Alter do Chão monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Alter do Chão

Alter do Chão average temperature chart (Celsius) Alter do Chão average temperature chart (Fahrenheit)
Average monthly temperatures in Alter do Chão (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.9 14 16.3 18.3 22 26.5 30.4 30.6 27.7 21.8 16.3 13.2
°F 55.2 57.1 61.3 64.9 71.6 79.7 86.8 87.1 81.9 71.3 61.4 55.7

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Alter do Chão monthly rainfall chart (mm) Alter do Chão monthly rainfall chart (inches)
Average monthly rainfall in Alter do Chão (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 102 101 69 70 46 33 4 5 34 80 98 99
inches 4 4 2.7 2.7 1.8 1.3 0.2 0.2 1.4 3.1 3.8 3.9
Rainy days 15 15 13 12 10 7 3 3 6 11 13 14

Average annual rainfall in Alter do Chão: 770.667mm (303.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Alter do Chão

Alter do Chão average daily sunshine chart
Average daily sunshine Alter do Chão
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 5.7 6.9 7.7 9.6 10.6 12.3 11.8 8.7 7.1 5.6 5.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Alter do Chão average minimum / maximum temperatures (Celsius) Alter do Chão average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Alter do Chão (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 6.2 6.7 7.7 9.1 11.6 14.8 17.1 17.3 16.4 13.2 9.1 6.7
Max °C 13.1 14.2 16.5 18.5 22.3 26.8 30.8 31 28 22.1 16.5 13.4
Min °F 43.1 44 45.9 48.4 52.8 58.6 62.7 63.1 61.5 55.7 48.4 44
Max °F 49.3 50.7 53.8 56.8 62.4 69.4 75 75.4 72 63.7 55 50

Sea temperature

The graph below shows the average sea temperature.

Alter do Chão average sea temperature chart (Celsius) Alter do Chão average sea temperature chart (Fahrenheit)
Average sea temperature around Alter do Chão in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.1 14.6 14.7 15.3 16.5 18.4 19.6 20.1 19.9 19 17.6 16.1
°F 59.3 58.2 58.4 59.6 61.8 65.1 67.2 68.2 67.8 66.2 63.6 61

Wind speed

The graph below shows the average wind speed.

Alter do Chão average winspeed by month (km/h) Alter do Chão average winspeed by month (mph)
Average wind speed in Alter do Chão (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 14 14 14 13 13 13 12 13 13 14
mph 9 9 9 9 9 8 8 8 7 8 8 9

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Alter do Chão relative humidity averages
Average relative humidity in Alter do Chão
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
78% 75% 69% 68% 63% 59% 52% 51% 56% 67% 74% 77%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Alter do Chão weather stats

Alter do Chão weather statistics
Hottest month: August 30.6°C 87.1°F
Driest month: July 4mm 0.2ins
Sunniest month: August 11.8hrs
Coldest month: January 12.9°C 55.2°F
Wettest month: January 102mm 4ins
Warmest sea: August 20.1°C 68.2°F
Map showing location of Alter do Chão (39.19741, -7.65893) Alter do Chão map pin © Google

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