Last updated: August 21, 2025
In January, Aracaju, Brazil, experiences a tropical climate characterized by warm temperatures and moderate humidity. Daily highs reach a pleasant 29°C (84°F), with an average temperature of 26°C (80°F), while nighttime lows hover around 24°C (75°F). This month sees approximately 42 mm (1.7 in) of rainfall spread over 15 days, contributing to the region's 81% humidity. Visitors can expect a balmy atmosphere, making it an ideal time to explore the local beaches and vibrant culture, although occasional rain showers may call for a light jacket.
In January, Aracaju, Brazil, welcomes the New Year with pleasantly warm temperatures, boasting a minimum of 24°C (75°F) and reaching a comfortable average of 26°C (80°F). The mercury can climb up to a maximum of 29°C (84°F), perfect for beachgoers seeking sun. As the month progresses into February, temperatures barely shift, maintaining the 24°C minimum but nudging the average slightly up to 27°C (81°F). This trend continues into March and April, where a gradual rise in maximum temperatures reaches 30°C (87°F) and 30°C (86°F), respectively. However, from May to July, the cooling effect of milder minimums and averages becomes apparent, with lows dipping to 22°C (72°F) and averages settling around 24°C (76°F). As the year wanes, temperatures oscillate gently but consistently, ensuring Aracaju remains enticingly warm throughout, culminating in a cozy 24°C (75°F) minimum in December. This emphasis on stability in warmth across the months reflects the city's tropical charm, ideal for year-round travelers.
In January, Aracaju experiences an average precipitation of 42 mm (1.7 in) over approximately 15 days, marking the start of a gradual increase in rainfall as the year progresses. As February approaches, precipitation rises slightly to 53 mm (2.1 in) with 16 rainy days, setting the stage for a wetter season ahead. The trend intensifies from March to May, where rainfall peaks at 173 mm (6.8 in) in May, coinciding with the highest number of rainy days—24. Following May, the pattern persists into mid-year with significant rainfall throughout June and July, before dipping in August to 88 mm (3.5 in) over 23 days. By the end of the year, precipitation tapers off again, with December receiving just 41 mm (1.6 in) over 13 days, highlighting a distinct ebb and flow in Aracaju's climate as it transitions between wetter and drier periods.
In January, Aracaju experiences a comfortingly high humidity level of 81%, setting the stage for the sultry summer months that follow. As the year progresses, humidity gradually climbs, peaking at 86% in both April and May. What’s fascinating is how the latter half of the year sees a subtle decline, with humidity levels tapering off to 77% by October and reaching a low of 76% in both November and December. This trend highlights the city’s lush, tropical climate, which remains consistently humid, contributing to its vibrant ecosystems and making it a summer haven for those who enjoy warm and moist air.
In January, Aracaju experiences an intense UV Index of 14, categorizing the sunlight as extreme. This level of exposure demands caution, with a quick burn time of just 10 minutes for unprotected skin. The trend continues throughout the subsequent months, with February and March maintaining the same high UV levels. While April sees a slight dip to 13, the extreme category remains present, ensuring that residents and visitors should stay vigilant against UV exposure. The UV Index gradually decreases as the year progresses, dropping to 11 in May and 10 during June and July, but still ranks as very high. The cycle returns to extreme levels in August and then fluctuates between 12 and 14 through the end of the year. With such consistent and potent UV exposure, it’s crucial to stay informed and protected—check out the detailed data at Aracaju UV Index.
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In Aracaju, Brazil, January welcomes the year with 285 hours of brilliant sunshine, providing a warm start to the season. As the months progress, the sun becomes increasingly generous, peaking in October with a dazzling 355 hours, creating an inviting atmosphere for beachgoers and outdoor enthusiasts. February and March also bask in ample sunlight, showcasing 322 and 341 hours respectively, while April and May maintain a comfortable warmth with around 321 and 310 hours. Even in the cooler months, June through August stay vibrant with 294 to 329 hours of sunshine, before seamlessly transitioning back to a sunny September. The consistent high levels of sunlight throughout the year highlight Aracaju's enchanting tropical climate, making it a year-round destination for those seeking sun-soaked adventures.
