Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
Caieiras records an average high-temperature of a pleasant 21.8°C (71.2°F) in May, closely mirroring the climate of the previous month. Nighttime temperatures consistently average a moderate 13.5°C (56.3°F) during May.Humidity
The average relative humidity in May is 86%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 51mm (2.01") of precipitation is accumulated. In Caieiras, Brazil, during the entire year, the rain falls for 220.1 days and collects up to 1232mm (48.5") of precipitation.Daylight
In Caieiras, the average length of the day in May is 10h and 59min.On the first day of May in Caieiras, Brazil, sunrise is at 06:27 and sunset at 17:40. On the last day of the month, sunrise is at 06:41 and sunset at 17:28 -03.
Sunshine
In Caieiras, the average sunshine in May is 8h.UV index
February through September, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Caieiras. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Caieiras in May?
What is the average humidity in May in Caieiras?
How much does it rain in Caieiras in May?
How many hours of daylight does Caieiras have in May?
What time are sunrise and sunset in May in Caieiras?
How many hours of sunshine does Caieiras have in May?
What are the months with the lowest UV index in Caieiras?
How high is the UV index in May in Caieiras?
Average temperature in May
Caieiras, Brazil
- Average high temperature in May: 21.8°C
The warmest month (with the highest average high temperature) is December (26.4°C).
The month with the lowest average high temperature is June (20.8°C).
- Average low temperature in May: 13.5°C
The month with the highest average low temperature is January (18.3°C).
The coldest month (with the lowest average low temperature) is July (12.4°C).
Average pressure in May
Caieiras, Brazil
- Average pressure in May: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in May
Caieiras, Brazil
- Average wind speed in May: 8.6km/h
The windiest month (with the highest average wind speed) is October (10.3km/h).
The calmest month (with the lowest average wind speed) is February (7.9km/h).
Average humidity in May
Caieiras, Brazil
- Average humidity in May: 86%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in May
Caieiras, Brazil
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is January (234mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in May
Caieiras, Brazil
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is January (27.6 days).
The month with the least rainy days is August (8.1 days).
Average daylight in May /
Average sunshine in May
Caieiras, 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 42min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is September (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in May
Caieiras, Brazil
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is January (2.3 days).
Average UV index in May
Caieiras, Brazil
- Average UV index in May: 5
The months with the highest UV index are January and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover in May
Caieiras, Brazil
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Caieiras, Brazil
- Average visibility in May: 7km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
