Last updated: August 21, 2025
In January, Santana de Parnaíba experiences a warm climate characterized by a maximum temperature reaching up to 34°C (93°F) and an average of 23°C (74°F), with lows dipping to 15°C (59°F). This month witnesses considerable precipitation, with about 175 mm (6.9 in) falling across 19 days, creating a humid environment with an average humidity level of 88%. Visitors can expect a mix of sunny and rainy days, making it essential to stay prepared for wet weather while enjoying the vibrant atmosphere of this charming Brazilian city.
In January, Santana de Parnaíba basks in warm temperatures that perfectly capture the essence of summer in Brazil, with average highs reaching up to 34°C (93°F). The month starts off mild, with minimum temperatures around 15°C (59°F), providing a comfortable backdrop for both locals and visitors. The warmth continues into February, where slight increases push maximums to 35°C (95°F), but the average temperature dips marginally to 22°C (73°F). As the season transitions into March, the heat slightly moderates, showcasing highs of 33°C (91°F). This trend of gradually cooling temperatures persists through April and into the cooler months, where average highs dip towards the lower 30s°C and minimums touch 11°C (52°F) by late April. Thus, January stands out as a vibrant month filled with warmth, but a clear trend of gradual cooling sets the stage for the approaching winter.
In January, Santana de Parnaíba experiences its wettest month, with a significant precipitation total of 175 mm (6.9 in) spread over 19 rainy days. This downpour signals the peak of the rainy season, as the region transitions into milder precipitation in the following months. Comparatively, February sees a slight decrease in rainfall to 159 mm (6.3 in), maintaining a similar number of rainy days. As winter approaches, the rainfall tapers off drastically, with April and May recording just 54 mm (2.1 in) and 46 mm (1.8 in), respectively, and significantly fewer rainy days. By the time July arrives, Santana de Parnaíba is almost dry, with only 24 mm (0.9 in) of precipitation over a mere 2 days. The pattern continues with moderate rainfall in October and November, but the remarkable contrast between the wet January and the dry winter months showcases the region's pronounced seasonal shifts in precipitation.
In January, Santana de Parnaiba experiences notably high humidity levels, averaging a stifling 88%. This deep moisture persists into February, maintaining the same humidity, but begins to gradually decline as the seasons shift. By the time March arrives, a slight decrease to 87% is evident, hinting at the onset of drier conditions. As the months progress to April and May, humidity continues to drop, reaching 84% and then 79%, respectively. This trend of decreasing humidity becomes more pronounced in the middle of the year, with June and July seeing levels of 77% and 72%. The latter part of the year signifies a stark contrast; by August, humidity drops to 65%, continuing its descent to 50% in October—representing the driest period. However, November and December bring a slight resurgence as the humidity rises back to 75% and 80%. Overall, January stands out as the heart of humidity in Santana de Parnaiba, marking the start of a seasonal ebb that elegantly transitions into the drier months.
In January, Santana de Parnaiba, Brazil, experiences a severe UV Index of 16, categorizing it as extreme and allowing for a rapid burn time of just 10 minutes. This intensity is mirrored in February and March, where the UV Index remains similarly high at 15 and 13, respectively, maintaining those extreme levels. As the months progress, a gradual decline in UV exposure is noted, dropping to 11 in April and then 8 in May, transitioning to a very high category. The trend shifts again as summer approaches, with a high rating in June and July. Despite this respite, the UV Index escalates back to extreme levels by September through December, fluctuating between 11 and 16. It’s essential for residents and visitors alike to stay informed about the UV Index and protect their skin accordingly; for detailed information, refer to the Santana de Parnaiba UV Index.
UV Risk Categories
January in Santana de Parnaíba, Brazil, welcomes visitors with 228 hours of sunshine, setting the stage for a vibrant start to the year. As the months unfold, daylight hours gradually increase, peaking in March with an impressive 307 hours of golden rays. This sunny trend dips slightly in April before stabilizing, with consistent sunshine continuing through the year. Notably, July and September each see a resurgence with 292 hours, suggesting that the midyear months remain delightful for outdoor pursuits. By year’s end, the sunshine reigns once more in December, culminating with 305 hours, ensuring that the festive season is filled with bright moments. Overall, Santana de Parnaíba boasts a warm climate and a generous allocation of sunshine, making it a shining destination year-round.
