São Francisco de Itabapoana in Summer
In summer (December, January and February), São Francisco de Itabapoana sees average daytime highs around 27°C and overnight lows near 23°C, with 352 mm of rain over about 34 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels oppressive.
Summer is São Francisco de Itabapoana's weakest season of the year to visit on our travel score. São Francisco de Itabapoana has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see São Francisco de Itabapoana's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 352 mm
- 34 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in São Francisco de Itabapoana in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in São Francisco de Itabapoana reaches about 27°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
São Francisco de Itabapoana 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 | 27° / 24° | 110 | 10.8 | 13.2 | 6.2 |
| Feb | 28° / 24° | 71 | 8 | 12.7 | 6.6 |
| Mar | 28° / 24° | 117 | 13.6 | 12.2 | 6.0 |
| Apr | 27° / 23° | 79 | 12.1 | 11.5 | 6.4 |
| May | 25° / 21° | 59 | 10.1 | 11 | 7.0 |
| Jun | 25° / 20° | 32 | 6.8 | 10.7 | 7.8 |
| Jul | 24° / 19° | 35 | 7.6 | 10.8 | 7.8 |
| Aug | 24° / 19° | 33 | 6.8 | 11.3 | 7.9 |
| Sep | 25° / 20° | 56 | 8.8 | 11.9 | 7.3 |
| Oct | 25° / 21° | 85 | 10.5 | 12.5 | 6.7 |
| Nov | 26° / 22° | 163 | 15.4 | 13 | 5.7 |
| Dec | 27° / 23° | 172 | 15.6 | 13.3 | 5.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
São Francisco de Itabapoana gets around 352 mm of rain over 34 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 15 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 12 min in early December to 12 h 30 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 6.3 kWh/m².
Hazard calendar for São Francisco de Itabapoana
In summer, São Francisco de Itabapoana overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
São Francisco de Itabapoana's rainy season runs October–January, when most of the year's rain falls.
Is summer a good time to visit São Francisco de Itabapoana?
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 Francisco de Itabapoana for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São Francisco de Itabapoana in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São Francisco de Itabapoana sees daytime highs around 27°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 34 days see rain.
Sea temperature near São Francisco de Itabapoana in Summer
The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in March at about 25°C and coldest in August near 23°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) | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 24 | Warm |
| Jun | 23 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 24 | Warm |
UV index in São Francisco de Itabapoana 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 Francisco de Itabapoana peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 6 (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 | 14 | 12 | 10 | 7 | 6 | 6 | 8 | 10 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 10 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is São Francisco de Itabapoana?
São Francisco de Itabapoana sits at 21.3°S, 41.0°W, 1 m above sea level, in Brazil. The nearest listed city is Marataizes, 32 km away.
Topography around São Francisco de Itabapoana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Francisco de Itabapoana.
Within 3 km, the terrain around São Francisco de Itabapoana has only modest variations in elevation — a maximum elevation change of 23 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,346 m.
The land around São Francisco de Itabapoana is covered by water (50%) and grassland (25%) within 3 km, water (51%) and grassland (26%) within 16 km, and grassland (47%) and water (31%) 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 Francisco de Itabapoana (-21.3019°, -40.9614°, elevation 1 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.