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Porto-Alegre Climate & Temperature

  • Porto-Alegre, Brazil is at 30°0'S, 51°13'W, 47 m (154 ft). See map.
  • Porto-Alegre has a humid subtropical climate that is mild with no dry season, constantly moist (year-round rainfall). Summers are hot and muggy with thunderstorms. Winters are mild with precipitation from mid-latitude cyclones. Seasonality is moderate. (Köppen-Geiger classification: Cfa).
  • According to the Holdridge life zones system of bioclimatic classification Porto-Alegre is situated in or near the subtropical moist forest biome.
  • The annual average temperature is 19.5 degrees Celsius (67.1 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 10.4 °C (18.7°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic. Porto-Alegre Climate Graph
  • In the winter time records indicate temperatures by day reach 19.8°C (67.7°F) on average falling to 11°C (51.7°F) overnight.
  • In spring time temperatures climb reaching 24.3°C (75.7°F) generally in the afternoon with overnight lows of 15°C (59.1°F).
  • During summer average high temperatures are 29.8°C (85.6°F) and average low temperatures are 20.1°C (68.1°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 25.2°C (77.4°F) during the day and lows of 16.2°C (61.2°F) generally shortly after sunrise.
  • Total annual Precipitation averages 1347.4 mm (53 inches) which is equivalent to 1347.4 Litres/m² (33.05 Gallons/ft²).
  • On average there are 2443 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Porto-Alegre you would pop up nearest to the climate station at Yakushima, Japan where you would find a Humid subtropical climate.

Porto-Alegre Climate Table

  Climate Variable Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Annual
 
Average Max Temperature °C ( °F) 20 (67) 20 (69) 22 (71) 24 (76) 27 (80) 29 (84) 30 (86) 30 (86) 28 (83) 25 (77) 22 (72) 19 (67) 25 (77)
 
Average Temperature °C ( °F) 15 (58) 15 (60) 17 (62) 19 (67) 21 (70) 23 (74) 25 (76) 25 (76) 23 (74) 20 (68) 17 (62) 14 (58) 20 (67)
 
Average Min Temperature °C ( °F) 11 (51) 12 (53) 13 (56) 15 (59) 17 (63) 19 (66) 21 (69) 21 (69) 19 (67) 16 (61) 13 (55) 11 (51) 16 (60)
 
Average Precipitation mm (in) 122 (5) 140 (6) 140 (5) 114 (5) 104 (4) 101 (4) 100 (4) 109 (4) 104 (4) 86 (3) 95 (4) 133 (5) 1347 (53)
Number of Wet Days (probability of rain on a day %) 9 (29) 11 (35) 10 (33) 10 (32) 8 (27) 7 (23) 8 (26) 9 (32) 8 (26) 9 (30) 9 (29) 10 (33) 108 (30)
Average Sunlight Hours/ Day 5h 19' 5h 48' 5h 00' 6h 42' 8h 12' 9h 05' 8h 25' 7h 34' 7h 21' 6h 24' 5h 36' 4h 46' 6h 41'
Average Daylight Hours/ Day 10h 25' 11h 04' 11h 58' 12h 53' 13h 40' 14h 02' 13h 50' 13h 12' 12h 20' 11h 24' 10h 38' 10h 14' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 52 (48) 53 (47) 42 (58) 53 (47) 61 (39) 65 (35) 61 (39) 58 (42) 60 (40) 57 (43) 53 (47) 47 (53) 56 (44)
Sun altitude at solar noon on the 21st day (°). 39.6 48 59.4 70.5 79.5 83.4 79.5 70.2 59.6 48 39.7 36.6 59.5

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