In Santana de Parnaíba, Brazil, January brings a modest chance of sunny weather, with only a 13% likelihood of clear skies. This marks the beginning of a notable upward trend in sunshine as the year progresses, with February and March seeing significant increases to 39% and 38% respectively. As we move into the latter half of the year, the likelihood of sun peaks dramatically, reaching 58% in July, suggesting a delightful shift towards brighter days. Overall, while January may not be the sunniest month, it sets the stage for a more sun-filled forecast in the months to follow.
In January, Santana de Parnaíba enjoys an impressive 13 hours of daylight, marking it as one of the sunniest months of the year. As the days transition into February and March, the daylight duration slightly declines to 12 hours, signaling the gradual shift towards shorter days as the seasons change. By April, daylight further reduces to 11 hours, maintaining this length through the cooler months of May, June, and July, when the city experiences the least amount of daylight at 10 hours. Interestingly, the trend begins to reverse in August and September, where daylight increases back to 11 hours, before gradually returning to 12 hours in October. The cycle completes with November and December, each basking in another 13 hours of daylight. This rhythmic fluctuation in daylight not only highlights seasonal variations but also contributes to the vibrant life and culture in Santana de Parnaíba throughout the year.
In January, Santana de Parnaíba enjoys a gentle breeze with an average wind speed of 2.5 m/s (6 mph), mirroring the calmness found in February. As the year progresses into March, the winds slightly decrease to 2.1 m/s (5 mph), but a notable shift occurs in April, where gusts pick up to 3.0 m/s (7 mph), heralding the onset of a breezier season. The trend continues upward, peaking in September at 3.4 m/s (8 mph) and maintaining a robust presence into the closing months of the year. By October, winds reach their highest average at 3.7 m/s (8 mph), before tapering off slightly in December to 3.2 m/s (7 mph). This pattern not only marks January as one of the calmer months but also sets the stage for the invigorating winds that characterize the later part of the year.
Weather in Santana de Parnaiba varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Santana de Parnaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather in Santana de Parnaiba sees an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows not dropping below 15°C (59°F). The month experiences a significant amount of rainfall, totaling 175 mm (6.9 in) over 19 days, while humidity remains high at 88%.
In comparison, February presents slightly cooler temperatures with an average of 22°C (73°F) and a maximum of 35°C (95°F), although the minimum remains consistent at 15°C (59°F). Precipitation decreases to 159 mm (6.3 in) over 17 days, while humidity continues to hold steady at 88%.
For more details, check out the Santana de Parnaiba weather in February.
In comparing the weather of January and March, January generally experiences slightly warmer temperatures, with an average of 23°C (74°F) and maximum highs reaching up to 34°C (93°F), compared to March, which has an average temperature of 22°C (73°F) and a maximum of 33°C (91°F). Precipitation is notably higher in January, with 175 mm (6.9 in) over 19 days, while March sees significantly less rain at 129 mm (5.1 in) over 15 days. Additionally, January's humidity is marginally higher at 88% compared to March's 87%. For more detailed insights, you can refer to Santana de Parnaiba weather in March.
In January, the weather is characterized by warmer temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), peaking at 34°C (93°F). This month also experiences significant rainfall, totaling 175 mm (6.9 in) over 19 days, contributing to a high humidity level of 88%. In contrast, April sees a decrease in temperatures, with a minimum of 11°C (52°F), an average of 20°C (69°F), and a maximum of 31°C (88°F). Additionally, precipitation drops to 54 mm (2.1 in) over just 7 days, and humidity slightly lowers to 84%. For more details on April weather, you can visit Santana de Parnaiba weather in April.
In comparing the weather between January and May, it is evident that January is significantly warmer and more humid. The minimum temperature in January is around 15°C (59°F), with an average of 23°C (74°F) and a maximum reaching 34°C (93°F). This month also sees a high level of precipitation, totaling 175 mm (6.9 inches) over 19 days, contributing to a humidity level of 88%. In contrast, May experiences much cooler temperatures, with a minimum of 4°C (39°F), an average of 18°C (65°F), and a maximum of 30°C (86°F). Precipitation is considerably lower in May at 46 mm (1.8 inches) over just 5 days, and humidity is also reduced to 79%. For more specific details on May weather, you can visit Santana de Parnaiba weather in May.
