Annual Weather Averages in Castelo Branco
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Castelo Branco
High Temp: 92 °F
Low Temp: 41 °F
Mean Temp: 62 °F
Precipitation: 2.14"
Humidity: 62%
Dew Point: 46 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 13 mi
January Climate & Weather Averages in Castelo Branco
High Temp: 55 °F
Low Temp: 41 °F
Mean Temp: 48 °F
Precipitation: 2.18"
Humidity: 77%
Dew Point: 40 °F
Wind: 12 mph
Pressure: 30.23 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Castelo Branco
High Temp: 58 °F
Low Temp: 42 °F
Mean Temp: 50 °F
Precipitation: 2.38"
Humidity: 71%
Dew Point: 39 °F
Wind: 13 mph
Pressure: 30.16 "Hg
Visibility: 12 mi
March Climate & Weather Averages in Castelo Branco
High Temp: 63 °F
Low Temp: 45 °F
Mean Temp: 54 °F
Precipitation: 3.13"
Humidity: 65%
Dew Point: 40 °F
Wind: 14 mph
Pressure: 30.07 "Hg
Visibility: 13 mi
April Climate & Weather Averages in Castelo Branco
High Temp: 66 °F
Low Temp: 48 °F
Mean Temp: 57 °F
Precipitation: 3.12"
Humidity: 69%
Dew Point: 46 °F
Wind: 12 mph
Pressure: 29.97 "Hg
Visibility: 13 mi
May Climate & Weather Averages in Castelo Branco
High Temp: 75 °F
Low Temp: 53 °F
Mean Temp: 64 °F
Precipitation: 1.72"
Humidity: 57%
Dew Point: 48 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 15 mi
June Climate & Weather Averages in Castelo Branco
High Temp: 83 °F
Low Temp: 59 °F
Mean Temp: 71 °F
Precipitation: 0.55"
Humidity: 51%
Dew Point: 50 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Castelo Branco
High Temp: 91 °F
Low Temp: 63 °F
Mean Temp: 77 °F
Precipitation: 0.30"
Humidity: 44%
Dew Point: 52 °F
Wind: 12 mph
Pressure: 29.97 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Castelo Branco
High Temp: 92 °F
Low Temp: 64 °F
Mean Temp: 78 °F
Precipitation: 0.13"
Humidity: 40%
Dew Point: 50 °F
Wind: 12 mph
Pressure: 29.98 "Hg
Visibility: 15 mi
September Climate & Weather Averages in Castelo Branco
High Temp: 84 °F
Low Temp: 61 °F
Mean Temp: 73 °F
Precipitation: 1.57"
Humidity: 50%
Dew Point: 51 °F
Wind: 11 mph
Pressure: 30.02 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Castelo Branco
High Temp: 73 °F
Low Temp: 55 °F
Mean Temp: 64 °F
Precipitation: 3.50"
Humidity: 66%
Dew Point: 50 °F
Wind: 10 mph
Pressure: 30.03 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Castelo Branco
High Temp: 60 °F
Low Temp: 47 °F
Mean Temp: 54 °F
Precipitation: 3.93"
Humidity: 78%
Dew Point: 46 °F
Wind: 12 mph
Pressure: 30.07 "Hg
Visibility: 12 mi
December Climate & Weather Averages in Castelo Branco
High Temp: 56 °F
Low Temp: 43 °F
Mean Temp: 49 °F
Precipitation: 3.13"
Humidity: 81%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 30.26 "Hg
Visibility: 11 mi