Last updated: August 21, 2025
In January, Petrolina, Brazil experiences a warm climate characterized by maximum temperatures soaring up to 38°C (100°F) and an average of 29°C (84°F). With minimum temperatures resting at 21°C (70°F), conditions remain predominantly tropical. This month, the city witnesses modest rainfall, totaling 26 mm (1.0 in) over just 4 days, while humidity levels hover around a high 86%, creating a sultry atmosphere. Visitors and locals alike are advised to stay hydrated and embrace the vibrant energy that this sun-soaked month brings.
In Petrolina, Brazil, January marks the peak of summer with delightful warmth, showcasing a minimum temperature of 21°C (70°F), an average of 29°C (84°F), and sultry highs reaching up to 38°C (100°F). This pattern of warm weather, with nighttime lows consistently around 21°C, sets the stage for a tropical ambiance, ideal for outdoor adventures. While February and March maintain similar temperature ranges, the gradual decline in average temperatures as the year progresses hints at the transition into cooler months. By April, the average dips slightly to 28°C (82°F), and subsequent months introduce lower temperatures, hovering around 25°C (78°F) in June, July, and August. Interestingly, despite lower averages, maximum temperatures remain high, occasionally peaking at 39°C (103°F) in September and November. This consistency underscores Petrolina’s climate as predominantly warm, making it an inviting destination year-round for sun-seekers.
In January, Petrolina experiences a modest precipitation total of 26 mm (1.0 in), with rain falling on just four days. This marks the beginning of a gradual increase in rainfall as the year progresses; contrasting sharply with the much wetter February, which sees 69 mm (2.7 in) over ten days. As March and April follow, precipitation remains relatively high, though it starts to decline significantly by May. The dry season sets in during the warmer months with rainfall plummeting to as low as 4 mm (0.1 in) in August. As the year rounds out, there’s a slight uptick in precipitation again in November and December, indicating a gradual return to wetter conditions. Overall, this pattern highlights a defined wet and dry cycle in Petrolina, characterizing its climate dynamics throughout the year.
In January, Petrolina, Brazil, experiences a notably high humidity level of 86%, setting the tone for a month where the air feels especially heavy and saturated. This humidity gradually increases throughout February and March, peaking at 92% in March, before beginning a steady decline as the year progresses. By April, humidity drops slightly to 90%, continuing to trend downward through the mid-year months, reaching a drier 68% by July. The low point occurs in October, with just 51% humidity, showcasing a significant shift towards a much more arid climate. As December rolls around, humidity experiences a slight rebound to 59%, hinting at the cyclical nature of Petrolina's climate, where the intense humidity of early months gives way to a more comfortable and dry environment as the year closes.
In January, Petrolina, Brazil, experiences an extreme UV Index of 15, meaning that even short exposure of just 10 minutes can result in sunburn. This trend of intensively high UV levels continues into February and March, maintaining a consistent index of 14 and 15, respectively. As the months progress into April and May, the UV Index slightly dips to 14 and 12, yet remains in the extreme category, keeping burn times at a critical 10 minutes. The summer months of June and July see a brief reprieve, with the index dropping to 10 and 11, transitioning to a very high category where exposure time increases to 15 minutes. However, by August and through the rest of the year, the index returns to extreme levels, emphasizing the need for consistent sun safety practices throughout the year. With such fluctuations, staying informed is crucial for sun protection. Learn more about the UV Index trends in this region at Petrolina UV Index.
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In January, Petrolina, Brazil, basks in the warmth of 279 hours of sunshine, setting the stage for a vibrant year ahead. As summer progresses into February, the city enjoys an increase to 295 hours, hinting at the long days to come. This trend continues into March, where sunshine peaks at a delightful 334 hours, showcasing the region's sun-kissed glory. However, the following months, April and May, offer a bit of relief with 308 and 295 hours respectively, allowing for a balance between sunny days and comfortable temperatures. The sunshine hours dip slightly in June to 275, before gradually climbing back up, peaking again in October at an impressive 350 hours. As the year winds down, the city once again enjoys abundant sunlight, with November and December remaining close to 326 and 325 hours, respectively. Overall, the sunshine pattern in Petrolina reveals a rhythm that captivates both residents and visitors alike, making it a truly sunlit destination year-round.
