Barreiro monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Barreiro

Barreiro average temperature chart (Celsius) Barreiro average temperature chart (Fahrenheit)
Average monthly temperatures in Barreiro (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.7 15.8 17.7 19.1 21.8 24.8 27.5 27.9 26.5 22.6 17.9 15.1
°F 58.5 60.4 63.9 66.4 71.2 76.6 81.5 82.1 79.6 72.6 64.2 59.1

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.

Barreiro monthly rainfall chart (mm) Barreiro monthly rainfall chart (inches)
Average monthly rainfall in Barreiro (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 106 105 66 61 37 20 4 4 24 77 107 104
inches 4.2 4.1 2.6 2.4 1.5 0.8 0.1 0.2 0.9 3 4.2 4.1
Rainy days 14 14 12 11 8 5 2 2 6 10 13 14

Average annual rainfall in Barreiro: 743.6mm (292.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Barreiro

Barreiro average daily sunshine chart
Average daily sunshine Barreiro
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 5.8 7.2 8.3 10 10.8 12.1 11.8 9.3 7.4 5.8 5.1

Day / night temperatures

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

Barreiro average minimum / maximum temperatures (Celsius) Barreiro average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Barreiro (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 8.5 9.3 10.1 11.3 13.2 15.6 17.5 17.7 17.1 14.9 11.4 9.2
Max °C 14.9 16 17.9 19.3 22 25 27.8 28.1 26.7 22.8 18.1 15.2
Min °F 47.3 48.7 50.2 52.3 55.8 60.1 63.4 63.9 62.8 58.7 52.4 48.6
Max °F 53.1 54.7 57.2 59.5 63.7 68.5 72.7 73.2 71.4 65.8 58.5 54

Sea temperature

The graph below shows the average sea temperature.

Barreiro average sea temperature chart (Celsius) Barreiro average sea temperature chart (Fahrenheit)
Average sea temperature around Barreiro in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.7 15.1 15.2 15.8 16.9 18.7 19.8 20.4 20.4 19.7 18.3 16.8
°F 60.2 59.2 59.3 60.5 62.5 65.6 67.7 68.7 68.7 67.5 64.9 62.2

Wind speed

The graph below shows the average wind speed.

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

Barreiro relative humidity averages
Average relative humidity in Barreiro
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 78% 71% 69% 66% 65% 62% 61% 67% 72% 77% 80%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Barreiro weather stats

Barreiro weather statistics
Hottest month: August 27.9°C 82.2°F
Driest month: July 4mm 0.2ins
Sunniest month: August 11.8hrs
Coldest month: January 14.7°C 58.5°F
Wettest month: November 107mm 4.2ins
Warmest sea: September 20.4°C 68.7°F
Map showing location of Barreiro (38.66314, -9.0724) Barreiro map pin © Google

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