January Weather in Parnaiba, Brazil

Last updated: August 21, 2025

In Parnaíba, Brazil, January unveils a tropical paradise with temperatures peaking at a maximum of 35°C (96°F) and an inviting average of 28°C (82°F), while the evenings cool down to a comfortable minimum of 23°C (74°F). Visitors can expect a significant amount of precipitation, totaling 121 mm (4.8 in) over approximately 20 days, contributing to the region's lush landscape. With humidity levels hovering around 87%, January presents a perfect blend of warmth and tropical ambiance, making it an ideal time for those who appreciate a vibrant, humid climate.

January Temperature in Parnaiba

In January, Parnaíba, Brazil, experiences warm tropical temperatures that set the stage for the summer months. With minimum temperatures around 23°C (74°F), the average climbs to a comfortable 28°C (82°F), while the maximum can reach a sizzling 35°C (96°F). This trend of warm weather continues into February, but temperatures begin to slightly dip towards the beginning of March, with averages remaining consistent around 27°C (81°F). As the months progress into April and May, Parnaíba's warmth persists, peaking at 34°C (93°F) in April before transitioning to cooler nights. Interestingly, August introduces a slight uptick in maximum temperatures, reaching 36°C (98°F), while October and November can peak even higher at 37°C (99°F), marking the latter part of the year as the hottest period. Overall, January’s temperature patterns highlight a consistent warmth that characterizes Parnaíba’s vibrant coastal climate.

January Weather in Parnaiba: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Parnaiba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parnaiba, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec828180818182828384848484
Data source: Temperature data for Parnaiba generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Parnaiba

In January, Parnaiba experiences a noticeable wet start to the year, with 121 mm (4.8 in) of precipitation spread across 20 days. This marks the beginning of the rainy season, setting the stage for February, which sees a sharp increase in rainfall to 279 mm (11.0 in) over 25 days. As the months progress, precipitation peaks in March at 308 mm (12.1 in) and remains significant through April, before gradually tapering off in May to 184 mm (7.2 in). The dry spell commences in June with just 39 mm (1.5 in) and dwindles further through the following months, with August and September recording virtually no rain. This pattern highlights a distinct seasonal shift in Parnaiba's climate, where the first half of the year is characterized by substantial rainfall, while the latter months starkly contrast with their dryness.

January Precipitation Trends in Parnaiba

The chart displays monthly precipitation patterns in Parnaiba, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Parnaiba, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12127930829318439313272057
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Parnaiba

In Parnaiba, Brazil, January ushers in a notably high humidity level of 87%, setting the stage for an almost tropical experience. As the months progress, this humidity gradually climbs, peaking in April at 90%. Following this peak, the air begins to shift, with humidity levels dropping significantly during the mid-year months. By July, the atmosphere feels much drier at just 62%, a contrast that continues into August with a comfortable 54%. As the year winds down, humidity levels start to rise again, reaching 74% by December. This pattern highlights a clear trend of increasing humidity in the early months, peaking mid-year, followed by a refreshing dip during the latter half, creating a dynamic climate experience throughout the year.

January Average Humidity in Parnaiba

This chart illustrates the average monthly humidity levels in Parnaiba, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Parnaiba is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%89%91%88%77%63%54%55%58%62%74%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Parnaiba

In January, Parnaiba, Brazil, experiences an extreme UV Index of 14, indicating that unprotected skin can burn in just 10 minutes. This trend of high UV exposure continues seamlessly into February, maintaining the same index level, before peaking in March with a striking 16. As the month progresses, the UV Index slightly dips to 15 in April, followed by a gradual decrease to 12 by June. However, the exposure remains categorized as extreme throughout the year, highlighted by consistent burn times of only 10 minutes. This indicates a crucial need for sun protection, especially in the earlier months, where the UV radiation is most intense. As you plan your visit or outdoor activities in Parnaiba, be sure to check the forecast and safeguard your skin. For more information, visit Parnaiba UV Index.

Maximum UV Index Levels in Parnaiba for January

The chart shows the monthly maximum UV Index (UVI) for Parnaiba in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Parnaiba typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416151312111213131313
Data source: Parnaiba January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Parnaiba

In Parnaiba, Brazil, January begins the year with a bright promise, delivering 255 hours of sunshine that sets the tone for the months to come. As the year progresses, the days grow sunnier, culminating in a remarkable peak in July with 346 hours of golden rays. The sunshine hours continue to flourish through August and September, maintaining a robust count around 349 and 345 hours, respectively. This trend of abundant sunlight sustains its warmth as October reaches a peak of 357 hours, signaling the height of the sunny season. Interestingly, the year gradually transitions back to slightly fewer hours, yet remains generous, with November and December showcasing 341 and 330 hours of sunshine. This consistent shower of sunlight not only enhances the scenic beauty of Parnaiba but also invites visitors year-round to bask in its vibrant climate.