January in Petrolina, Brazil, sees a 34% chance of sunny weather, which is a moderate start to the year. This percentage is closely followed by February at 31%, indicating a slight dip; however, a noticeable trend emerges as the months progress. From March onwards, the likelihood of clear skies begins to climb, peaking in September with an impressive 69% chance of sun. The transition from the start of the year to mid-year showcases a steady increase in sunshine, particularly in the heart of the dry season from June to August, where sunny days become far more common. By the end of the year, though, the chances dwindle, with November and December experiencing only 29% and 17% sunshine, respectively. Thus, those seeking sunny spells are best advised to plan their visit for the latter half of the year, when the weather is reliably bright.
In Petrolina, Brazil, January marks the beginning of a consistent daylight pattern, with the sun gracing the region for 12 hours each day. This abundant light persists through February and March, creating a vibrant atmosphere ideal for outdoor activities. As the year progresses into April, daylight begins to slightly wane, settling at 11 hours from April through August. Interestingly, this trend reverses in September, as daylight once again extends to 12 hours, continuing through the end of the year. Overall, Petrolina experiences a fascinating balance of daylight, with a stable pattern that ebbs and flows, reflecting the region's unique climate and inviting residents and visitors alike to enjoy its sunny disposition.
In January, Petrolina, Brazil, greets the new year with an average wind speed of 4.5 m/s (10 mph), setting a tone of gentle breeziness that complements the warm summer days. As the months progress, winds tend to fluctuate; February sees a drop to 3.3 m/s (7 mph), creating a calmer atmosphere. However, from March through April, wind speeds recover slightly, remaining in the 4 to 4.2 m/s range. The real shift occurs in May, when the winds pick up momentum, culminating in a steady increase reaching 6.1 m/s (14 mph) by August—marking the peak of the season. As autumn approaches, winds begin to taper off, with November and December returning to the quieter patterns of early in the year. Overall, the data reveals a dynamic interplay of breezy beginnings, mid-season surges, and a gentle retreat, making Petrolina's January winds a harbinger of the changing seasons.
Weather in Petrolina varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Petrolina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather in Petrolina features a warm climate with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 38°C (100°F), and an average of 29°C (84°F). The month sees relatively low precipitation at 26 mm (1.0 in) over just 4 days, along with a humidity level of 86%. In contrast, February experiences slightly cooler average temperatures, ranging from 21°C (70°F) to the same maximum of 38°C (100°F), with an average of 28°C (83°F). However, February is marked by more rainfall, totaling 69 mm (2.7 in) over 10 days, and a higher humidity level of 90%. For more details on February weather, check out Petrolina weather in February.
In January, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F), an average of 29°C (84°F), and a maximum reaching up to 38°C (100°F). During this month, there is relatively low precipitation at 26 mm (1.0 in) over just 4 days, and humidity sits at a comfortable 86%. In contrast, March experiences slightly cooler average temperatures of 28°C (83°F), while still having the same maximum and minimum temperatures. However, it sees a notable increase in precipitation to 59 mm (2.3 in) over 9 days, along with a rise in humidity to 92%. For more detailed insights, you can check the Petrolina weather in March.
In January, the weather in Petrolina typically features warm temperatures, with a minimum of 21°C (70°F) and an average high reaching 38°C (100°F). During this month, precipitation is relatively low, totaling 26 mm (1.0 in) over 4 days, and the humidity stands at 86%.
In contrast, April sees a slight decrease in average temperature, with maximums around 37°C (98°F) and a similar minimum of 21°C (70°F). However, this month experiences increased precipitation at 40 mm (1.6 in) spread over 7 days, accompanied by higher humidity levels at 90%. Overall, while both months feature warm temperatures, April is marked by more frequent rainfall and slightly elevated humidity levels. For more specific details on April weather, visit Petrolina weather in April.
In comparing the weather between January and May, both months experience high temperatures, with January averaging 29°C (84°F) and May slightly cooler at 27°C (80°F). Both months share the same maximum temperature of 38°C (100°F), but January sees slightly higher minimum temperatures, with lows of 21°C (70°F) compared to May's 19°C (66°F). Additionally, January receives more precipitation, totaling 26 mm (1.0 in) over 4 days, while May has only 13 mm (0.5 in) across 2 days, making it the drier of the two months. Humidity is also slightly lower in May at 84% compared to 86% in January. For more detailed insights, you can check Petrolina weather in May.
