May weather forecast
Costa Barros, Brazil

May

Weather in May

May, the last month of the autumn in Costa Barros, is another warm month, with temperature in the range of an average high of 25.1°C (77.2°F) and an average low of 18°C (64.4°F).

Temperature

With the onset of May, the average high-temperature registers at a still moderately hot 25.1°C (77.2°F), subtly different from April's 26.8°C (80.2°F). May in Costa Barros witnesses an average low-temperature hovering around a comfortable 18°C (64.4°F).

Humidity

March through May and November, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Costa Barros, during May, the rain falls for 13.7 days and regularly aggregates up to 31mm (1.22") of precipitation. In Costa Barros, during the entire year, the rain falls for 205.4 days and collects up to 637mm (25.08") of precipitation.

Daylight

The average length of the day in May in Costa Barros is 11h and 1min.
On the first day of May, sunrise is at 06:13 and sunset at 17:27. On the last day of the month, sunrise is at 06:26 and sunset at 17:16 -03.

Sunshine

The average sunshine in May is 8.2h.

UV index

April, May, July and September, with an average maximum UV index of 5, are months with the lowest UV index in Costa Barros. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, a regular UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the average May temperature in Costa Barros?
In Costa Barros, 25.1°C (77.2°F) is the average high-temperature and 18°C (64.4°F) is the average low-temperature during May. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in March is evaluated at 34°C (93.2°F).
What is the most humid month in Costa Barros?
March through May and November, with an average relative humidity of 82%, are most humid months.
What is the average humidity in May in Costa Barros?
The average relative humidity in May is 82%.
How much does it rain in Costa Barros in May?
In Costa Barros, in May, it is raining for 13.7 days, with typically 31mm (1.22") of accumulated precipitation.
What is the average length of the day in May in Costa Barros?
In May, the average day length in Costa Barros is 11h and 1min.
When are sunrise and sunset in May in Costa Barros?
On the first day of May in Costa Barros, Brazil, sunrise is at 06:13 and sunset at 17:27. On the last day of the month, sunrise is at 06:26 and sunset at 17:16 -03.
How long on average sun shines in May in Costa Barros?
The average sunshine duration in May is 8.2h.
When is the lowest UV index in Costa Barros?
The months with the lowest UV index in Costa Barros are April, May, July and September, with an average maximum UV index of 5.
What is the UV index reading in May in Costa Barros?
In Costa Barros, Brazil, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Costa Barros, Brazil
  • Average high temperature in May: 25.1°C

The warmest month (with the highest average high temperature) is February (30.1°C).
The month with the lowest average high temperature is July (24.1°C).

  • Average low temperature in May: 18°C

The month with the highest average low temperature is January (22.3°C).
The coldest month (with the lowest average low temperature) is August (16.9°C).

Average pressure in May
Costa Barros, Brazil
  • Average pressure in May: 1017.7mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012mbar).

Average wind speed in May
Costa Barros, Brazil
  • Average wind speed in May: 7.1km/h

The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).

Average humidity in May
Costa Barros, Brazil
  • Average humidity in May: 82%

The months with the highest relative humidity are March, April, May and November (82%).
The month with the lowest relative humidity is August (77%).

Average rainfall in May
Costa Barros, Brazil
  • Average rainfall in May: 31mm

The wettest month (with the highest rainfall) is January (94mm).
The driest month (with the least rainfall) is June (24mm).

Average rainfall days in May
Costa Barros, Brazil
  • Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is December (23.8 days).
The month with the least rainy days is August (10.2 days).

Average daylight in May /
Average sunshine in May
Costa Barros, 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 1min

The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).

Average sunshine days in May
Costa Barros, Brazil
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is December (4.9 days).

Average UV index in May
Costa Barros, Brazil
  • Average UV index in May: 5

The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are April, May, July and September (UV index 5).

Average cloud cover in May
Costa Barros, Brazil
  • Average cloud cover in May: 33

The month with the most cloud cover is November (Cloud cover 50).
The months with the least cloud cover are February, July and August (Cloud cover 31).

Average visibility in May
Costa Barros, Brazil
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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