Climate - Fernando De Noronha (Brazil)

The climate of the archipelago of Fernando de Noronha, located near the northeast coast of Brazil, in the state of Pernambuco, is tropical, hot all year round, with a dry season from August to January and a rainy season from February to July. The archipelago is a UNESCO World Heritage Site.
Given the proximity to the Equator, temperatures are stable throughout the year, and are slightly higher from November to April, when highs are around 30 °C (86 °F), and slightly lower from June to September, when they are around 29 °C (84 °F). At night, the temperature almost never drops below 20 °C (68 °F). Here are the average temperatures.

In a typical year, about 1,400 millimeters (55 inches) of rain fall. The wettest period is from March to June, when rainfall is equal to or higher than 200 mm (8 in) per month. Generally, the amount of rainfall in February and July is acceptable, but during some years, it may be more abundant, reaching the level of the rainiest months. Here is the average precipitation.

The driest period, when it rarely rains, runs from September to December. October is historically the driest month, with fewer deviations from the norm, while in the other dry months, every once in a while, an intense shower may occur.
The rainfall distribution in Fernando de Noronha is similar to that of cities located in the north-east of Brazil, such as Fortaleza and Natal.
Relative humidity is high throughout the year, therefore also in the dry season. However, fortunately, sea breezes give a bit of relief.



On average, the amount of sunshine is never scarce because the rains come in the form of downpours or thunderstorms, and usually do not last long, however, the sunniest period is the dry season. Here are the average sunshine hours per day.

The sea in the Fernando de Noronha Archipelago is warm enough to swim in all year round, as you can see in the following table.

Best Time

The best time to visit the Fernando de Noronha archipelago, either for exploring the islands by feet or for sunbathing, swimming and diving, goes from August to January, since it is the driest of the year. Surfers will appreciate especially the period beginning in November and peaking in February and March, when waves are higher.

Fernando De Noronha - Weather by month

Based on the period 1991-2020

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In January, the weather in Fernando De Noronha is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 25.3 °C (77.6 °F) and a maximum of 30.3 °C (86.6 °F).
On the coldest nights of the month, the temperature usually drops to around 23.5 °C (74.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 65 mm (2.6 in), distributed over 6 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In February, the weather in Fernando De Noronha is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 25.3 °C (77.6 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights of the month, the temperature usually drops to around 23 °C (73.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 110 mm (4.3 in), distributed over 11 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).
The average sea temperature is of 28 °C (82.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In March, the weather in Fernando De Noronha is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 25.2 °C (77.4 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights, the temperature usually drops to around 23 °C (73 °F).
On the warmest days, the temperature usually reaches around 32 °C (89 °F).
Precipitation amounts to 265 mm (10.4 in), distributed over 17 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In April, the weather in Fernando De Noronha is usually warm to hot and muggy. The average temperature is of 27.5 °C (82 °F), with a minimum of 25.1 °C (77.1 °F) and a maximum of 30 °C (85.9 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (72.5 °F).
On the warmest days, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 290 mm (11.4 in), distributed over 18 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In May, the weather in Fernando De Noronha is usually very hot and muggy. The average temperature is of 27.6 °C (82 °F), with a minimum of 25.2 °C (77.4 °F) and a maximum of 29.9 °C (85.9 °F).
On the coldest nights, the temperature usually drops to around 23 °C (73.5 °F).
On the warmest days, the temperature usually reaches around 31.5 °C (89 °F).
Precipitation amounts to 280 mm (11 in), distributed over 18 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 14 kph (8 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In June, the weather in Fernando De Noronha is usually warm to hot and muggy. The average temperature is of 27.0 °C (81 °F), with a minimum of 24.8 °C (76.6 °F) and a maximum of 29.3 °C (84.7 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 30.5 °C (87.5 °F).
Precipitation amounts to 190 mm (7.5 in), distributed over 13 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).
The average sea temperature is of 28 °C (82 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In July, the weather in Fernando De Noronha is usually warm to hot and muggy. The average temperature is of 26.6 °C (80 °F), with a minimum of 24.4 °C (75.8 °F) and a maximum of 28.8 °C (83.8 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (71 °F).
On the warmest days of the month, the temperature usually reaches around 30.5 °C (86.5 °F).
Precipitation amounts to 120 mm (4.7 in), distributed over 11 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 27 °C (81 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In August, the coldest month of the year, the weather in Fernando De Noronha is usually warm to hot and muggy. The average temperature is of 26.5 °C (80 °F), with a minimum of 24.3 °C (75.7 °F) and a maximum of 28.8 °C (83.8 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (72.5 °F).
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85.5 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 4 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 70% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 26.5 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In September, the weather in Fernando De Noronha is usually warm to hot and muggy. The average temperature is of 26.9 °C (80 °F), with a minimum of 24.5 °C (76 °F) and a maximum of 29.3 °C (84.7 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (72.5 °F).
On the warmest days, the temperature usually reaches around 30 °C (86.5 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 mph).
The average sea temperature is of 26.5 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In October, the weather in Fernando De Noronha is usually warm to hot and muggy. The average temperature is of 27.3 °C (81 °F), with a minimum of 24.8 °C (76.7 °F) and a maximum of 29.8 °C (85.6 °F).
On the coldest nights, the temperature usually drops to around 23 °C (73.5 °F).
On the warmest days, the temperature usually reaches around 31 °C (87.5 °F).
Precipitation amounts to 10 mm (0.4 in), and all occurs in one day.
The day lasts on average 12 hours and 10 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 27 °C (80 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In November, the weather in Fernando De Noronha is usually very hot and muggy. The average temperature is of 27.6 °C (82 °F), with a minimum of 25.1 °C (77.2 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights, the temperature usually drops to around 23.5 °C (74 °F).
On the warmest days, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 2 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 27 °C (80.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In December, the weather in Fernando De Noronha is usually very hot and muggy. The average temperature is of 27.9 °C (82 °F), with a minimum of 25.4 °C (77.7 °F) and a maximum of 30.3 °C (86.6 °F).
On the coldest nights of the month, the temperature usually drops to around 23.5 °C (74.5 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 18 kph (11 mph).
The average sea temperature is of 27 °C (81 °F). Therefore, the sea is pleasantly warm and allows long swims.