Jaicós in Summer
In summer (December, January and February), Jaicós sees average daytime highs around 33°C and overnight lows near 24°C, with 299 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 35°C in early December to 32°C by late February. The sky is clear or mostly clear about 20% of the time across summer, and the air most often feels oppressive.
Summer is Jaicós's 3rd-best season to visit on our travel score. For the whole year in context, see Jaicós's year-round climate.
- Avg daytime high
- 33°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 299 mm
- 39 wet days
- Avg wind
- 9 km/h
- Travel score
- 2.9
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Jaicós in Summer
Over the season highs ease from about 35°C in early December to 32°C by late February.
A typical summer day in Jaicós reaches about 33°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Jaicós
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.
Jaicós 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 | 33° / 24° | 124 | 16 | 12.4 | 2.9 |
| Feb | 32° / 23° | 126 | 15.7 | 12.2 | 3.2 |
| Mar | 32° / 23° | 140 | 18.2 | 12 | 3.3 |
| Apr | 32° / 23° | 82 | 11.2 | 11.8 | 3.7 |
| May | 33° / 23° | 30 | 4.7 | 11.7 | 3.9 |
| Jun | 33° / 22° | 4 | 0.9 | 11.6 | 4.5 |
| Jul | 33° / 21° | 3 | 0.6 | 11.6 | 4.5 |
| Aug | 34° / 22° | 1 | 0.1 | 11.8 | 3.9 |
| Sep | 36° / 23° | 1 | 0.1 | 12 | 2.8 |
| Oct | 37° / 25° | 7 | 1.6 | 12.2 | 2.1 |
| Nov | 36° / 26° | 21 | 3.8 | 12.3 | 2.2 |
| Dec | 35° / 25° | 48 | 7.3 | 12.4 | 2.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 20% of the time across summer.
Chance of precipitation in Summer
Jaicós gets around 299 mm of rain over 39 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 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 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 5.6 kWh/m².
Hazard calendar for Jaicós
In summer, Jaicós overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Jaicós's rainy season runs January–April, when most of the year's rain falls.
Is summer a good time to visit Jaicós?
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 Jaicós.
What to pack for Jaicós in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Jaicós sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 39 days see rain.
UV index in Jaicós 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 Jaicós peaks around March 10 at about 15 (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) | 14 | 15 | 15 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | 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 | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Jaicós?
Jaicós sits at 7.4°S, 41.1°W, 290 m above sea level, in Brazil. The nearest listed city is Picos, 48 km away.
Topography around Jaicós
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jaicós.
Within 3 km, the terrain around Jaicós has only modest variations in elevation — a maximum elevation change of 96 m around an average of 302 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.
The land around Jaicós is covered by shrubs (58%) and grassland (27%) within 3 km, shrubs (79%) within 16 km, and shrubs (77%) 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 Jaicós (-7.3592°, -41.1378°, elevation 290 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.