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 sea temperature 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
Weather in May
Temperature
In Porto Alegre, the average high-temperature in May slightly decreases from a warm 25.5°C (77.9°F) in April to an agreeable 21.9°C (71.4°F). During May, Porto Alegre's temperature averages to a mild 13.4°C (56.1°F) at night.Humidity
In Porto Alegre, the average relative humidity in May is 80%.Rainfall
In Porto Alegre, during May, the rain falls for 10.3 days and regularly aggregates up to 70mm (2.76") of precipitation. Throughout the year, in Porto Alegre, there are 148.3 rainfall days, and 805mm (31.69") of precipitation is accumulated.Sea temperature
In Porto Alegre, the average seawater temperature in May is 20.3°C (68.5°F).Note: Most people find it challenging to enjoy swimming in water that is 20.3°C (68.5°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
The average length of the day in May in Porto Alegre is 10h and 37min.On the first day of May, sunrise is at 06:54 and sunset at 17:49. On the last day of the month, sunrise is at 07:12 and sunset at 17:32 -03.
Sunshine
The average sunshine in May is 7.2h.UV index
May through July, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the usual temperature for Porto Alegre in May?
What is the average humidity in May in Porto Alegre?
How many days does it rain in May in Porto Alegre?
What is the sea temperature in May in Porto Alegre?
How many hours of daylight does Porto Alegre have in May?
When is the sunrise / sunset in May in Porto Alegre?
How long on average sun shines in May in Porto Alegre?
What is the month with the lowest UV index in Porto Alegre?
How high is the UV index in May in Porto Alegre?
Average temperature in May
Porto Alegre, Brazil
- Average high temperature in May: 21.9°C
The warmest month (with the highest average high temperature) is February (30.5°C).
The month with the lowest average high temperature is July (18.8°C).
- Average low temperature in May: 13.4°C
The months with the highest average low temperature are January and February (20°C).
The coldest month (with the lowest average low temperature) is July (10.6°C).
Average pressure in May
Porto Alegre, Brazil
- Average pressure in May: 1017.8mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in May
Porto Alegre, Brazil
- Average wind speed in May: 10km/h
The windiest month (with the highest average wind speed) is October (12.1km/h).
The calmest month (with the lowest average wind speed) is May (10km/h).
Average humidity in May
Porto Alegre, Brazil
- Average humidity in May: 80%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is December (71%).
Average rainfall in May
Porto Alegre, Brazil
- Average rainfall in May: 70mm
The wettest month (with the highest rainfall) is July (103mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in May
Porto Alegre, Brazil
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is April (9.8 days).
Average sea temperature in May
Porto Alegre, Brazil
- Average sea temperature in May: 20.3°C
The best month for swimming (with the highest average sea temperature) is January (24.7°C).
The coldest month (with the lowest average sea temperature) is August (15.8°C).
Average daylight in May /
Average sunshine in May
Porto Alegre, Brazil
- Average daylight in May: 10h and 4min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in May: 7h and 1min
The month with the most sunshine is December (Average sunshine: 8h and 18min).
The month with the least sunshine is September (Average sunshine: 7h and 0min).
Average sunshine days in May
Porto Alegre, Brazil
- Average sunshine days in May: 19.9 days
The month with the most sunshine days is May (19.9 days).
The month with the least sunshine days is September (14.4 days).
Average UV index in May
Porto Alegre, Brazil
- Average UV index in May: 4
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in May
Porto Alegre, Brazil
- Average cloud cover in May: 39
The month with the most cloud cover is September (Cloud cover 41).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility in May
Porto Alegre, 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).
Porto Alegre, Brazil
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