Last updated: August 21, 2025
December in Parnaíba, Brazil brings a warm and vibrant atmosphere as temperatures frequently peak at 36°C (97°F), averaging a comfortable 29°C (84°F) throughout the month. With nighttime lows dipping to a pleasant 24°C (75°F), the weather invites both day and evening activities. However, the tropical climate also introduces an element of unpredictability, as precipitation totals reach 57 mm (2.2 in) over approximately 10 days, contributing to a humidity level of 74%. This blend of warmth and moisture makes December a unique time to experience the lush landscapes and lively culture of Parnaíba, where vibrant sunsets and occasional rain showers create a dynamic seasonal tapestry.
In December, Parnaíba, Brazil, experiences warm and inviting temperatures, making it an ideal time to soak up the sun. The minimum temperature hovers around 24°C (75°F), while the average settles at a comfortable 29°C (84°F). With a maximum of 36°C (97°F), the warmth continues the trend seen throughout the year, where temperatures gradually rise from the milder conditions of the preceding months. This consistent warmth, combined with ample sunshine, beckons both locals and tourists to enjoy the vibrant outdoor activities that December has to offer. The month typically marks a seamless transition into summer, characterized by vivid blue skies and pleasant evenings, perfect for exploring the natural beauty of this Brazilian gem.
In December, Parnaiba experiences a noticeable uptick in rainfall, with 57 mm (2.2 in) of precipitation spread over 10 days. This increase marks a shift from the drier months of August and September, where rainfall was virtually absent. Following November’s scant 20 mm, December sets the stage for the wet season ahead, featuring a heightened frequency of rainy days. These trends highlight the transition towards the region's lush, verdant landscape, as the increased moisture prepares Parnaiba for the more intense rainy months that follow.
In December, Parnaiba, Brazil, begins to transition from the high humidity typical of the earlier months, settling at a comfortable 74%. This marks a notable decrease from the peak of 90% in April, as the region shifts towards its drier months. Following the humid majority of the year, December's level of humidity is significantly lower than January's 87% but still retains some of that tropical warmth. This gradual decline from the high humidity of the summer months illustrates the seasonal fluctuations, providing a more pleasant atmosphere as the year winds down. As Parnaiba experiences this reduction, the month invites both locals and visitors to enjoy the outdoor beauty of the region in a milder, yet still tropical, climate.
In December, Parnaíba, Brazil, maintains a UV Index of 13, categorized as extreme, which means you should take precautions to protect your skin from intense sun exposure. The trend throughout the year shows consistently high UV levels, peaking at 16 in March. With burn times limited to just 10 minutes across all months, it's clear that the sun is a strong presence in this coastal city. As we transition from November to December, the UV Index remains steady, underscoring the importance of sun safety. For more detailed information, check Parnaiba UV Index.
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December in Parnaíba, Brazil, basks in an impressive 330 hours of sunshine, marking the tail end of a beautifully radiant year. As the southern hemisphere transitions into summer, the sunlight peaks in the subsequent months, evidenced by the steady increase from 255 hours in January to a remarkable 357 hours in October. While December slightly dips from the sunniest months, it maintains a radiant presence that reflects the region’s climate, making it an inviting time for visitors to indulge in the warm glow and vibrant festivities. Overall, the consistent trend of increasing daylight hours from the start of the year allows Parnaíba to emerge as a sunlit paradise for beach lovers and outdoor enthusiasts alike.
In December, Parnaiba, Brazil, experiences a 31% chance of sunny weather, marking a notable dip compared to the sunnier months preceding it. The trend throughout the year reveals an upward trajectory from 22% in January to a peak of 69% in September, reflecting the region's tendency to enjoy its brightest days as it moves from mid-year into spring. However, as December rolls in, the likelihood of sun decreases, foreshadowing the rainy season ahead. This fluctuation highlights the captivating rhythm of Parnaiba's climate, where sunshine gives way to wet weather in the final stretch of the year.
In Parnaíba, Brazil, December marks a return to consistent daylight, with the sun gracing the sky for 12 hours each day. This predictable balance of light begins in January and continues uninterrupted through April, creating a bright, inviting atmosphere perfect for outdoor activities. As the months transition into May through July, daylight dips slightly to 11 hours, hinting at the onset of winter in the Southern Hemisphere. However, by August, the days once again stretch to 12 hours, reverting to the favorable conditions enjoyed during the early months of the year. This rhythmic pattern underscores Parnaíba's tropical climate, promising ample sunshine and warmth, ideal for both locals and visitors alike.
In December, the coastal winds of Parnaiba, Brazil begin to pick up, reaching an average speed of 5.4 m/s (12 mph). This time of year marks a notable shift from the calmer breezes of earlier months, as wind speeds have gradually increased since the low of 2.7 m/s (6 mph) in May. December's winds not only contribute to the lively atmosphere of the region but also reflect an upward trend through the end of the year, with a clear crescendo observed from September onward, where winds consistently hovered between 5.0 m/s (11 mph) and 5.6 m/s (13 mph). As the year closes, these winds invigorate both the landscape and the spirit, inviting adventure and exploration in this vibrant locale.
Weather in Parnaiba varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Parnaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Parnaíba exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F) and relatively lower humidity at 74%. The month experiences about 57 mm (2.2 in) of precipitation over 10 days. In contrast, January sees a slight drop in average temperature to 28°C (82°F), with the minimum at 23°C (74°F) and a maximum of 35°C (96°F). However, January is more humid, with humidity rising to 87% and significant rainfall increasing to 121 mm (4.8 in) spread across 20 days. For more detailed weather specifics, you can check out Parnaiba weather in January.