In January, the weather in Petrolina is characterized by higher temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at 38°C (100°F). Despite the heat, the month experiences some precipitation, averaging 26 mm (1.0 in) over about four days, coupled with high humidity levels of 86%. In contrast, June sees a drop in temperatures, where the minimum reaches 18°C (64°F) and the average is 25°C (78°F), with a maximum of 35°C (95°F). The precipitation decreases significantly to just 7 mm (0.3 in) over only one day, and humidity levels are comparatively lower at 76%. For more detailed information, visit Petrolina weather in June.
The weather in January features warmer temperatures with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at a scorching 38°C (100°F). In contrast, July experiences milder conditions, with temperatures ranging from a minimum of 17°C (64°F) to an average of 25°C (76°F) and a maximum of 35°C (96°F). Additionally, January tends to be more humid, with humidity levels at 86% compared to July's 68%. Precipitation is also more frequent in January, averaging 26 mm (1.0 in) over 4 days, while July enjoys a dryer climate with just 6 mm (0.2 in) of rain and no rainy days at all. For a closer look at the specifics of July weather, you can check Petrolina weather in July.
In January, the weather in Petrolina is characterized by warmer temperatures, with a minimum of 21°C (70°F) and an average high reaching up to 38°C (100°F). The month sees a higher humidity level of 86% and some precipitation, averaging 26 mm (1.0 in) over 4 days. In contrast, August brings a noticeable change, with cooler temperatures that range from a minimum of 17°C (63°F) to a maximum of 36°C (97°F). The humidity drops to 62%, and precipitation is minimal, with just 4 mm (0.1 in) and no rainy days. For a closer look at the August climate specifics, check out Petrolina weather in August.
In January, temperatures typically range from a minimum of 21°C (70°F) to a maximum of 38°C (100°F), with an average of 29°C (84°F). The month sees about 26 mm (1.0 in) of precipitation over four days, contributing to a high humidity level of 86%. In contrast, September experiences slightly cooler temperatures, with a minimum of 19°C (66°F) and an average of 27°C (81°F), peaking at 39°C (103°F). Notably, September has significantly less precipitation, only 3 mm (0.1 in) with no rainy days and a much lower humidity of 56%. For more details, you can check Petrolina weather in September.
In January, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at a scorching 38°C (100°F). The month experiences higher humidity at 86%, accompanied by 26 mm (1.0 in) of precipitation over about 4 days. In contrast, October offers similar average temperatures, but the minimum is slightly lower at 20°C (69°F) and the maximum can reach up to 38°C (102°F). October is also notably drier, with only 12 mm (0.5 in) of rain falling over just 2 days, and significantly lower humidity at 51%. For more insights into the climate during this month, check out Petrolina weather in October.
In both January and November, the weather remains quite warm, with average temperatures consistently resting around 29°C (84°F). However, January typically experiences slightly higher maximum temperatures, reaching up to 38°C (100°F), compared to November's peak of 39°C (103°F). Humidity levels also differ notably; January is characterized by high humidity at 86%, making the heat feel more intense, while November sees a much lower humidity of 44%. Additionally, both months receive similar levels of precipitation, about 26 mm (1.0 in) in January and 21 mm (0.8 in) in November, with rain occurring on four days in each month. For a more detailed outlook, refer to Petrolina weather in November.
In comparing the weather between January and December, it's notable that both months share a similar average temperature of 29°C (84°F). However, December experiences slightly higher maximum temperatures, reaching up to 39°C (103°F) compared to January's 38°C (100°F). Precipitation levels are also higher in December, with 41 mm (1.6 in) over five days, whereas January sees 26 mm (1.0 in) across four days. Additionally, January has a significantly higher humidity level at 86%, while December's humidity is lower at 59%. For more details on December's climate, you can visit Petrolina weather in December.
As January unfolds in Petrolina, it brings a unique blend of warmth and humidity, making it distinct from other months. With temperatures that rise notably higher and an increase in humidity at around 86%, the air feels noticeably heavy, creating a tropical ambiance. While precipitation remains relatively low, with only a few days of rain, the overall climate tends to feel more oppressive when compared to the cooler, drier months that follow. This combination of heat and occasional showers paints a vivid picture of Petrolina's summer season. For a deeper understanding of how these conditions affect the region, explore our detailed insights at Petrolina Climate.