São Joaquim in Summer
In summer (December, January and February), São Joaquim sees average daytime highs around 23°C and overnight lows near 14°C, with 430 mm of rain over about 51 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 21% of the time across summer, and the air most often feels humid.
Summer is São Joaquim's 2nd-best season to visit on our travel score. For the whole year in context, see São Joaquim's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 14°C
- Rainfall
- 430 mm
- 51 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.7
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in São Joaquim in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in São Joaquim reaches about 23°C and drops to 14°C overnight. The warmest of the three months is January, the coolest December.
São Joaquim 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 | 24° / 15° | 159 | 18.8 | 13.6 | 5.5 |
| Feb | 23° / 15° | 136 | 16.5 | 13 | 5.6 |
| Mar | 22° / 14° | 106 | 14.5 | 12.2 | 6.0 |
| Apr | 20° / 11° | 86 | 10.2 | 11.3 | 6.2 |
| May | 16° / 8° | 122 | 10.6 | 10.6 | 5.2 |
| Jun | 15° / 7° | 119 | 10.4 | 10.2 | 4.6 |
| Jul | 15° / 6° | 118 | 10.2 | 10.4 | 4.6 |
| Aug | 17° / 7° | 112 | 9.3 | 11 | 5.7 |
| Sep | 18° / 9° | 143 | 11.8 | 11.8 | 5.6 |
| Oct | 20° / 11° | 159 | 14.6 | 12.7 | 5.5 |
| Nov | 21° / 12° | 129 | 13.6 | 13.4 | 5.9 |
| Dec | 23° / 14° | 136 | 15.5 | 13.8 | 5.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 21% of the time across summer.
Chance of precipitation in Summer
São Joaquim gets around 430 mm of rain over 51 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — 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 13 h 42 min in early December to 12 h 42 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 5.7 kWh/m².
Is summer a good time to visit São Joaquim?
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 São Joaquim for sightseeing.
What to pack for São Joaquim in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São Joaquim sees daytime highs around 23°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 51 days see rain.
UV index in São Joaquim 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 São Joaquim peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).
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) | 15 | 14 | 11 | 9 | 6 | 4 | 5 | 6 | 8 | 10 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in São Joaquim 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 Joaquim is worst in August — around 25 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (March, 5 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) | 6 | 6 | 5 | 6 | 6 | 6 | 12 | 25 | 15 | 8 | 6 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 5 | Good |
| Apr | 6 | Good |
| May | 6 | Good |
| Jun | 6 | Good |
| Jul | 12 | Good |
| Aug | 25 | Moderate |
| Sep | 15 | Moderate |
| Oct | 8 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is São Joaquim?
São Joaquim sits at 28.3°S, 49.9°W, 1,353 m above sea level, in Brazil. The nearest listed city is Orleans, 63 km away.
Topography around São Joaquim
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Joaquim.
Within 3 km, the terrain around São Joaquim has only modest variations in elevation — a maximum elevation change of 249 m around an average of 1,358 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 715 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,810 m.
The land around São Joaquim is covered by grassland (66%) and trees (21%) within 3 km, grassland (57%) and trees (42%) within 16 km, and trees (54%) and grassland (38%) 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 Joaquim (-28.2939°, -49.9317°, elevation 1,353 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.