In December, the weather in Parnaiba is typically warm, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F) and an average of 29°C (84°F). This month sees moderate rainfall, amounting to 57 mm (2.2 in) over about 10 days, with humidity levels at 74%. In contrast, February brings slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 34°C (94°F), averaging 27°C (81°F). However, February is significantly wetter, experiencing 279 mm (11.0 in) of rainfall over 25 days and higher humidity levels at 88%. For more detailed information about February weather, you can visit Parnaiba weather in February.
When comparing the weather in December and March, December tends to be warmer with average temperatures reaching up to 29°C (84°F) and maximums hitting 36°C (97°F), while March has a slightly cooler average of 27°C (81°F) and max temperatures of 33°C (91°F). However, March is significantly wetter, receiving 308 mm (12.1 in) of rainfall over 30 days compared to December's 57 mm (2.2 in) over 10 days. Additionally, humidity levels rise in March to 89%, compared to December's 74%. For more detailed insights, you can check Parnaiba weather in March.
December and April exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F). The month experiences relatively low precipitation of 57 mm (2.2 in) over about 10 days, and humidity levels sit at a comfortable 74%. In contrast, April features a cooler temperature range with a minimum of 23°C (74°F) and a maximum of 34°C (93°F), averaging 27°C (81°F). However, it sees significantly higher precipitation at 293 mm (11.5 in) spread across 25 days, accompanied by increased humidity at 90%. For more detailed insights into the specific climate characteristics of April, you can refer to Parnaiba weather in April.
In December, the weather is generally warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), and an average temperature of 29°C (84°F). The month sees a moderate amount of rainfall, totaling 57 mm (2.2 in) over approximately 10 days, accompanied by a humidity level of 74%.
In contrast, May experiences slightly cooler temperatures, with minimums around 23°C (74°F) and maximums reaching 33°C (92°F), averaging 27°C (82°F). However, it is significantly wetter, with a total precipitation of 184 mm (7.2 in) spread across about 18 days, resulting in higher humidity at 87%. For more information on the specific weather conditions, you can check Parnaiba weather in May.
December and June present slightly different weather patterns in Parnaiba. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), with an average of 29°C (84°F) and higher precipitation levels of 57 mm (2.2 in) over about 10 days. The humidity is relatively high at 74%. In contrast, June's temperatures are a bit cooler, with a minimum of 23°C (73°F), an average of 28°C (82°F), and a maximum of 35°C (95°F). Precipitation is lower, totaling 39 mm (1.5 in) over approximately 6 days, and humidity rises slightly to 77%. For more specifics on the weather in June, check Parnaiba weather in June.
In December, the weather is typically warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F) and an average of 29°C (84°F). This month also experiences higher humidity levels at 74% and sees about 57 mm (2.2 in) of precipitation over approximately 10 days. In contrast, July is slightly cooler, with temperatures varying from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), averaging 28°C (83°F). July has less rain, totaling around 31 mm (1.2 in) over just 3 days, and lower humidity at 62%. For a more detailed look at the weather in July, you can explore Parnaiba weather in July.
In December, the weather in Parnaíba is characterized by warmer temperatures, with a minimum of 24°C (75°F) and an average of 29°C (84°F), peaking at a maximum of 36°C (97°F). This month also experiences higher humidity at 74% and approximately 57 mm (2.2 in) of precipitation over about 10 days. In contrast, August offers slightly cooler temperatures, with a minimum of 22°C (71°F) and an average temperature of 28°C (84°F), reaching similar highs of 36°C (98°F). However, August is far drier, seeing only 3 mm (0.1 in) of precipitation, with no rainy days, and significantly lower humidity at 54%. For more detailed information, you can check out Parnaiba weather in August.
In December, the weather remains warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), similar to September, which shares an average temperature of 29°C (84°F). However, December experiences significantly more rainfall with 57 mm (2.2 in) of precipitation over 10 days, compared to September’s almost negligible 2 mm (0.1 in) and zero rainy days. This increase in rainfall in December also brings higher humidity levels at 74%, whereas September enjoys a more comfortable humidity of 55%. For more detailed information, you can visit Parnaiba weather in September.
In comparing December and October weather, both months experience similar minimum and average temperatures, with December having a slight edge in maximum temperature at 36°C (97°F) compared to October's maximum of 37°C (99°F). However, December is characterized by significantly higher precipitation, receiving 57 mm (2.2 in) over about 10 days, while October sees only 7 mm (0.3 in) over the course of just 1 day. Moreover, humidity levels are noticeably higher in December at 74%, compared to October's 58%. For more detailed insights, you can check Parnaiba weather in October.
In comparing the weather between December and November, both months exhibit similar average temperatures, with December ranging from a minimum of 24°C (75°F) to a maximum of 36°C (97°F), while November has slightly higher maximum temperatures at 37°C (98°F). December experiences more precipitation, totaling 57 mm (2.2 in) over 10 days, compared to just 20 mm (0.8 in) over 4 days in November. Additionally, December's humidity is higher at 74%, compared to November's 62%. This increase in rainfall and humidity in December suggests a shift towards a wetter climate compared to November. For more information, you can visit Parnaiba weather in November.
As December unfolds in Parnaíba, the comforting warmth of summer settles in, marked by higher temperatures and increased humidity compared to the rest of the year. It's a month where days can reach a sweltering peak, creating an inviting atmosphere for beach lovers, while nights remain pleasantly mild. However, December also ushers in a bit of moisture, with sporadic rainfall and overcast days contributing to the lush greenery of the region. This combination of warmth and occasional showers makes December a unique time to experience Parnaíba's vibrant climate. For more detailed insights, explore Parnaiba Climate.