May weather forecast
Guaratuba, Brazil

May

Weather in May

The last month of the autumn, May, is another warm month in Guaratuba, Brazil, with an average temperature varying between 16.3°C (61.3°F) and 23.3°C (73.9°F).

Temperature

As Guaratuba steps into May, the average high-temperature holds at a still warm 23.3°C (73.9°F), hinting at a minor fluctuation from the prior month. An average nighttime temperature of 16.3°C (61.3°F) is noted during the month of May.

Humidity

May through July, with an average relative humidity of 85%, are the most humid months in Guaratuba.

Rainfall

In Guaratuba, in May, it is raining for 14.6 days, with typically 92mm (3.62") of accumulated precipitation. In Guaratuba, during the entire year, the rain falls for 204.4 days and collects up to 1031mm (40.59") of precipitation.

Sea temperature

In Guaratuba, in May, the average water temperature is 22.7°C (72.9°F).
Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 22.7°C (72.9°F) waters. (For comparison, the Olympic swimming standard is set between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in May is 10h and 51min.
On the first day of the month, sunrise is at 06:38 and sunset at 17:44. On the last day of May, sunrise is at 06:53 and sunset at 17:30 -03.

Sunshine

In Guaratuba, the average sunshine in May is 6.4h.

UV index

April through October, with an average maximum UV index of 5, are months with the lowest UV index in Guaratuba, Brazil. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 in May translates into these instructions:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! Reflections from sand and water can surge UV radiation exposure.

Frequently asked questions

What are May temperatures in Guaratuba?
The average high-temperature, in May, in Guaratuba, is 23.3°C (73.9°F), while the average low-temperature is 16.3°C (61.3°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in March is estimated at 32°C (89.6°F).
What are the most humid months in Guaratuba?
May through July, with an average relative humidity of 85%, are most humid months.
What is the average humidity in May in Guaratuba?
In May, the average relative humidity in Guaratuba is 85%.
How much does it rain in Guaratuba in May?
In Guaratuba, in May, during 14.6 rainfall days, 92mm (3.62") of precipitation is typically accumulated.
What is the water temperature in May in Guaratuba?
In Guaratuba, Brazil, the average seawater temperature in May is 22.7°C (72.9°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.7°C (72.9°F) water may be enjoyable.
What is the average length of the day in May in Guaratuba?
In May, the average day length is 10h and 51min.
When is the sunrise / sunset in May in Guaratuba?
On the first day of May in Guaratuba, sunrise is at 06:38 and sunset at 17:44. On the last day of the month, sunrise is at 06:53 and sunset at 17:30 -03.
How many hours of sunshine does Guaratuba have in May?
The average sunshine duration in May is 6.4h.
When is the lowest UV index in Guaratuba?
April through October, with an average maximum UV index of 5, are months with the lowest UV index in Guaratuba.
What is the UV index reading in May in Guaratuba?
In May, the average daily maximum UV index in Guaratuba is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
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
Average temperature in May - Guaratuba, Brazil
Average temperature in May
Guaratuba, Brazil
  • Average high temperature in May: 23.3°C

The warmest month (with the highest average high temperature) is January (29.4°C).
The month with the lowest average high temperature is July (21.3°C).

  • Average low temperature in May: 16.3°C

The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).

Average pressure in May - Guaratuba, Brazil
Average pressure in May
Guaratuba, Brazil
  • Average pressure in May: 1017.7mbar

The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

Average wind speed in May - Guaratuba, Brazil
Average wind speed in May
Guaratuba, Brazil
  • Average wind speed in May: 6.1km/h

The windiest month (with the highest average wind speed) is November (7km/h).
The calmest months (with the lowest average wind speed) are June, July and August (5.9km/h).

Average humidity in May - Guaratuba, Brazil
Average humidity in May
Guaratuba, Brazil
  • Average humidity in May: 85%

The months with the highest relative humidity are May, June and July (85%).
The months with the lowest relative humidity are January, February and December (82%).

Average rainfall in May - Guaratuba, Brazil
Average rainfall in May
Guaratuba, Brazil
  • Average rainfall in May: 92mm

The wettest month (with the highest rainfall) is February (141mm).
The driest months (with the least rainfall) are April and August (56mm).

Average rainfall days in May - Guaratuba, Brazil
Average rainfall days in May
Guaratuba, Brazil
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (11.6 days).

Average sea temperature in May - Guaratuba, Brazil
Average sea temperature in May
Guaratuba, Brazil
  • Average sea temperature in May: 22.7°C

The best month for swimming (with the highest average sea temperature) is February (26.8°C).
The coldest month (with the lowest average sea temperature) is August (18.8°C).

Average daylight in May / Average sunshine in May - Guaratuba, Brazil
Average daylight in May /
Average sunshine in May
Guaratuba, Brazil
  • Average daylight in May: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).

  • Average sunshine in May: 6h and 2min

The months with the most sunshine are January, April and August (Average sunshine: 6h and 54min).
The months with the least sunshine are October and November (Average sunshine: 6h and 6min).

Average sunshine days in May - Guaratuba, Brazil
Average sunshine days in May
Guaratuba, Brazil
  • Average sunshine days in May: 13.7 days

The month with the most sunshine days is July (17.3 days).
The month with the least sunshine days is January (5 days).

Average UV index in May - Guaratuba, Brazil
Average UV index in May
Guaratuba, Brazil
  • Average UV index in May: 5

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).

Average cloud cover in May - Guaratuba, Brazil
Average cloud cover in May
Guaratuba, Brazil
  • Average cloud cover in May: 54

The months with the most cloud cover are October and November (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 49).

Average visibility in May - Guaratuba, Brazil
Average visibility in May
Guaratuba, Brazil
  • Average visibility in May: 8km

The months with the highest visibility are January, February, March, April, May, June, August, September and December (8km).
The months with the lowest visibility are July, October and November (7km).

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