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Contents
- The climate of Aracaju
- The best time to visit Aracaju
- The worst time to visit Aracaju
- Spring weather in Aracaju
- Summer weather in Aracaju
- Autumn weather in Aracaju
- Winter weather in Aracaju
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Aracaju
Aracaju, a city located in Brazil, falls within the As Köppen climate classification zone. This classification specifies a tropical wet and dry climate, or a savanna climate with a 'summer' dry season. Applying this to Aracaju, monthly temperature averages fluctuate between a high of 30.8°C (87.4°F) and a low of 22.7°C (72.9°F), illustrating the city's warm temperature range. Sea temperatures also exhibit a fairly constant warmth, peaking at 28.7°C (83.7°F) and dropping to a lowest average of 25.8°C (78.4°F).
Annual rainfall varies significantly; from a high of 96mm (3.78") to a low of 19mm (0.75"). Consequently, average monthly rainy days can reach 24.9 days and declines to a mere 10.6 days. The humidity ranges narrowly, with the highest at 79% and the lowest at 73%, characteristic of the city's tropical climatic conditions. Average wind speeds oscillate between 13.7km/h (8.5mph) and 18.8km/h (11.7mph). The amount of daylight ranges from 11.5 hours to 12.8 hours per day, while the sunshine hours hover between 7.5 hours and 8.4 hours.
Notably, Aracaju experiences the highest rainfall during May, June and July, with 81mm (3.19"), 91mm (3.58") and 96mm (3.78") respectively. These months also register the greatest number of rainy days, leading to increased atmospheric humidity. The most sweltering months are January, February and March, where maximum mean temperatures hover in the vicinity of 30°C (86°F).
Annual rainfall varies significantly; from a high of 96mm (3.78") to a low of 19mm (0.75"). Consequently, average monthly rainy days can reach 24.9 days and declines to a mere 10.6 days. The humidity ranges narrowly, with the highest at 79% and the lowest at 73%, characteristic of the city's tropical climatic conditions. Average wind speeds oscillate between 13.7km/h (8.5mph) and 18.8km/h (11.7mph). The amount of daylight ranges from 11.5 hours to 12.8 hours per day, while the sunshine hours hover between 7.5 hours and 8.4 hours.
Notably, Aracaju experiences the highest rainfall during May, June and July, with 81mm (3.19"), 91mm (3.58") and 96mm (3.78") respectively. These months also register the greatest number of rainy days, leading to increased atmospheric humidity. The most sweltering months are January, February and March, where maximum mean temperatures hover in the vicinity of 30°C (86°F).
The best time to visit Aracaju
Aracaju displays its most favourable meteorological conditions in April when the temperature averages span from 25°C (77°F) to 30.2°C (86.4°F). The city also experiences moderate humidity at 76%, adequate for outdoor activities. The rainfall during this time is comparatively lower at 44mm (1.73"), spread evenly over 15.1 days of the month. Additionally, visitors can enjoy 11.9 hours of daylight and 8.1 hours of sunshine. The UV index is moderate at 7, making it comfortable for most skin types with appropriate protection methods in place.
The worst time to visit Aracaju
The least appealing time to visit Aracaju evolves during July where multiple factors accumulate to produce less favourable conditions. The temperatures drop to mean values from 22.9°C (73.2°F) to 26.5°C (79.7°F), with the sea temperatures at their lowest average of 25.8°C (78.4°F). Consequently, this leads to the highest monthly rainfall of 96mm (3.78") that unfolds over nearly 25 days, raising the humidity to a peak of 79%. Despite the daylight hours remaining consistent at 11.5 hours, available sunshine drops to 7.6 hours.
Spring weather in Aracaju
Aracaju's spring season, marked by September, October and November, presents with temperature averages spanning from 22.7°C (72.9°F) to 29.4°C (84.9°F) and sea temperatures varying between 26°C (78.8°F) and 26.8°C (80.2°F). Rainfall is observed to reduce gradually from 41mm (1.61") to 19mm (0.75"), corresponding to a drop in the number of rainy days. Daylight steadily increases from 12.1 hours to 12.6 hours, with sunshine hours fluctuating between 7.9 hours and 7.8 hours.
Summer weather in Aracaju
The summer period in Aracaju sets in from December to February with temperatures swaying from 24.7°C (76.5°F) to a high of 30.3°C (86.5°F) by February. Correspondingly, sea temperatures escalate from 27.3°C (81.1°F) to 28.3°C (82.9°F) providing warmth suitable for beach activities. During this time, rainfall is moderate, declining from 26mm (1.02") to 20mm (0.79"), with respective rainy days reducing from 10.8 days to 11 days. These months offer ample daylight from 12.8 hours to 12.5 hours coupled with decent sunshine between 8.3 hours and 8.2 hours.