Monthly Sunshine Duration in Parnaiba: January Highlighted

The January sunshine duration represents the total number of hours Parnaiba experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec255h268h307h284h315h328h346h349h345h357h341h330h
Data source: Parnaiba January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Parnaiba During January

In Parnaiba, Brazil, January offers a modest 22% chance of sunny weather, making it one of the less favorable months for sunshine. As we move into February, the likelihood slightly increases to 23%, but it doesn’t take off until later in the year. The true peak comes during the dry season, with July to September boasting impressive sun chances of 63% to 69%. This noticeable upward trend suggests that visitors looking for sun-drenched days may want to plan their trips as summer rolls in, where the skies clear and the chances of basking in golden sunlight significantly improve.

Percentage of Sunny Days in January in Parnaiba

The chart illustrates the percentage of sunny days in Parnaiba throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Parnaiba experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%23%18%35%42%58%63%68%69%62%48%31%
Data source: Parnaiba January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Parnaiba in January

In Parnaiba, Brazil, January boasts a consistent 12 hours of daylight, a trend that holds steady through the following months of February, March, and April, creating a sense of equilibrium as the new year unfolds. As the days progress into May, this duration begins to shrink slightly, tapering to 11 hours and persisting through July. However, August brings a return to the 12-hour norm, which continues through most of the year. Overall, the daylight pattern reflects a warm, inviting climate, with the shifting hours offering a captivating rhythm that aligns perfectly with the vibrant lifestyle of Parnaiba.

Average Daylight Hours in Parnaiba for January

The chart illustrates the variation in daylight duration in Parnaiba throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 15m12h 11m12h 6m12h 1m11h 58m11h 56m11h 57m12h12h 4m12h 9m12h 14m12h 16m
Data source: Parnaiba daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Parnaiba

In January, Parnaiba, Brazil experiences a gentle breeze, with an average wind speed of 4.6 m/s (10 mph), setting a pleasantly calm tone for the month. As the year progresses into February, the winds slightly wane to 4.1 m/s, before dipping further to 3.3 m/s in March. This trend of lighter winds continues through April and May, reaching a minimum of 2.7 m/s—ideal for those seeking a tranquil atmosphere. However, starting in June, the winds begin to pick up again, culminating in September and October, when the average speeds increase to 5.6 m/s (13 mph). This resurgence marks a shift, as the later months warm up with breezy conditions, providing a delightful contrast to the stillness of early spring. By December, the winds maintain a robust presence at 5.4 m/s, ensuring that the year's end is anything but calm. Overall, the wind patterns in Parnaiba reflect a dynamic seasonal rhythm, oscillating between gentle lulls and invigorating gusts.

Average January Wind Speed in Parnaiba

The chart displays monthly wind speed patterns in Parnaiba, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.6 m/s4.13.33.42.73.23.94.55.65.65.05.4
Data source: Parnaiba January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Parnaiba Compares to Other Months

Weather in Parnaiba varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Parnaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of January and February, January offers slightly warmer temperatures with an average of 28°C (82°F) and a maximum reaching 35°C (96°F), while February sees a decrease in average temperature to 27°C (81°F) and a maximum of 34°C (94°F). However, February is notably wetter, experiencing 279 mm (11.0 in) of precipitation over 25 days, compared to January's 121 mm (4.8 in) over 20 days. Humidity levels remain high in both months, with January at 87% and February slightly higher at 88%. For more detailed information on the weather trends, check Parnaiba weather in February.

In January, temperatures in Parnaiba range from a minimum of 23°C (74°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). The month is characterized by high humidity at 87% and substantial rainfall, totaling 121 mm (4.8 in) over 20 days.

In contrast, March sees slightly cooler temperatures, with a minimum of 22°C (73°F) and a maximum reaching 33°C (91°F), averaging 27°C (81°F). However, it is also significantly wetter, receiving 308 mm (12.1 in) of rain over 30 days, and humidity remains high at 89%.

For more detailed insights into March's weather, you can visit Parnaiba weather in March.

January and April showcase distinctly different weather patterns. In January, temperatures range from a minimum of 23°C (74°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). The month sees around 121 mm (4.8 in) of precipitation across 20 days and an impressive humidity level of 87%. In contrast, April experiences a slightly lower average temperature of 27°C (81°F) with similar minimum temperatures, but a maximum of 34°C (93°F). Precipitation significantly increases during April, totaling 293 mm (11.5 in) over 25 days and bringing the humidity up to 90%. To learn more about the weather dynamics in April, you can visit Parnaiba weather in April.

In January, the weather in Parnaíba is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average high reaching 35°C (96°F). The month typically sees about 121 mm (4.8 in) of precipitation over 20 days, while humidity remains consistently high at 87%. In contrast, May experiences slightly cooler averages, with daily highs maxing out at 33°C (92°F) and an average temperature of 27°C (82°F). However, May has more rainfall, totaling 184 mm (7.2 in) across 18 days, while maintaining the same humidity level of 87%. For more details on the weather in May, check Parnaiba weather in May.

