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Petrolina Weather and Climate: A Comprehensive Guide

The weather in Petrolina is characterized by a steady average temperature throughout the year. The city tends toward drier weather patterns. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The temperature in Petrolina remains steady throughout the year, providing a consistently very hot climate. Average daytime temperatures reach a very hot 36°C in October. In August, the coolest month of the year, temperatures drop to a very warm 31°C.

At night, you can expect cooler temperatures, with averages dropping to around 20°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Petrolina maintains relatively dry conditions year-round, recording average annual precipitation of 440 mm. Petrolina can be quite wet during March, receiving approximately 90 mm of precipitation over 23 rainy days.

In contrast September, experiences much drier conditions, with 2.9 mm of rainfall, spread across 13 rainy days. For more details, please visit our Petrolina Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Petrolina experiences moderate variation in sunshine hours across the seasons. With 8.8 hours daily sunshine in August, it dips to 6.9 hours in June, offering a balanced mix of sunny and overcast days. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Forecast for Petrolina

Sun   Dec 22
35°C | 25°C
E 4 m/s
0.1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Mon   Dec 23
36°C | 25°C
E 4 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
36°C | 24°C
E 4 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Petrolina in Brazil

Other facts from our historical weather data:
  • Does Petrolina have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the hottest month in Petrolina?
    October has an average maximum temperature of 36°C and is the hottest month of the year.
  • Which is the coolest month in Petrolina?
    The coolest month is August with an average maximum temperature of 31°C.
  • Which is the wettest month in Petrolina?
    March tops the wettest month list with 90 mm of rainfall.
  • Which is the driest month in Petrolina?
    September is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in Petrolina?
    August is the sunniest month with an average of 264 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.