytime highs around 30°C and overnight lows near 24°C, with 147 mm of rain over about 44 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 40% of the time across summer, and the air most often feels oppressive.

Summer is São Miguel dos Campos's 3rd-best season to visit on our travel score. São Miguel dos Campos has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see São Miguel dos Campos's year-round climate.

Avg daytime high
30°C
warmest season of the year
Avg overnight low
24°C
Rainfall
147 mm
44 wet days
Avg wind
12 km/h
Travel score
4.3
3rd-best season
Months
Dec · Jan · Feb

Temperature in São Miguel dos Campos in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 30°C.

A typical summer day in São Miguel dos Campos reaches about 30°C and drops to 24°C overnight. The warmest of the three months is February, the coolest December.

20°25°30°35°DecJanFeb

How summer really feels in São Miguel dos Campos

Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
90
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

São Miguel dos Campos weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°5615.612.54.3
Feb30° / 24°5816.612.33.9
Mar31° / 24°6918.912.13.9
Apr30° / 24°9919.711.84.0
May28° / 23°12422.311.64.3
Jun27° / 22°13423.711.44.5
Jul27° / 21°13224.511.54.6
Aug27° / 21°8622.311.74.9
Sep28° / 22°5917.511.95.4
Oct29° / 22°4814.612.25.3
Nov30° / 23°3611.212.45.1
Dec30° / 24°331212.64.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

São Miguel dos Campos gets around 147 mm of rain over 44 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 12 km/h across summer.

05101520DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 30 min in early December to 12 h 12 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.3 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for São Miguel dos Campos

In seasonPeak

None of São Miguel dos Campos's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

São Miguel dos Campos'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 summer a good time to visit São Miguel dos Campos?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.3
Sightseeing
3rd-best month of the year
6.1
Beach & pool
2nd-best month of the year

summer is a reasonable time to visit São Miguel dos Campos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Miguel dos Campos in Summer

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

In summer, São Miguel dos Campos sees daytime highs around 30°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 44 days see rain.

light clothesrain gearsun protection

Sea temperature near São Miguel dos Campos in Summer

The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) is warmest in April at about 29°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
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in São Miguel dos Campos in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 São Miguel dos Campos peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeMar 11UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is São Miguel dos Campos?

São Miguel dos Campos sits at 9.8°S, 36.1°W, 13 m above sea level, in Brazil. The nearest listed city is Boca da Mata, 21 km away.

Topography around São Miguel dos Campos

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

Within 3 km, the terrain around São Miguel dos Campos has only modest variations in elevation — a maximum elevation change of 130 m around an average of 62 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 213 m; within 80 km, large variations in elevation — a maximum elevation change of 909 m.

The land around São Miguel dos Campos is covered by grassland (45%) within 3 km, cropland (41%) and grassland (38%) within 16 km, and grassland (45%) and water (27%) within 80 km.

3 km
130 m
16 km
213 m
80 km
909 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Summer weather nearby: Boca da Mata 21 km · Marechal Deodoro 23 km · Pilar 25 km · Campo Alegre 28 km · Atalaia 32 km · Teotônio Vilela 32 km · Satuba 38 km · Coruripe 39 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 Miguel dos Campos (-9.7811°, -36.0936°, elevation 13 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.