Loop do Aterro – Weather Forecast
São Conrado, Rio de Janeiro, BR
This page shows a route-based weather forecast for the Loop do Aterro cycling climb in São Conrado, Rio de Janeiro, BR. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Loop do Aterro
Plan Your Ride
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
Compare Reversed Route
Same departure time & speed — opposite direction
→ Original Direction
← Reversed Direction
Creates a new saved route in the reversed direction
Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Tue 20 Oct 21:23
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 31°C | 24°C | 31 | 11.4h | 22 | 66 mm | 75 % | 2 | 13h 21m |
| Feb | 33°C | 24°C | 28 | 11.8h | 3 | 5 mm | 73 % | 3 | 12h 50m |
| Mar | 29°C | 23°C | 28 | 10.9h | 21 | 56 mm | 70 % | 4 | 12h 12m |
| Apr | 27°C | 21°C | 25 | 9.3h | 20 | 122 mm | 68 % | 5 | 11h 32m |
| May | 26°C | 20°C | 27 | 9.4h | 10 | 19 mm | 65 % | 6 | 11h |
| Jun | 25°C | 18°C | 28 | 9.4h | 14 | 18 mm | 67 % | 7 | 10h 44m |
| Jul | 23°C | 17°C | 29 | 9.0h | 14 | 48 mm | 66 % | 8 | 10h 52m |
| Aug | 24°C | 17°C | 29 | 9.6h | 16 | 23 mm | 68 % | 7 | 11h 21m |
| Sep | 26°C | 18°C | 26 | 9.7h | 15 | 33 mm | 70 % | 5 | 11h 58m |
| Oct | 26°C | 19°C | 25 | 9.4h | 19 | 83 mm | 72 % | 4 | 12h 38m |
| Nov | 26°C | 20°C | 27 | 10.6h | 17 | 75 mm | 76 % | 2 | 13h 13m |
| Dec | 30°C | 23°C | 27 | 11.3h | 16 | 76 mm | 77 % | 2 | 13h 31m |