Porto Alegre Weather: May
 |
Average Day Temperature: | 70.2°F |
|
Average Night Temperature: | 59.5°F |
|
Sea Water Temperature: | 68.4°F |
|
Number of Sunny Days: | 15 days |
| Sunshine Hours: | 10.3 - 10.9 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 1.9 in | |
| detailed information | ||
forecast
| Porto Alegre |
Temperature
| Porto Alegre |
Air Temperature in May, °F
The highest day temperature in May 2026 was 91°F. The lowest night temperature was 44°F. The average values for day and night temperatures during May were 68.8°F и 56.3°F respectivly.
Porto Alegre Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Porto Alegre was 66.0°F. The maximum and minimum values were 61.4°F and 72.0°F respectively.
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Porto Alegre is 1.9 in. It makes may one of the most rainy months of the year.
The average wind speed in May is 5.2 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Porto Alegre in May is 6.4 hours.
Porto Alegre on the Weather Map
| Arroio do Sal |  |
+62 |
| Balneario Pinhal | |
+62 |
| Buzios | |
+68 |
| Florianopolis |  |
+58 |
| Fortaleza |  |
+82 |
| Guaratuba | |
+56 |
| Ilha de Itamaraca |  |
+80 |
| Joao Pessoa | |
+80 |
| Parati | |
+50 |
| Peruibe | |
+60 |
| Recife | |
+80 |
| Rio das Ostras | |
+68 |
| Rio de Janeiro | |
+68 |
| Santos | |
+64 |
| Sao Paulo | |
+58 |
| 1800 |  |
60°F | W 6 mph |
| 2100 |  |
58°F | W 7 mph |
| 0000 | |
56°F | W 7 mph |
| 0300 |  |
56°F | W 2 mph |
| 0600 | |
56°F | SE 5 mph |
| 0900 |  |
56°F | S 15 mph |
| 1200 |  |
58°F | SE 7 mph |
| 1500 | |
62°F | E 6 mph |