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Contents
- The climate of Macapá
- The best time to visit Macapá
- The worst time to visit Macapá
- Spring weather in Macapá
- Summer weather in Macapá
- Autumn weather in Macapá
- Winter weather in Macapá
- 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
Climate and monthly weather forecast
The climate of Macapá
Macapá, located in tropical Brazil, possesses a climate classified under the Köppen-Geiger system as Am—Tropical Monsoon. This climate category signifies high temperatures year-round with substantial rainfall. Temperatures in Macapá maintain a relatively stable range throughout the year, fluctuating from a low average of 24.2°C (75.6°F) in February and March to a high of 25.6°C (78.1°F) in November. A similar pattern emerges for average high temperatures, spanning between 28.8°C (83.8°F) in March and April to 32.5°C (90.5°F) in October and November.
When observing the annual rainfall in Macapá, the trend reveals a significant concentration of rain in the first five months of the year, where monthly averages exceed 294mm (11.57"). The peak occurs in between March and May, where rainfall averages climb from 375mm (14.76") to 330mm (12.99"). Thereafter, precipitation sharply declines and reaches a yearly low in between August and October with an average of 39mm (1.54") to 41mm (1.61").
Humidity remains generally high throughout the year, given Macapá's location near the equator. Average monthly relative humidity ranges from 72% in between October to November, to a high of 86% in between March and April.
When observing the annual rainfall in Macapá, the trend reveals a significant concentration of rain in the first five months of the year, where monthly averages exceed 294mm (11.57"). The peak occurs in between March and May, where rainfall averages climb from 375mm (14.76") to 330mm (12.99"). Thereafter, precipitation sharply declines and reaches a yearly low in between August and October with an average of 39mm (1.54") to 41mm (1.61").
Humidity remains generally high throughout the year, given Macapá's location near the equator. Average monthly relative humidity ranges from 72% in between October to November, to a high of 86% in between March and April.
The best time to visit Macapá
For visitors looking to experience Macapá in relatively drier conditions, the best time to plan a trip would be from August to October. During these months, rainfall averages a comfortable 39mm (1.54") to 41mm (1.61") monthly, accompanied by warm temperatures ranging between 31.4°C (88.5°F) to 32.5°C (90.5°F) and sea temperatures from 27.9°C (82.2°F) to 28.3°C (82.9°F). Additionally, the UV index during this period stands at an average of 7, indicating high solar radiation levels ideal for outdoor activities.
The worst time to visit Macapá
The period from February to May presents adverse conditions for tourism in Macapá, where high rainfall, peaking between 328mm (12.91") to 375mm (14.76"), combined with high average temperatures, reaching from 28.8°C (83.8°F) to 29.2°C (84.6°F), result in high relative humidity, averaging from 84% to 86%. This weather pattern can impede outdoor activities and result in uncomfortable conditions for visitors.
Spring weather in Macapá
There is no traditional spring season in Macapá due to its tropical monsoon climate. However, distinguishing the period from March to May, significant rainfall, highest humidity levels, and maximum sea temperatures contribute to an environment resembling typical spring weather patterns. During this timeframe, average rainfall ranges from 358mm (14.09") to 330mm (12.99"), accompanied by an average temperature from 28.8°C (83.8°F) to 29.2°C (84.6°F) and a sea temperature of 27.7°C (81.9°F) to 27.9°C (82.2°F).
Summer weather in Macapá
The climatic conditions from June to August typify the tropical summer in Macapá, coupled with diminishing rainfall and relative humidity, along with consistent sea and air temperatures. Rainfall averages decline to 231mm (9.09") to 88mm (3.46") while temperature averages range from 29.8°C (85.6°F) to 31.4°C (88.5°F).
Autumn weather in Macapá
Typical autumn weather conditions are not experienced in Macapá due to its tropical climate. Still, the declining rainfall from September to November accompanied by high temperatures establishes a weather pattern somewhat similar to autumn. During this period, rainfall levels drop to 39mm (1.54") to 55mm (2.17") while temperatures rise from 31.9°C (89.4°F) to 32.5°C (90.5°F).
Winter weather in Macapá
Unlike temperate regions, Macapá does not experience a traditional winter season. The months from December to February can be considered a local winter, demonstrating the highest rainfall and relative humidity values but with warm temperatures. During these months, rainfall reaches from 225mm (8.86") to 294mm (11.57"), temperatures range between 29.6°C (85.3°F) to 28.8°C (83.8°F), and relative humidity stands at an average of 82% to 84%.
