May weather forecast
Cabo Frio, Brazil

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Weather in May

May signals the commencement of autumn at Cabo Frio. Nevertheless, the temperature drop has been noticed from 26.1°C (79°F) in April to 24.7°C (76.5°F) in May. Despite the rainfall occurrence remaining moderate, the city experiences low humidity levels and fewer daylight hours. With a lower UV index, sunlight remains mild and enjoyable. While going into June, the city experiences further temperature declines and a noticeable drop in sea temperature.

Temperature

Cabo Frio, Brazil, sees the arrival of May with an average high-temperature of a still moderately hot 24.7°C (76.5°F), indicating a subtle variation from April. In Cabo Frio, May's low temperatures hover around a pleasant 21.6°C (70.9°F), reflecting a minor decrease from the daytime highs.

Humidity

The months with the lowest humidity in Cabo Frio are May, July and August, with an average relative humidity of 78%.

Rainfall

In Cabo Frio, Brazil, in May, it is raining for 13.7 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, in Cabo Frio, there are 173.2 rainfall days, and 733mm (28.86") of precipitation is accumulated.

Sea temperature

In Cabo Frio, the average seawater temperature in May is 24.7°C (76.5°F).
Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 24.7°C (76.5°F) waters. For reference, Olympians swim in waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

In May, the average length of the day is 11h and 1min.
On the first day of the month, sunrise is at 06:07 and sunset at 17:22. On the last day of May, sunrise is at 06:21 and sunset at 17:10 -03.

Sunshine

In May, the average sunshine is 8.3h.

UV index

The months with the lowest UV index are March through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 in May translates into these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The Sun's UV rays intensify with reflections from sand and water.
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Frequently asked questions

What is the average May temperature in Cabo Frio?

In May, the average high-temperature and low-temperature in Cabo Frio are 24.7°C (76.5°F) and 21.6°C (70.9°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in March is appraised at 30°C (86°F).

What are the least humid months in Cabo Frio?

May, July and August, with an average relative humidity of 78%, are the least humid months in Cabo Frio, Brazil.

What is the average humidity in May in Cabo Frio?

In Cabo Frio, Brazil, the average relative humidity in May is 78%.

How much does it rain in Cabo Frio in May?

In Cabo Frio, Brazil, in May, it is raining for 13.7 days, with typically 56mm (2.2") of accumulated precipitation.

What is the water temperature in May in Cabo Frio?

In Cabo Frio, in May, the average water temperature is 24.7°C (76.5°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.7°C (76.5°F).

How many hours of daylight does Cabo Frio have in May?

The average day length in May is 11h and 1min.

What time are sunrise and sunset in May in Cabo Frio?

In May, on the first day of the month, sunrise is at 06:07 and sunset at 17:22. On the last day of the month, sunrise is at 06:21 and sunset at 17:10 -03.

How long on average sun shines in May in Cabo Frio?

The average sunshine duration in May is 8.3h.

What is the month with the lowest UV index in Cabo Frio?

The months with the lowest UV index are March through December, with an average maximum UV index of 6.

What is the UV index intensity in May in Cabo Frio?

In May, the average daily maximum UV index in Cabo Frio is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in May
Cabo Frio, Brazil

Average temperature in May - Cabo Frio, Brazil
  • Average high temperature in May: 24.7°C

The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is August (23.2°C).

  • Average low temperature in May: 21.6°C

The month with the highest average low temperature is February (24.6°C).
The coldest month (with the lowest average low temperature) is August (19.8°C).

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Average pressure in May
Cabo Frio, Brazil

Average pressure in May - Cabo Frio, Brazil
  • Average pressure in May: 1017.5mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).

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Average wind speed in May
Cabo Frio, Brazil

Average wind speed in May - Cabo Frio, Brazil
  • Average wind speed in May: 16.1km/h

The windiest month (with the highest average wind speed) is September (22.8km/h).
The calmest month (with the lowest average wind speed) is March (15.2km/h).

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Average humidity in May
Cabo Frio, Brazil

Average humidity in May - Cabo Frio, Brazil
  • Average humidity in May: 78%

The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are May, July and August (78%).

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Average rainfall in May
Cabo Frio, Brazil

Average rainfall in May - Cabo Frio, Brazil
  • Average rainfall in May: 56mm

The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is July (26mm).

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Average rainfall days in May
Cabo Frio, Brazil

Average rainfall days in May - Cabo Frio, Brazil
  • Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (10.2 days).

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Average sea temperature in May
Cabo Frio, Brazil

Average sea temperature in May - Cabo Frio, Brazil
  • Average sea temperature in May: 24.7°C

The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.8°C).

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Average daylight in May /
Average sunshine in May
Cabo Frio, Brazil

Average daylight in May / Average sunshine in May - Cabo Frio, Brazil
  • Average daylight in May: 11h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 7h and 42min).

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Average sunshine days in May
Cabo Frio, Brazil

Average sunshine days in May - Cabo Frio, Brazil
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is July (18.5 days).
The month with the least sunshine days is November (8.4 days).

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Average UV index in May
Cabo Frio, Brazil

Average UV index in May - Cabo Frio, Brazil
  • Average UV index in May: 6

The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 6).

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Average cloud cover in May
Cabo Frio, Brazil

Average cloud cover in May - Cabo Frio, Brazil
  • Average cloud cover in May: 30

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 26).

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Average visibility in May
Cabo Frio, Brazil

Average visibility in May - Cabo Frio, Brazil
  • Average visibility in May: 10km

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).

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Cabo Frio, Brazil

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