Petrópolis
Elevation 838 m22.51° S, 43.18° W
When to go?
Mean 23 °C, 20 rain days in the month (290 mm).
Against
- Often rainyrain on 6 days in 10
Mean 24 °C, 16 rain days in the month (232 mm).
Against
- Often rainyrain on 6 days in 10
Mean 23 °C, 17 rain days in the month (237 mm).
Against
- Often rainyrain on 5 days in 10
Mean 21 °C, 12 rain days in the month (116 mm).
Nothing against it.
Mean 19 °C, 8 rain days in the month (71 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 18 °C, 6 rain days in the month (45 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 17 °C, 6 rain days in the month (41 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 18 °C, 6 rain days in the month (46 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 20 °C, 9 rain days in the month (79 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 21 °C, 15 rain days in the month (134 mm).
Nothing against it.
Mean 21 °C, 19 rain days in the month (235 mm).
Against
- Often rainyrain on 6 days in 10
Mean 23 °C, 21 rain days in the month (283 mm).
Against
- Often rainyrain on 7 days in 10
The best months are May–September. Avoid November–March (often rainy).
What is the climate like?
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Daylight and sky: sunrise, sunset and cloud cover
daylight under a clear sky (average share)daylight under cloud
daylight under a clear sky (average share)daylight under cloud
Times on the 15th of each month, in local time: daylight saving where and when it applies, standard time in the other months.
Effect of climate change
Today's climate (1996–2025) compared with 1961–1990:
In short
Year by year
Temperature of each year
Against 1961–1990 the mean temperature of today (1996–2025) has changed by +0.3 °C; in the last ten years by +0.4 °C. Warmest year: 1961 (+1.1 °C), coldest: 1968 (−1.2 °C).
October and September warmed the most (+0.7 and +0.6 °C), May the least (−0.1 °C).
Warming stripes: after an idea by Ed Hawkins (University of Reading), showyourstripes.info, CC BY 4.0.
Rain of each year (% against 1961–1990)
more rain than in 1961–1990less rain
Rain in a year: no clear trend, dry and wet years alternate as before.