In Aracaju, Brazil, January typically experiences a 35% chance of sunny weather, marking it as one of the cloudier months of the year. As the season progresses into February, this likelihood increases to 43%, suggesting a promising shift towards brighter days. However, as we move into the following months, the sun begins to shine more frequently, with chances climbing to an impressive 62% by March. This upward trend continues through the heart of the year, with April and May witnessing moderate sunny days at 38% and 41%, respectively. By mid-year, from June to August, sunshine becomes more prevalent, peaking at 53% in August. As the year wraps up, the likelihood of clear skies dips again in the fall months, confirming January's reputation as a relatively overcast start to the year.
In Aracaju, Brazil, January ushers in the year with a consistent 12 hours of daylight, a trend that remains steady through February and March. As the seasons transition into April, daylight begins to taper slightly, dropping to 11 hours. This pattern of shorter days continues through the colder months of May to August, where daylight lingers at 11 hours. However, as spring approaches in September, daylight increases again, returning to 12 hours and remaining consistent through the end of the year. This cyclical rhythm of daylight in Aracaju showcases a vibrant interplay of seasons, providing ample opportunities for sun-soaked adventures year-round.
In January, Aracaju, Brazil, experiences a gentle average wind speed of 5.3 m/s (12 mph), setting a pleasant tone for the month. As the year progresses into February, the winds pick up slightly to 5.8 m/s (13 mph), offering a refreshing breeze as summer settles in. The trend continues with March registering a slight dip back to 5.2 m/s (12 mph), followed by a notable decrease in April with winds falling to 4.3 m/s (10 mph). The speeds stabilize during May and June at 4.8 m/s (11 mph), indicating a period of calmer conditions. July marks a modest rebound to 5.0 m/s (11 mph) before the winds regain momentum in the late winter months, reaching 5.7 m/s (13 mph) in both August and October. November sustains this brisk atmosphere, with average winds at 5.8 m/s (13 mph), only to settle slightly towards the end of the year at 5.6 m/s (13 mph) in December. Overall, the trends reveal a dynamic fluctuation of winds, providing a mix of breezy days that enhance the coastal charm of Aracaju throughout the year.
Weather in Aracaju varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Aracaju, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, both months experience similar temperature ranges, with January showcasing a minimum of 24°C (75°F) and an average of 26°C (80°F), while February sees a slight increase in the average temperature to 27°C (81°F). Precipitation is more pronounced in February, with 53 mm (2.1 in) falling over 16 days, compared to January's 42 mm (1.7 in) over 15 days. Humidity levels remain relatively steady, rising slightly from 81% in January to 82% in February. For a detailed look at the weather specifics, check out Aracaju weather in February.
In January, the weather in Aracaju is generally warm, with temperatures ranging from a comfortable minimum of 24°C (75°F) to a pleasant maximum of 29°C (84°F). The month sees an average humidity of 81% and experiences approximately 42 mm (1.7 in) of precipitation over about 15 days.
In contrast, March brings slightly warmer temperatures, with averages reaching 27°C (81°F) and maximums hitting 30°C (87°F). However, this month also comes with increased rainfall, totaling 109 mm (4.3 in) over around 20 days, and a slightly higher humidity of 84%. To explore more about the weather conditions in March, you can check out Aracaju weather in March.
In comparing the weather between January and April, we see notable differences. While January features a minimum temperature of 24°C (75°F) and an average of 26°C (80°F), April shows a slight increase, with temperatures ranging from 24°C (76°F) to a maximum of 30°C (86°F) and an average of 27°C (80°F). However, April is significantly wetter, experiencing 133 mm (5.3 in) of precipitation over 22 days, compared to January's 42 mm (1.7 in) over just 15 days. This increase in rainfall is accompanied by higher humidity levels in April, averaging at 86%, compared to January's 81%. For a more detailed look at what to expect, check out Aracaju weather in April.
In January, the weather in Aracaju is warm and relatively dry, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) and an average of 26°C (80°F). The month sees about 42 mm (1.7 in) of precipitation over approximately 15 days, combined with humidity levels around 81%. In contrast, May presents a shift towards wetter conditions with significantly increased rainfall, totaling 173 mm (6.8 in) spread over roughly 24 days, and temperatures that vary from 23°C (74°F) to 30°C (86°F) (average 26°C or 79°F). The humidity also rises to 86%, making May noticeably more humid than January. For a detailed look at what to expect, check out Aracaju weather in May.
