Serro in Winter
In winter (June, July and August), Serro sees average daytime highs around 23°C and overnight lows near 12°C, with 31 mm of rain over about 8 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 44% of the time across winter, and the air most often feels dry.
Winter is Serro's best season of the year to visit on our travel score. For the whole year in context, see Serro's year-round climate.
- Avg daytime high
- 23°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 31 mm
- 8 wet days
- Avg wind
- 8 km/h
- Travel score
- 8.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Serro in Winter
Across winter, daytime highs hold fairly steady around 23°C.
A typical winter day in Serro reaches about 23°C and drops to 12°C overnight. The warmest of the three months is August, the coolest July.
Serro weather by month
How the three winter months (June, July and August) 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 | 27° / 18° | 224 | 17 | 13 | 5.3 |
| Feb | 27° / 18° | 155 | 13.3 | 12.6 | 5.7 |
| Mar | 26° / 17° | 178 | 16.7 | 12.1 | 5.5 |
| Apr | 25° / 16° | 90 | 12.1 | 11.6 | 6.4 |
| May | 24° / 14° | 34 | 6.8 | 11.1 | 7.4 |
| Jun | 23° / 13° | 11 | 2.7 | 10.9 | 8.0 |
| Jul | 23° / 12° | 8 | 2.2 | 11 | 8.2 |
| Aug | 24° / 12° | 12 | 2.9 | 11.4 | 8.4 |
| Sep | 26° / 14° | 48 | 6.7 | 11.9 | 7.4 |
| Oct | 26° / 16° | 117 | 12.1 | 12.4 | 6.3 |
| Nov | 25° / 17° | 256 | 19.9 | 12.9 | 4.9 |
| Dec | 26° / 18° | 309 | 21.6 | 13.1 | 4.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Serro gets around 31 mm of rain over 8 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 hours in early June to 11 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.3 kWh/m².
Hazard calendar for Serro
None of Serro's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Serro's monsoon runs November–March, when most of the year's rain falls.
Is winter a good time to visit Serro?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Serro for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Serro in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Serro sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and sun protection. About 8 days see rain.
UV index in Serro in Winter
Clear-sky midday UV across winter averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Serro peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (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) | 15 | 15 | 14 | 11 | 8 | 7 | 7 | 9 | 10 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | Very high |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Where is Serro?
Serro sits at 18.6°S, 43.4°W, 821 m above sea level, in Brazil. The nearest listed city is Diamantina, 46 km away.
Topography around Serro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Serro.
Within 3 km, the terrain around Serro has only modest variations in elevation — a maximum elevation change of 229 m around an average of 810 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 926 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,684 m.
The land around Serro is covered by trees (52%) and grassland (43%) within 3 km, trees (55%) and grassland (45%) within 16 km, and trees (50%) and grassland (46%) 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 Serro (-18.6047°, -43.3794°, elevation 821 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.