In January, the weather is significantly warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F). This month experiences high humidity at 88% and ample rainfall, with precipitation totaling 175 mm (6.9 in) over 19 days. In contrast, June offers much cooler temperatures, with an average ranging from 8°C (47°F) to 27°C (82°F). Precipitation is also lower, at 46 mm (1.8 in) for just 5 days, and humidity drops to 77%. For more details about June weather in Santana de Parnaiba, visit Santana de Parnaiba weather in June.
January and July present stark contrasts in weather. January experiences warm temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), peaking at a high of 34°C (93°F). It's also quite humid, with an average humidity of 88% and considerable precipitation of 175 mm (6.9 in) spread across 19 days. In contrast, July is much cooler, registering a minimum temperature of 1°C (35°F) and an average of 17°C (62°F), with a maximum of 29°C (84°F). The month sees significantly less rainfall, only 24 mm (0.9 in) over just 2 days, and the humidity drops to 72%. For a closer look at the July weather specifics, check out Santana de Parnaiba weather in July.
In January, the weather in Santana de Parnaiba is characterized by higher temperatures, with minimums of 15°C (59°F) and maximums reaching up to 34°C (93°F), accompanied by high humidity levels at 88%. The month sees significant rainfall, totaling 175 mm (6.9 in) across 19 days. In contrast, August brings much cooler conditions, with minimum temperatures dropping to 6°C (42°F) and average highs of 32°C (89°F). Precipitation decreases sharply to 55 mm (2.2 in) over just 6 days, and humidity falls to 65%, making it a drier and more comfortable month overall. For more details, check out Santana de Parnaiba weather in August.
In January, the weather is quite warm, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), accompanied by high humidity levels reaching 88%. This month also sees significant rainfall, with 175 mm (6.9 in) of precipitation over 19 days. In contrast, September experiences a much cooler climate, with temperatures ranging from a low of 8°C (47°F) to a high of 35°C (95°F), though the average temperature drops to 20°C (69°F). Precipitation in September is considerably lower at 38 mm (1.5 in) over just 6 days, and humidity is also more comfortable at 58%. For more details on September weather, check out Santana de Parnaiba weather in September.
In January, the weather is generally warmer with a minimum temperature of 15°C (59°F) and a maximum reaching up to 34°C (93°F), resulting in an average of 23°C (74°F). This month also experiences high humidity at 88% and considerable precipitation, with 175 mm (6.9 in) falling over 19 days. In contrast, October sees slightly cooler temperatures with a minimum of 12°C (53°F) and a maximum of 37°C (99°F), averaging at 21°C (70°F). The humidity drops significantly to 50%, and precipitation is lower at 115 mm (4.5 in) over just 15 days. For more details on weather patterns, check out Santana de Parnaiba weather in October.
In comparing the weather between January and November, we see some notable differences. January tends to be warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), while November’s average temperatures range from 11°C (52°F) to 35°C (95°F). However, January experiences significantly higher humidity at 88% compared to November's 75%. Additionally, January faces more rainfall, with 175 mm (6.9 in) over 19 days, compared to November's 119 mm (4.7 in) over 14 days. For a detailed look at November's climate, you can explore Santana de Parnaiba weather in November.
In comparison to December, January tends to be slightly warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), as opposed to December's minimum of 12°C (54°F) and the same maximum. Additionally, January experiences more precipitation, totaling 175 mm (6.9 in) over 19 days, compared to December's 149 mm (5.9 in) over 20 days. However, January's humidity is higher at 88%, compared to December's 80%, making it feel more humid overall. For more details, you can check Santana de Parnaiba weather in December.
January in Santana de Parnaíba reveals a dynamic and vibrant climate, considerably warmer and wetter compared to other months. With high humidity levels reaching 88%, the air feels particularly tropical, creating a lively atmosphere. While maximum temperatures soar to 34°C, the frequent rainfall—spanning 19 days and accumulating 175 mm—transforms the landscape into a lush green paradise. This combination of warmth and moisture makes January a unique month, ideal for embracing the rich biodiversity and vibrant culture of the region. For more insights on what to expect throughout the year, explore the Santana de Parnaiba Climate.