In January, Aracaju experiences generally warm weather with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F), averaging around 26°C (80°F). The month sees moderate precipitation, totaling 42 mm (1.7 in) over 15 days, and humidity levels hover around 81%.
In contrast, June brings slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 28°C (82°F), averaging 25°C (78°F). However, this month is much wetter, with precipitation reaching 153 mm (6.0 in) over 25 days and humidity increasing slightly to 83%. For more details, you can check Aracaju weather in June.
In January, Aracaju experiences warm temperatures with a minimum of 24°C (75°F) and an average of 26°C (80°F), peaking at 29°C (84°F). The month sees about 42 mm (1.7 in) of precipitation over 15 days, while humidity remains consistently high at 81%. In contrast, July brings slightly cooler temperatures, with a minimum of 22°C (72°F) and an average of 24°C (76°F), reaching a maximum of 27°C (81°F). However, this month is significantly wetter, with 172 mm (6.8 in) of precipitation spread over 27 days, maintaining the same humidity level of 81%. For a more detailed look at what to expect weather-wise, check out Aracaju weather in July.
In January, the weather is generally warm, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F) and an average of 26°C (80°F). The month experiences about 42 mm (1.7 in) of precipitation, occurring over 15 days, alongside a humidity level of 81%.
In contrast, August sees slightly cooler temperatures, with a minimum of 22°C (72°F), an average of 24°C (76°F), and a maximum of 27°C (80°F). However, this month is characterized by higher precipitation at 88 mm (3.5 in) spread over 23 days, while maintaining a similarly high humidity of 80%.
For more detailed information about the weather in August, visit Aracaju weather in August.
In January, the weather in Aracaju features slightly warmer temperatures, with average highs reaching up to 29°C (84°F) and humidity levels at 81%. It experiences moderate rainfall, totaling about 42 mm (1.7 in) over 15 days. In contrast, September sees a slight decrease in temperature, with averages around 25°C (77°F) and maximums of 28°C (82°F). However, September is wetter, accumulating 75 mm (2.9 in) of precipitation within 22 days and slightly lower humidity at 79%. For more detailed information, you can check Aracaju weather in September.
In January, the weather is characterized by slightly higher temperatures, with minimums of 24°C (75°F) and maximums reaching up to 29°C (84°F), creating a warm average of 26°C (80°F). Precipitation occurs on about 15 days, totaling 42 mm (1.7 in), accompanied by high humidity levels of 81%. In contrast, October experiences a marginally cooler climate, with minimum temperatures of 23°C (73°F) and maximums around 28°C (83°F), resulting in an average of 25°C (78°F). The rain is similar, with 44 mm (1.7 in) of precipitation over 16 days, but the humidity is slightly lower at 77%. For more details, you can check Aracaju weather in October.
In January, the weather in Aracaju features slightly warmer temperatures, with an average of 26°C (80°F) and maximum highs reaching 29°C (84°F). The humidity remains high at 81%, and the region experiences 42 mm (1.7 in) of precipitation over 15 days. In contrast, November offers similar average temperatures at around 26°C (79°F), but with slightly cooler maximums of 28°C (83°F) and a lower humidity level of 76%. Precipitation in November is comparable, also standing at 43 mm (1.7 in) over 15 days. For more details, check out Aracaju weather in November.
January and December in Aracaju offer similar warm temperatures, with January averaging slightly higher at 26°C (80°F) compared to December’s average of 26°C (79°F). Both months experience minimum temperatures around 24°C (75°F) and maximum temperatures peaking at 29°C (84°F) in January and 28°C (84°F) in December. The precipitation levels are fairly close as well, with January receiving 42 mm (1.7 in) over 15 days and December slightly less at 41 mm (1.6 in) across 13 days. However, January's humidity is a bit higher at 81% compared to December’s 76%, suggesting that January may feel a bit more humid and can affect overall comfort. For a detailed look at December weather in Aracaju, visit Aracaju weather in December.
As January unfolds in Aracaju, visitors can expect a warm and humid atmosphere, setting the stage for truly tropical experiences. With average temperatures hovering around 26°C, the weather is pleasantly inviting, though it also brings increased rainfall with nearly half the month seeing precipitation. Compared to other months, January stands out for its higher humidity levels, creating a lush environment perfect for exploring the beautiful coastlines and vibrant culture. For a deeper understanding of how January fits into the broader climate spectrum of Aracaju, check out Aracaju Climate.