São João do Rio do Peixe in Summer
In summer (December, January and February), São João do Rio do Peixe sees average daytime highs around 34°C and overnight lows near 24°C, with 215 mm of rain over about 28 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 35°C in early December to 33°C by late February. The sky is clear or mostly clear about 33% of the time across summer, and the air most often feels muggy.
Summer is São João do Rio do Peixe's weakest season of the year to visit on our travel score. For the whole year in context, see São João do Rio do Peixe's year-round climate.
- Avg daytime high
- 34°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 215 mm
- 28 wet days
- Avg wind
- 11 km/h
- Travel score
- 3.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in São João do Rio do Peixe in Summer
Over the season highs ease from about 35°C in early December to 33°C by late February.
A typical summer day in São João do Rio do Peixe reaches about 34°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in São João do Rio do Peixe
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.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
São João do Rio do Peixe 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 34° / 24° | 92 | 11.2 | 12.3 | 3.0 |
| Feb | 33° / 24° | 102 | 12.7 | 12.2 | 3.1 |
| Mar | 32° / 23° | 140 | 16.7 | 12 | 3.3 |
| Apr | 32° / 23° | 93 | 13.2 | 11.9 | 3.7 |
| May | 32° / 23° | 50 | 7 | 11.7 | 4.3 |
| Jun | 32° / 22° | 18 | 3 | 11.6 | 4.9 |
| Jul | 32° / 21° | 7 | 1.6 | 11.6 | 4.8 |
| Aug | 33° / 21° | 4 | 0.5 | 11.8 | 4.2 |
| Sep | 35° / 22° | 1 | 0.2 | 12 | 3.4 |
| Oct | 36° / 23° | 6 | 0.8 | 12.1 | 2.9 |
| Nov | 36° / 24° | 4 | 0.8 | 12.3 | 2.8 |
| Dec | 35° / 24° | 22 | 3.8 | 12.4 | 2.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 33% of the time across summer.
Chance of precipitation in Summer
São João do Rio do Peixe gets around 215 mm of rain over 28 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.3 kWh/m².
Hazard calendar for São João do Rio do Peixe
In summer, São João do Rio do Peixe overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
São João do Rio do Peixe's rainy season runs January–April, when most of the year's rain falls.
Is summer a good time to visit São João do Rio do Peixe?
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.
summer is a weaker month for outdoor sightseeing in São João do Rio do Peixe.
What to pack for São João do Rio do Peixe in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São João do Rio do Peixe sees daytime highs around 34°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 28 days see rain.
UV index in São João do Rio do Peixe in Summer
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 João do Rio do Peixe peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 15 | 15 | 13 | 11 | 10 | 10 | 10 | 13 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in São João do Rio do Peixe in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in São João do Rio do Peixe is worst in November — around 18 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (July, 4 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 9 | 9 | 9 | 7 | 5 | 4 | 5 | 9 | 15 | 18 | 13 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 9 | Good |
| May | 7 | Good |
| Jun | 5 | Good |
| Jul | 4 | Good |
| Aug | 5 | Good |
| Sep | 9 | Good |
| Oct | 15 | Moderate |
| Nov | 18 | Moderate |
| Dec | 13 | Moderate |
Where is São João do Rio do Peixe?
São João do Rio do Peixe sits at 6.7°S, 38.4°W, 247 m above sea level, in Brazil. The nearest listed city is Cajazeiras, 21 km away.
Topography around São João do Rio do Peixe
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São João do Rio do Peixe.
Within 3 km, the terrain around São João do Rio do Peixe has only modest variations in elevation — a maximum elevation change of 48 m around an average of 248 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 750 m.
The land around São João do Rio do Peixe is covered by grassland (36%), cropland (31%) and shrubs (25%) within 3 km, shrubs (44%) and grassland (34%) within 16 km, and shrubs (60%) and grassland (27%) within 80 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
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 João do Rio do Peixe (-6.7292°, -38.4489°, elevation 247 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.