Rio de Janeiro in Spring
In spring (September, October and November), Rio de Janeiro sees average daytime highs around 26°C and overnight lows near 21°C, with 306 mm of rain over about 38 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 26% of the time across spring, and the air most often feels muggy.
Spring is Rio de Janeiro's 2nd-best season to visit on our travel score. For the whole year in context, see Rio de Janeiro's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 306 mm
- 38 wet days
- Avg wind
- 12 km/h
- Travel score
- 6.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Rio de Janeiro in Spring
Across spring, daytime highs hold fairly steady around 26°C.
A typical spring day in Rio de Janeiro reaches about 26°C and drops to 21°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Rio de Janeiro
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rio de Janeiro weather by month
How the three spring months (September, October and November) 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 | 30° / 24° | 171 | 16.4 | 13.2 | 4.3 |
| Feb | 30° / 24° | 114 | 13.1 | 12.8 | 4.4 |
| Mar | 29° / 24° | 145 | 16.6 | 12.2 | 4.7 |
| Apr | 28° / 22° | 88 | 12 | 11.5 | 6.0 |
| May | 26° / 20° | 76 | 11.3 | 10.9 | 6.7 |
| Jun | 25° / 19° | 48 | 7.3 | 10.6 | 7.5 |
| Jul | 25° / 18° | 51 | 7.8 | 10.7 | 7.5 |
| Aug | 25° / 19° | 41 | 7.5 | 11.2 | 7.5 |
| Sep | 26° / 20° | 75 | 10.4 | 11.9 | 6.8 |
| Oct | 26° / 21° | 92 | 11.5 | 12.5 | 6.2 |
| Nov | 27° / 22° | 139 | 16 | 13.1 | 5.4 |
| Dec | 29° / 23° | 151 | 16.4 | 13.4 | 4.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 26% of the time across spring.
Chance of precipitation in Spring
Rio de Janeiro gets around 306 mm of rain over 38 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 12 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early September to 13 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.1 kWh/m².
Is spring a good time to visit Rio de Janeiro?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Rio de Janeiro for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rio de Janeiro in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Rio de Janeiro sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 38 days see rain.
Sea temperature near Rio de Janeiro in Spring
The nearest coast averages about 22°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in March at about 25°C and coldest in August near 21°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) | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 21 | 21 | 22 | 23 | 24 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 24 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 24 | Warm |
UV index in Rio de Janeiro in Spring
Clear-sky midday UV across spring 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 Rio de Janeiro peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (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) | 14 | 13 | 12 | 9 | 6 | 6 | 5 | 8 | 6 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | Very high | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 5 | Moderate |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Rio de Janeiro in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Rio de Janeiro is worst in June — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (February, 8 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Rio de Janeiro's WHO annual average of 11.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 8 | 9 | 9 | 13 | 17 | 16 | 13 | 14 | 11 | 9 | 9 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 8 | Good |
| Mar | 9 | Good |
| Apr | 9 | Good |
| May | 13 | Moderate |
| Jun | 17 | Moderate |
| Jul | 16 | Moderate |
| Aug | 13 | Moderate |
| Sep | 14 | Moderate |
| Oct | 11 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Rio de Janeiro?
Rio de Janeiro sits at 22.9°S, 43.2°W, 12 m above sea level, in Brazil. The nearest listed city is Santa Teresa, 1.0 km away.
Topography around Rio de Janeiro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rio de Janeiro.
Within 3 km, the terrain around Rio de Janeiro has significant variations in elevation — a maximum elevation change of 259 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 971 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.
The land around Rio de Janeiro is covered by artificial surfaces (45%) and water (42%) within 3 km, water (47%), artificial surfaces (26%) and trees (23%) within 16 km, and trees (37%) and water (35%) 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 Rio de Janeiro (-22.9064°, -43.1822°, elevation 12 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.