Autumn weather in Aracaju
Between March and May, the city of Aracaju experiences its autumn season. There is a minor temperature drop from 25.8°C (78.4°F) to 24.4°C (75.9°F) and from a high of 30.8°C (87.4°F) to 28.8°C (83.8°F). The sea temperature dips from 28.7°C (83.7°F) to 27.8°C (82°F) during these months. This period also brings about increased rainfall from 41mm (1.61") to 81mm (3.19") and a rise in rainy days from 10.6 days to 19 days. Daylight decreases slightly from 12.2 hours to 11.6 hours and sunshine slightly declines from 8.4 hours to 7.6 hours.
Winter weather in Aracaju
The winter conditions in Aracaju, from June to August, take a downward turn with temperatures averaging between 22.8°C (73°F) and 26.5°C (79.7°F) and sea temperature falling from 26.8°C (80.2°F) to 25.8°C (78.4°F). Exceptionally high rainfall dominates these months, peaking at 96mm (3.78") in July. Similarly, the number of rainy days reaches a maximum of 24.9 days in July. While daylight hours hover around 11.5 hours, sunshine hours remain at a lower 7.6 hours to 7.7 hours in these months.
Weather in January
The year begins in Aracaju with mild temperatures and clear skies. January enjoys a high average temperature of 30°C (86°F), with pleasant lows of 25°C (77°F). Relative humidity levels this month maintain a comfortable 73%. Locals and tourists alike find this month inviting for outdoor activities, as the weather conditions contribute to a fairly pleasing environment. Weather in January »
Weather in February
Heading into February, Aracaju experiences a slight increase in both temperatures and humidity. Despite this, the overall weather pattern remains largely unchanged from the previous month. Weather conditions stay warm and inviting, with a healthy balance of sunshine and rainfall. Weather in February »
Weather in March
March witnesses a definitive change in weather patterns with a spike in rainfall. Distinguishing itself from the previous months, March receives a considerable 41mm (1.61") of rainfall over approximately 10.6 days. Even with these showers, local and visiting population can still expect to experience warmth and an increased sea temperature at 28.7°C (83.7°F). Weather in March »
Weather in April
The month of April greets Aracaju with increasing wetness as rainfall values touch their second-highest for the year at 44mm (1.73"). This rainfall is reasonably spread out over an average of 15.1 days in the month. Despite the higher level of precipitation, temperatures do not see a dramatic shift from March. Weather in April »
Weather in May
May brings Aracaju the year's highest rainfall, with an average of 81mm (3.19") precipitating over a span of 19 days. However, this doesn't mean gloom and damp all throughout the month. The temperatures continue to create a warm climate, with sea temperatures slightly dropping to 27.8°C (82°F). Weather in May »
Weather in June
Aracaju's weather in June transition into the winter season, displaying a noticeable drop in temperatures and a peak in terms of rainfall frequency. The city experiences its rainiest phase with an average number of rainfall days reaching its maximum of 21.2. Weather in June »
Weather in July
Weather patterns in July continue the trend from June, with frequent rainfall and lower temperatures. This is the month with the year's lowest average high temperature, residing at 26.5°C (79.7°F). Despite the seemingly consistent rain, residents and visitors would still find the overall atmospheric condition quite agreeable. Weather in July »
Weather in August
August sees a slight decrease in rainfall, returning to 65mm (2.56"), ending the sequence of months with considerably high rainfall. Yet, this month still maintains the pattern of the previous three months, with warm and humid conditions. Weather in August »
Weather in September
Aracaju begins to usher in the spring season in September. The weather pattern takes a turn as the city experiences a drop in rainfall days to approximately 19.3. Local biodiversity blooms, making it a fantastic time for nature lovers to visit some of the city's famous parks and riverways. Weather in September »
Weather in October
The October climate in Aracaju is delightfully warm and relatively dry. The decrease in rainfall, reaching only 38mm (1.5") on average over 18.5 days, marks the return of longer, sunnier days. Aracaju becomes a hub for cultural events and festivals in this month. Weather in October »
Weather in November
November's weather in Aracaju sustains the warm, dry trend from October. As Aracaju transitions deeper into the spring, rainfall drops further to record its lowest for the year at 19mm (0.75") across an estimated 11.7 days. While the weather retains its warmth, increasing daylight hours ensure more daytime for activities. Weather in November »
Weather in December
The last month of the year, December, welcomes Aracaju's inhabitants, and visitors, to a climate that embodies a tropical holiday spirit. Though the average rainfall ascends to 26mm (1.02") over nearly 10.8 days, it does little to dampen the city's energetic atmosphere. Weather in December »
[Resources]Frequently asked questions
What are the least humid months in Aracaju?
The months with the lowest humidity in Aracaju are January through March and December, with an average relative humidity of 73%.
How much does it rain in Aracaju?
Throughout the year, there are 197.6 rainfall days, and 586mm (23.07") of precipitation is accumulated.
When is the highest UV index in Aracaju?
January through May, September through December, with an average maximum UV index of 7, are months with the highest UV index in Aracaju, Brazil.
What is the hottest time of year in Aracaju?
Aracaju's March weather, marked by an average high temperature of 30.8°C (87.4°F) and an average low temperature of 25.8°C (78.4°F), is the warmest in the year.
