Riachão do Dantas in Summer
In summer (December, January and February), Riachão do Dantas sees average daytime highs around 31°C and overnight lows near 23°C, with 126 mm of rain over about 32 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 31°C. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels oppressive.
Summer is Riachão do Dantas's weakest season of the year to visit on our travel score. For the whole year in context, see Riachão do Dantas's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 126 mm
- 32 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.2
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Riachão do Dantas in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Riachão do Dantas reaches about 31°C and drops to 23°C overnight. The warmest of the three months is December, the coolest December.
How summer really feels in Riachão do Dantas
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.
Riachão do Dantas 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 | 31° / 23° | 47 | 11.3 | 12.6 | 4.2 |
| Feb | 31° / 23° | 46 | 12.4 | 12.4 | 4.0 |
| Mar | 31° / 23° | 52 | 14.2 | 12.1 | 4.0 |
| Apr | 30° / 23° | 67 | 15.8 | 11.8 | 4.2 |
| May | 28° / 22° | 83 | 19.7 | 11.5 | 4.7 |
| Jun | 27° / 21° | 83 | 21 | 11.4 | 4.9 |
| Jul | 26° / 20° | 70 | 21 | 11.4 | 5.1 |
| Aug | 26° / 19° | 62 | 19.4 | 11.6 | 5.3 |
| Sep | 28° / 20° | 44 | 14.5 | 11.9 | 5.7 |
| Oct | 29° / 21° | 33 | 9.5 | 12.2 | 5.5 |
| Nov | 31° / 22° | 35 | 8.5 | 12.5 | 4.9 |
| Dec | 31° / 23° | 33 | 8.4 | 12.6 | 4.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Riachão do Dantas gets around 126 mm of rain over 32 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — 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 36 min in early December to 12 h 12 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 6.1 kWh/m².
Is summer a good time to visit Riachão do Dantas?
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 reasonable time to visit Riachão do Dantas for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Riachão do Dantas in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Riachão do Dantas sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 32 days see rain.
Sea temperature near Riachão do Dantas in Summer
The nearest coast averages about 27°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 51 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 |
| Comfort | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 26 | Warm |
| Nov | 26 | Warm |
| Dec | 27 | Warm |
UV index in Riachão do Dantas in Summer
Clear-sky midday UV across summer averages 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 Riachão do Dantas peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 9 (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 | 14 | 13 | 10 | 9 | 9 | 10 | 12 | 13 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Where is Riachão do Dantas?
Riachão do Dantas sits at 11.1°S, 37.7°W, 179 m above sea level, in Brazil. The nearest listed city is Boquim, 14 km away.
Topography around Riachão do Dantas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riachão do Dantas.
Within 3 km, the terrain around Riachão do Dantas has only modest variations in elevation — a maximum elevation change of 86 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 322 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.
The land around Riachão do Dantas is covered by grassland (86%) within 3 km, grassland (78%) within 16 km, and grassland (55%) 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 Riachão do Dantas (-11.0689°, -37.725°, elevation 179 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.