Weather in January
On an average, one can expect moderate temperature, high humidity, and ample rainfall in Macapá during January. Sight visibility is usually up to 9 km. The area experiences the highest rate of rainfall experienced all year, registering a significant total rainfall of 294mm (11.57"). Weather in January »
Weather in February
February weather in Macapá is marginally drier than in January, though, the area still experiences substantial rainfall. The sea temperature remains fairly constant from the previous month, ensuring pleasant beach conditions. Weather in February »
Weather in March
Compared to February, weather conditions in March in Macapá, shows slight changes. There’s an increase in rainfall, registering a total of 375mm (14.76") for the month, making it the wettest month of the year. The height of daylight hours remains constant, but the number of sunshine days sees a marginal dip. Weather in March »
Weather in April
April signals a gradual transition towards the drier season in Macapá. The covered sky starts to clear up, giving way to slightly more sunshine. Wind speeds decrease to an average of 9.7km/h (6mph), reducing the chill factor. It's a month with a relatively lower rainfall of 358mm (14.09"), when compared to March, indicating the gradual arrival of the arid period. Weather in April »
Weather in May
In May, Macapá experiences a more notable shift towards drier conditions. The daylight duration remains constant, providing enough sunlight for tourists to enjoy. Although humidity levels are still significant, the city sees a noticeable reduction in rainfall. Weather in May »
Weather in June
Further into the year, June shows signs of a drier spell in Macapá. There is a distinct increase in cloudless days throughout this month. The amount of rainfall reaches its lowest for the year thus far with a total of 231mm (9.09") for the month. Weather in June »
Weather in July
July in Macapá is characterized by a continuation of warmer, drier conditions. The city receives a maximum amount of sunlight compared to the previous months. Macapá's weather upholds steady temperatures, while relative humidity levels decrease, creating more comfortable weather conditions. Weather in July »
Weather in August
August marks a distinct shift in Macapá's weather trend. The city sees its driest period, recording a mere 88mm (3.46") of rainfall. With lesser cloud cover, the month provides increased sunshine, and maintains a consistent daylight duration. Weather in August »
Weather in September
As Macapá moves into September, there is an extension of the dry spell from August. As nominal rainfall occurs, temperatures start to rise gradually, making the days warmer. The sunny days, coupled with a slight breeze aid in creating a comfortable atmosphere. Weather in September »
Weather in October
October in Macapá experiences a gradual return to the wetter weather. Despite this, the city still enjoys many sunny days further influenced by the stable sea temperature. The rise in wind velocity brings a refreshing change, with speeds increasing to a maximum of 20.1km/h (12.5mph). Weather in October »
Weather in November
November, in Macapá, experiences a slight increase in rainfall, a continuation from October. However, humidity levels, paired with constant wind speed help maintain pleasant conditions, despite more frequent rain episodes. Similar to the recent months, the sea temperature runs consistently warm. Weather in November »
Weather in December
Finally, as the year ends in Macapá, December presents conditions akin to November. However, rainfall rises noticeably from the previous month, marking the onset of the wetter month. Wind speeds are slightly reduced, while sea temperatures remain comfortably inviting. Weather in December »
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How many days does it rain in Macapá?
Throughout the year, in Macapá, there are 280.7 rainfall days, and 2496mm (98.27") of precipitation is accumulated.
What is the month with the lowest UV index in Macapá?
January through April and December, with an average maximum UV index of 6, are months with the lowest UV index in Macapá, Brazil.
What are the months with the coldest sea water in Macapá?
February through April, with an average sea temperature of 27.7°C (81.9°F), are months with the coldest seawater.
What is the month with the least sunshine in Macapá?
February and March, with an average of 6.1h of sunshine, are months with the least sunshine.
What month is the coldest in Macapá?
During March and April, Macapá registers its lowest temperatures, averaging a high of 28.8°C (83.8°F).
What are the most humid months in Macapá?
March and April, with an average relative humidity of 86%, are most humid months in Macapá.
What is the wettest month in Macapá?
The month with the most rainfall is March, when the rain falls for 30.6 days and typically aggregates up to 375mm (14.76") of precipitation.
What are the months with the shortest days in Macapá?
March and September, with an average of 12h and 6min of daylight, are months with the shortest days in Macapá, Brazil.
What is the month with the highest UV index in Macapá?
May through November, with an average maximum UV index of 7, are months with the highest UV index in Macapá.
When are the longest days in Macapá?
The month with the longest days in Macapá, Brazil, is June, with an average of 12h and 6min of daylight.
