When should you visit each — and when are both ideal?
Best for both · June–Septembercomfortable in both cities
Climate Overview
London (United Kingdom · England) has a temperate climate; Rio de Janeiro shares the same classification. London's warmest month is July (22.7°C avg high); Rio de Janeiro peaks in January (30.9°C avg high).
Monthly Breakdown
United Kingdom · England
| Month | High | Low | Rain | Sun |
|---|
| JAN | 7.8° | 1.9° | 65mm | 4.3h |
| FEB | 8.9° | 2.5° | 53mm | 5.5h |
| MAR | 11° | 3.6° | 52mm | 6.8h |
| APR | 13.9° | 4.9° | 40mm | 9.6h |
| MAY | 17.2° | 8.3° | 58mm | 10.6h |
| JUN | 20.8° | 11.9° | 62mm | 11.2h |
| JUL | 22.7° | 14.1° | 56mm | 11.4h |
| AUG | 21.9° | 13.6° | 63mm | 10.0h |
| SEP | 19.7° | 11.6° | 48mm | 8.4h |
| OCT | 15.6° | 9° | 77mm | 6.2h |
| NOV | 11.1° | 5.3° | 70mm | 4.5h |
| DEC | 9.1° | 3.9° | 65mm | 3.6h |
Brazil · Rio de Janeiro
| Month | High | Low | Rain | Sun |
|---|
| JAN | 30.9° | 24° | 149mm | 10.8h |
| FEB | 30.3° | 23.8° | 148mm | 10.2h |
| MAR | 29.4° | 23.4° | 143mm | 10.5h |
| APR | 27.3° | 21.6° | 98mm | 9.9h |
| MAY | 25.4° | 19.5° | 65mm | 9.2h |
| JUN | 24.9° | 18.6° | 46mm | 8.9h |
| JUL | 24.8° | 17.9° | 46mm | 8.9h |
| AUG | 25.2° | 17.9° | 61mm | 8.8h |
| SEP | 26.6° | 19.4° | 73mm | 9.5h |
| OCT | 27.2° | 20.6° | 82mm | 9.3h |
| NOV | 27.2° | 21.2° | 150mm | 9.6h |
| DEC | 29.2° | 22.7° | 133mm | 10.6h |