Petrópolis weather and climate in 2024
Day
21 °C
Night
12 °C
Sea
24 °C
Precipitation
82 mm
in month
Rainy days
10 days
in month
Daylight
11 hours
average
Sunshine
6 hours
average
Humidity
86 %
Day
21 °C
Night
12 °C
Sea
24 °C
Precipitation
82 mm
in month
Rainy days
10 days
in month
Daylight
11 hours
average
Sunshine
6 hours
average
Humidity
86 %
Overview: Petrópolis
Weather charts for Petrópolis
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Weather overview for Petrópolis
Weather overview
Petrópolis, known as The Imperial City, experiences a subtropical highland climate. Throughout the year, temperatures remain mild compared to the scorching heat of the Brazilian lowlands with a delightful range from 20 °C (68 °F) to 26 °C (79 °F) for daytime peaks. Precipitation marks its presence significantly, reaching up to 286 mm (11.24 in) in December, while July stands as the driest month with only 50 mm (1.98 in). Wind speeds are gentle, generally under 3 m/s, and humidity lingers around the high 80s making the weather feel a bit cooler than the actual temperature.
January weather
January in Petrópolis greets us with warm days peaking at 26 °C (79 °F) and cool nights averaging 17 °C (62 °F). Frequent rainfall is a signature of this month, notching 19 of wet weather and drenching the city with 276 mm (10.86 in) of precipitation.
February weather
As February arrives, Petrópolis maintains its warm days with an average high of 26 °C (79 °F), while nights are slightly cooler at 17 °C (62 °F). The city sees a slight respite from the rain with only 15 of downpours and overall precipitation measuring 213 mm (8.41 in).
March weather
Petrópolis continues to experience warm temperatures in March with daily highs around 25 °C (77 °F), but prepares for autumn as the nights begin to cool down to approximately 16 °C (61 °F). Humidity is on the rise and so are the precipitation levels, resulting in 16 of rainy conditions.
April weather
The crisp air of April marks a distinct change in Petrópolis as daytime temperatures hover around 23 °C (74 °F) and night times grow cooler at 15 °C (58 °F). A gradual decrease in wet days to 12 reflects the season's maturation, amid a decreasing rainfall volume of 145 mm (5.71 in).
May weather
May in Petrópolis ushers in cooler days with an average high of 21 °C (70 °F) and chilly nights averaging 12 °C (54 °F). The number of rainy days drops to 10, with overall precipitation decreasing to 82 mm (3.24 in), marking the approach of dryer months ahead.
June weather
With the onset of winter, June sees temperatures in Petrópolis dropping to an average daytime high of 21 °C (69 °F) while evenings cool down to 11 °C (52 °F). Decreasing wet days to 7 and reduced rainfall at 57 mm (2.23 in) combine for one of the driest months of the year.
July weather
July brings the driest weather in Petrópolis, with minimal precipitation at just 50 mm (1.98 in) and only 7 likely to see any rain. Expect daytime temperatures to stay mild at around 20 °C (68 °F), dropping to chilly 10 °C (50 °F) at night.
August weather
As August arrives, Petrópolis remains on the cooler side with average high temperatures at 21 °C (70 °F) and the night averages at 11 °C (52 °F). The city records a modest increase in rainy days to 7 with a slight uptick in precipitation at 55 mm (2.18 in).
September weather
September in Petrópolis marks a warmer shift with average peak temperatures of 22 °C (71 °F). The nights remain cool but less so than before, averaging 12 °C (54 °F). Rain begins to make a more regular appearance with an increase to 11 of wetness and a corresponding rise in rainfall to 89 mm (3.49 in).
October weather
Petrópolis welcomes October with further warming, as averages climb to 23 °C (73 °F) during the day and 14 °C (57 °F) at night. The rainy season shows signs of strengthening, as wet days jump to 13 and rainfall reaches 123 mm (4.86 in).
November weather
The anticipated warmth of November continues in Petrópolis with an average daytime high of 23 °C (74 °F), while nights are still moderately cool at 15 °C (59 °F). The trend of increasing rain persists with 16 likely to bring showers, contributing to a cumulative rainy-season precipitation of 171 mm (6.73 in).
December weather
December heralds the return of warmer weather and the height of the rainy season in Petrópolis. Daytime temperatures average 24 °C (76 °F), while night times tend to hover around 16 °C (60 °F). The number of wet days reaches its peak at 20 and astonishing precipitation levels of 286 mm (11.24 in) douse the city.
FAQs
How often does it rain in Petrópolis during January?
January sees a considerable amount of rain, with an average of 19 experiencing rainfall. This makes it one of the damper months of the year.
Is February significantly drier in Petrópolis than January?
February in Petrópolis sees less rainfall compared to January, with fewer rainy days and a lower volume of precipitation, making it a relatively drier month.
How do the temperatures in Petrópolis change from daytime to night in March?
Transitioning from day to night in March, one can experience a noticeable drop in temperature from a warm 25 °C (77 °F) during the day to a cooler 16 °C (61 °F) at night.
Does the weather in Petrópolis become more or less stable in April?
April in Petrópolis tends to bring more stable weather, with less frequent rain compared to March and a steady pattern of cooler temperatures as the season progresses.
What is the trend for rainy days in Petrópolis as May arrives?
May continues to show a declining trend in the number of rainy days, with the city experiencing less frequent showers than in the previous months.
Is June considered a dry month in Petrópolis?
Yes, June is relatively dry in Petrópolis, with a lower number of rainy days and not much rainfall, making it one of the drier months of the year.
What is the average number of rainy days Petrópolis experiences in July?
In July, Petrópolis has an average of just 7 with rain, making it the driest month of the year for the city.
Does August see a significant change in rainfall compared to July in Petrópolis?
August in Petrópolis sees a negligible increase in rainfall compared to July, maintaining its status as one of the dryer months.
What characterizes the start of spring in Petrópolis during September?
Spring in Petrópolis is characterized by the warming of daily temperatures, the retreat of cooler nights, and a rise in both the number of rainy days and the total amount of rainfall.
How does the rainy season progress in Petrópolis during October?
The rainy season presses on in October, with rain becoming more frequent and intense, suggesting a build-up towards the peak wet months.
Are temperatures in Petrópolis significantly higher in November compared to the previous month?
While the daytime temperatures in November are marginally higher than in October, the overall warming trend is gradual and not drastic.
What are the key weather patterns in Petrópolis during December?
December in Petrópolis is marked by a significant uptick in both temperature and rainfall, with high humidity and frequent thunderstorms.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.