Guaiúba in Winter
In winter (June, July and August), Guaiúba sees average daytime highs around 31°C and overnight lows near 23°C, with 76 mm of rain over about 18 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 30°C in early June to 32°C by late August. The sky is clear or mostly clear about 59% of the time across winter, and the air most often feels muggy.
Winter is Guaiúba's best season of the year to visit on our travel score. For the whole year in context, see Guaiúba's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 76 mm
- 18 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Guaiúba in Winter
Over the season highs climb from about 30°C in early June to 32°C by late August.
A typical winter day in Guaiúba reaches about 31°C and drops to 23°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Guaiúba
Once humidity and wind are folded in, winter brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Guaiúba 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 | 31° / 24° | 99 | 17.1 | 12.2 | 3.7 |
| Feb | 30° / 24° | 128 | 19.4 | 12.1 | 3.5 |
| Mar | 30° / 23° | 181 | 24.6 | 12 | 3.3 |
| Apr | 30° / 23° | 206 | 24.5 | 11.9 | 3.4 |
| May | 30° / 23° | 100 | 17.6 | 11.8 | 4.2 |
| Jun | 30° / 23° | 46 | 10.8 | 11.8 | 5.1 |
| Jul | 31° / 22° | 24 | 5.8 | 11.8 | 5.4 |
| Aug | 32° / 23° | 5 | 1.4 | 11.9 | 5.2 |
| Sep | 32° / 23° | 3 | 0.6 | 12 | 5.0 |
| Oct | 32° / 24° | 5 | 1.5 | 12.1 | 4.8 |
| Nov | 32° / 24° | 7 | 2.2 | 12.2 | 4.7 |
| Dec | 32° / 24° | 27 | 8 | 12.2 | 4.3 |
Cloud cover in Winter
The sky is clear or mostly clear about 59% of the time across winter.
Chance of precipitation in Winter
Guaiúba gets around 76 mm of rain over 18 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 min in early June to 11 h 54 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 5.5 kWh/m².
Hazard calendar for Guaiúba
None of Guaiúba's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Guaiúba's monsoon runs January–May, when most of the year's rain falls.
Is winter a good time to visit Guaiúba?
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 a reasonable time to visit Guaiúba for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Guaiúba in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Guaiúba sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 18 days see rain.
Sea temperature near Guaiúba in Winter
The nearest coast averages about 27°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in April at about 29°C and coldest in August near 27°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) | 28 | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Warm |
| Jul | 27 | Warm |
| Aug | 27 | Warm |
| Sep | 27 | Warm |
| Oct | 27 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Guaiúba in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Guaiúba peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 | 14 | 16 | 14 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Where is Guaiúba?
Guaiúba sits at 4.0°S, 38.6°W, 75 m above sea level, in Brazil. The nearest listed city is Pacatuba, 6.0 km away.
Topography around Guaiúba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guaiúba.
Within 3 km, the terrain around Guaiúba has large variations in elevation — a maximum elevation change of 607 m around an average of 146 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 755 m; within 80 km, large variations in elevation — a maximum elevation change of 1,081 m.
The land around Guaiúba is covered by trees (47%) and grassland (38%) within 3 km, trees (40%) and grassland (36%) within 16 km, and shrubs (30%), water (25%) and grassland (22%) 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 Guaiúba (-4.0397°, -38.6372°, elevation 75 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.