Ribeirão Branco in Summer

In summer (December, January and February), Ribeirão Branco sees average daytime highs around 26°C and overnight lows near 18°C, with 690 mm of rain over about 69 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 9% of the time across summer, and the air most often feels muggy.

Summer is Ribeirão Branco's weakest season of the year to visit on our travel score. For the whole year in context, see Ribeirão Branco's year-round climate.

Avg daytime high
26°C
warmest season of the year
Avg overnight low
18°C
Rainfall
690 mm
69 wet days
Avg wind
9 km/h
Travel score
4.4
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Ribeirão Branco in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 26°C.

A typical summer day in Ribeirão Branco reaches about 26°C and drops to 18°C overnight. The warmest of the three months is February, the coolest December.

10°15°20°25°30°35°DecJanFeb

Ribeirão Branco 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
Jan27° / 18°28025.313.34.2
Feb27° / 18°21222.312.84.2
Mar26° / 18°16321.312.24.9
Apr24° / 16°7511.411.56.5
May21° / 13°8310.110.86.5
Jun21° / 12°797.510.56.8
Jul20° / 11°786.610.76.9
Aug22° / 11°566.911.27.2
Sep23° / 13°1181111.86.5
Oct24° / 15°13615.512.65.8
Nov25° / 16°14517.613.25.4
Dec26° / 17°19821.313.54.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Ribeirão Branco gets around 690 mm of rain over 69 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels muggy — 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 9 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 24 min in early December to 12 h 36 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 5.2 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Ribeirão Branco

In seasonPeak

In summer, Ribeirão Branco overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Ribeirão Branco'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 summer a good time to visit Ribeirão Branco?

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.

4.4
Sightseeing
4th-best month of the year
4.4
Beach & pool
3rd-best month of the year

summer is a reasonable time to visit Ribeirão Branco for sightseeing.

What to pack for Ribeirão Branco in Summer

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

In summer, Ribeirão Branco sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 69 days see rain.

rain gearlight clothessun protection

UV index in Ribeirão Branco in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Ribeirão Branco peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Ribeirão Branco?

Ribeirão Branco sits at 24.2°S, 48.8°W, 873 m above sea level, in Brazil. The nearest listed city is Guapiara, 24 km away.

Topography around Ribeirão Branco

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

Within 3 km, the terrain around Ribeirão Branco has only modest variations in elevation — a maximum elevation change of 153 m around an average of 855 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 437 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,316 m.

The land around Ribeirão Branco is covered by trees (52%) and grassland (30%) within 3 km, trees (73%) within 16 km, and trees (71%) within 80 km.

3 km
153 m
16 km
437 m
80 km
1,316 m
treesgrasslandcroplandartificial surfaces
Summer weather nearby: Guapiara 24 km · Itapeva 29 km · Apiaí 33 km · Capão Bonito 49 km · Buri 50 km · Itaberá 55 km · Itararé 59 km · Sengés 72 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 Ribeirão Branco (-24.2208°, -48.7656°, elevation 873 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.