January and June in Parnaiba exhibit notable differences in weather patterns despite having similar average temperatures. In January, the temperatures range from a minimum of 23°C (74°F) to a maximum of 35°C (96°F) with an average humidity of 87%. The month is quite wet, receiving 121 mm (4.8 in) of rain over 20 days. In contrast, June maintains the same temperature range but experiences significantly less precipitation, with only 39 mm (1.5 in) falling over just 6 days, and lower humidity at 77%. For more information on the weather in June, you can check Parnaiba weather in June.

In January, the weather is generally warmer and more humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (96°F), averaging around 28°C (82°F). This month is also characterized by significant rainfall, with 121 mm (4.8 in) of precipitation spread over 20 days, contributing to the high humidity of 87%. In contrast, July brings slightly cooler temperatures, with a similar average of 28°C (83°F), but a lower maximum of 35°C (95°F) and a minimum of 22°C (72°F). Precipitation drops dramatically to just 31 mm (1.2 in) on only 3 days, resulting in a much lower humidity level of 62%. For a more detailed look at the conditions in Parnaiba during July, visit Parnaiba weather in July.

In January, the weather in Parnaíba is characterized by warmer temperatures, with averages ranging from a minimum of 23°C (74°F) to a maximum of 35°C (96°F) and a high humidity level of 87%. This month also sees considerable rainfall, with about 121 mm (4.8 in) spread over 20 days, making it one of the wetter times of the year.

In contrast, August offers a drier and more comfortable climate with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 36°C (98°F). Notably, precipitation is minimal, with only 3 mm (0.1 in) occurring throughout the month and no rainy days, resulting in a significantly lower humidity level of 54%. This shift from the rainy January conditions to the dry heat of August is evident when comparing the two months. For more details, you can check out Parnaiba weather in August.

In January, the weather is characterized by high humidity levels at 87%, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (96°F). This month experiences significant rainfall, totaling 121 mm (4.8 in) over approximately 20 days, making it quite wet and sticky. In contrast, September sees a notable shift; while the minimum temperature remains consistent at 23°C (74°F), the average rises to 29°C (84°F) and the maximum reaches 36°C (97°F). Precipitation is remarkably low, with just 2 mm (0.1 in) and no rainy days, leading to a much drier atmosphere with humidity dropping to 55%. For more details, you can check Parnaiba weather in September.

In January, the weather is characterized by high temperatures with a minimum of 23°C (74°F) and an average of 28°C (82°F), reaching a maximum of 35°C (96°F). This month also experiences significant precipitation, totaling 121 mm (4.8 in) over approximately 20 days, resulting in a humid atmosphere with humidity levels around 87%. In contrast, October offers slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 29°C (84°F), and a maximum that can soar up to 37°C (99°F). However, October enjoys a much drier climate, receiving only 7 mm (0.3 in) of rain over a single day, and the humidity drops to a more comfortable 58%. For more details, you can check out Parnaiba weather in October.

In January, temperatures range from a minimum of 23°C (74°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F). The month experiences higher humidity at 87% and receives significant precipitation, averaging 121 mm (4.8 in) over 20 days. In contrast, November sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 37°C (98°F), giving it an average of 29°C (84°F). Notably, November has lower humidity at 62% and significantly less rainfall, totaling just 20 mm (0.8 in) over only 4 days. For more details on the weather specifics, you can visit Parnaiba weather in November.

January and December present somewhat similar tropical weather patterns, though there are notable differences. January experiences slightly lower minimum temperatures, averaging 28°C (82°F), compared to December's 29°C (84°F). The maximum temperatures are comparable, with January reaching up to 35°C (96°F) and December peaking at 36°C (97°F). However, January is marked by significantly higher precipitation, totaling 121 mm (4.8 in) over 20 days, whereas December sees only 57 mm (2.2 in) across 10 days. Additionally, January has a higher humidity level at 87%, contrasted with December's 74%. For a more detailed look at December weather, you can visit Parnaiba weather in December.

Compare Parnaiba's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Parnaiba

January in Parnaíba offers a distinct weather experience compared to other months, characterized by warm temperatures that often peak around 35°C (96°F), creating a tropical ambience perfect for outdoor adventures. With an average of 28°C (82°F), the heat is accompanied by an increased humidity level of 87%, making the air feel even warmer. However, this month also sees significant precipitation, with 121 mm (4.8 in) spread over about 20 days, contributing to the lush landscapes typical of the region. While showers may disrupt some plans, they ultimately enhance the beauty of this vibrant coastal town. For a deeper understanding of the annual weather patterns, visit Parnaiba Climate.