What month has the most sunshine in Macapá?
The month with the most sunshine in Macapá, Brazil, is August, with an average of 9.1h of sunshine.
What is the driest month in Macapá?
The month with the least rainfall in Macapá, Brazil, is September, when the rain falls for 13.1 days and typically collects 39mm (1.54") of precipitation.
What time of the year is the hottest in Macapá?
During October and November, Macapá registers its highest temperatures, averaging a high of 32.5°C (90.5°F).
What are the least humid months in Macapá?
The months with the lowest humidity in Macapá, Brazil, are October and November, with an average relative humidity of 72%.
When is the sea warmest in Macapá?
The month with the warmest seawater is November, with an average sea temperature of 28.3°C (82.9°F).
Is there Daylight Saving Time (DST) in Macapá?
Macapá, Brazil, does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Macapá, Brazil
The warmest months (with the highest average high temperature) are October and November (32.5°C).
The months with the lowest average high temperature are March and April (28.8°C).
The month with the highest average low temperature is November (25.6°C).
The coldest months (with the lowest average low temperature) are February and March (24.2°C).
Average pressure
Macapá, Brazil
- Average pressure in January:
1010.9mbar - Average pressure in February:
1010.7mbar - Average pressure in March:
1011mbar - Average pressure in April:
1011.2mbar - Average pressure in May:
1011.7mbar - Average pressure in June:
1012.7mbar
- Average pressure in July:
1012.8mbar - Average pressure in August:
1012.3mbar - Average pressure in September:
1011.6mbar - Average pressure in October:
1010.1mbar - Average pressure in November:
1009.1mbar - Average pressure in December:
1010mbar
The month with the highest atmospheric pressure is July (1012.8mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed
Macapá, Brazil
- Average wind speed in January:
11.6km/h - Average wind speed in February:
11.4km/h - Average wind speed in March:
10.8km/h - Average wind speed in April:
9.7km/h - Average wind speed in May:
9.1km/h - Average wind speed in June:
9.6km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
12km/h - Average wind speed in September:
13.4km/h - Average wind speed in October:
14km/h - Average wind speed in November:
14km/h - Average wind speed in December:
12.9km/h
The windiest months (with the highest average wind speed) are October and November (14km/h).
The calmest month (with the lowest average wind speed) is May (9.1km/h).
Average humidity
Macapá, Brazil
The months with the highest relative humidity are March and April (86%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall
Macapá, Brazil
- Average rainfall in January:
294mm - Average rainfall in February:
328mm - Average rainfall in March:
375mm - Average rainfall in April:
358mm - Average rainfall in May:
330mm - Average rainfall in June:
231mm
The wettest month (with the highest rainfall) is March (375mm).
The driest month (with the least rainfall) is September (39mm).
Average rainfall days
Macapá, Brazil
- Average rainfall days in January:
29.6 days - Average rainfall days in February:
27.2 days - Average rainfall days in March:
30.6 days - Average rainfall days in April:
29.5 days - Average rainfall days in May:
28.8 days - Average rainfall days in June:
26.7 days
- Average rainfall days in July:
25.6 days - Average rainfall days in August:
20.7 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
24.3 days
The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is October (11.5 days).
Average sea temperature
Macapá, Brazil
The best month for swimming (with the highest average sea temperature) is November (28.3°C).
The coldest months (with the lowest average sea temperature) are February, March and April (27.7°C).
Average daylight / Average sunshine
Macapá, Brazil
- Average daylight in January:
12h and 1min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 1min
- Average daylight in July:
12h and 1min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 1min - Average daylight in December:
12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are March and September (Average daylight: 12h and 6min).
- Average sunshine in January:
6h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
6h and 2min - Average sunshine in May:
6h and 5min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
9h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
8h and 2min - Average sunshine in December:
7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The months with the least sunshine are February and March (Average sunshine: 6h and 6min).
Average sunshine days
Macapá, Brazil
- Average sunshine days in January:
0.5 days - Average sunshine days in February:
0.5 days - Average sunshine days in March:
0.3 days - Average sunshine days in April:
0.1 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
1.8 days
- Average sunshine days in July:
3.8 days - Average sunshine days in August:
6.9 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
2.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is April (0.1 days).
Average UV index
Macapá, Brazil
The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).
Average cloud cover
Macapá, Brazil
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Macapá, Brazil
The months with the highest visibility are August, September, October and November (10km).
The months with the lowest visibility are March, April and May (8km).