When is the sea warmest in Aracaju?
March and April, with an average sea temperature of 28.7°C (83.7°F), are months with the warmest seawater in Aracaju, Brazil.
What month has the most sunshine in Aracaju?
With an average of 8.4h of sunshine, March has the most sunshine of the year in Aracaju.
What is the most humid month in Aracaju?
June and July, with an average relative humidity of 79%, are most humid months in Aracaju.
What is the month with the shortest days in Aracaju?
With an average of 11h and 30min of daylight, June has the shortest days of the year in Aracaju, Brazil.
What are the months with the lowest UV index in Aracaju?
The months with the lowest UV index are June through August, with an average maximum UV index of 6.
What are the coldest months in Aracaju?
July and August are known as Aracaju's coldest months, with an average high-temperature of 26.5°C (79.7°F).
What is the rainiest month in Aracaju?
The month with the most rainfall is July, when the rain falls for 24.9 days and typically aggregates up to 96mm (3.78") of precipitation.
What is the month with the coldest sea water in Aracaju?
The month with the coldest seawater in Aracaju is August, with an average sea temperature of 25.8°C (78.4°F).
What is the month with the least sunshine in Aracaju?
With an average of 7.5h of sunshine, October has the least sunshine of the year in Aracaju.
What is the driest month in Aracaju?
The month with the least rainfall is November, when the rain falls for 11.7 days and typically collects 19mm (0.75") of precipitation.
When are the longest days in Aracaju?
With an average of 12h and 48min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST) in Aracaju?
Aracaju does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Aracaju, Brazil
The warmest month (with the highest average high temperature) is March (30.8°C).
The months with the lowest average high temperature are July and August (26.5°C).
The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is September (22.7°C).
Average pressure
Aracaju, Brazil
- Average pressure in January:
1012.5mbar - Average pressure in February:
1012.1mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1012.6mbar - Average pressure in May:
1014.1mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1017.3mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1016.4mbar - Average pressure in October:
1013.9mbar - Average pressure in November:
1012.2mbar - Average pressure in December:
1012.1mbar
The month with the highest atmospheric pressure is August (1017.4mbar).
The month with the lowest atmospheric pressure is March (1011.9mbar).
Average wind speed
Aracaju, Brazil
- Average wind speed in January:
16.9km/h - Average wind speed in February:
16.2km/h - Average wind speed in March:
15.6km/h - Average wind speed in April:
13.8km/h - Average wind speed in May:
13.7km/h - Average wind speed in June:
15.4km/h
- Average wind speed in July:
17km/h - Average wind speed in August:
16.7km/h - Average wind speed in September:
17.9km/h - Average wind speed in October:
18.1km/h - Average wind speed in November:
18.8km/h - Average wind speed in December:
18.4km/h
The windiest month (with the highest average wind speed) is November (18.8km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).
Average humidity
Aracaju, Brazil
The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are January, February, March and December (73%).
Average rainfall
Aracaju, Brazil
The wettest month (with the highest rainfall) is July (96mm).
The driest month (with the least rainfall) is November (19mm).
Average rainfall days
Aracaju, Brazil
- Average rainfall days in January:
13 days - Average rainfall days in February:
11 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
19 days - Average rainfall days in June:
21.2 days
- Average rainfall days in July:
24.9 days - Average rainfall days in August:
22.5 days - Average rainfall days in September:
19.3 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is July (24.9 days).
The month with the least rainy days is March (10.6 days).
Average sea temperature
Aracaju, Brazil
The best months for swimming (with the highest average sea temperature) are March and April (28.7°C).
The coldest month (with the lowest average sea temperature) is August (25.8°C).
Average daylight / Average sunshine
Aracaju, Brazil
- Average daylight in January:
12h and 4min - Average daylight in February:
12h and 3min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 5min - Average daylight in May:
11h and 4min - Average daylight in June:
11h and 3min
- Average daylight in July:
11h and 4min - Average daylight in August:
11h and 5min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 2min - Average daylight in November:
12h and 4min - Average daylight in December:
12h and 5min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in January:
8h and 2min - Average sunshine in February:
8h and 2min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
7h and 5min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 4min - Average sunshine in September:
7h and 5min - Average sunshine in October:
7h and 3min - Average sunshine in November:
7h and 5min - Average sunshine in December:
8h and 1min
The month with the most sunshine is March (Average sunshine: 8h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days
Aracaju, Brazil
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
19 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
9.1 days - Average sunshine days in June:
6.3 days
- Average sunshine days in July:
3.8 days - Average sunshine days in August:
4.3 days - Average sunshine days in September:
5.1 days - Average sunshine days in October:
6.4 days - Average sunshine days in November:
12.6 days - Average sunshine days in December:
16.1 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is July (3.8 days).
Average UV index
Aracaju, Brazil
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover
Aracaju, Brazil
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 35).
Average visibility
Aracaju, Brazil
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Aracaju, Brazil
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