Annual Weather Averages Near Colwyn Bay
Averages are for Rhyl, which is 10 miles from Colwyn Bay.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Colwyn Bay
High Temp: 67 °F
Low Temp: 37 °F
Mean Temp: 51 °F
Precipitation: 2.89"
Humidity: 80%
Dew Point: 44 °F
Wind: 15 mph
Pressure: 29.94 "Hg
Visibility: 18 mi
January Climate & Weather Averages in Colwyn Bay
High Temp: 47 °F
Low Temp: 37 °F
Mean Temp: 42 °F
Precipitation: 3.54"
Humidity: 83%
Dew Point: 37 °F
Wind: 18 mph
Pressure: 29.88 "Hg
Visibility: 18 mi
February Climate & Weather Averages in Colwyn Bay
High Temp: 47 °F
Low Temp: 37 °F
Mean Temp: 42 °F
Precipitation: 2.79"
Humidity: 79%
Dew Point: 36 °F
Wind: 18 mph
Pressure: 29.90 "Hg
Visibility: 18 mi
March Climate & Weather Averages in Colwyn Bay
High Temp: 50 °F
Low Temp: 38 °F
Mean Temp: 44 °F
Precipitation: 2.50"
Humidity: 78%
Dew Point: 38 °F
Wind: 16 mph
Pressure: 29.97 "Hg
Visibility: 17 mi
April Climate & Weather Averages in Colwyn Bay
High Temp: 54 °F
Low Temp: 40 °F
Mean Temp: 47 °F
Precipitation: 1.90"
Humidity: 75%
Dew Point: 39 °F
Wind: 14 mph
Pressure: 29.99 "Hg
Visibility: 19 mi
May Climate & Weather Averages in Colwyn Bay
High Temp: 59 °F
Low Temp: 45 °F
Mean Temp: 52 °F
Precipitation: 2.19"
Humidity: 76%
Dew Point: 45 °F
Wind: 14 mph
Pressure: 29.99 "Hg
Visibility: 20 mi
June Climate & Weather Averages in Colwyn Bay
High Temp: 65 °F
Low Temp: 51 °F
Mean Temp: 58 °F
Precipitation: 2.70"
Humidity: 78%
Dew Point: 51 °F
Wind: 12 mph
Pressure: 29.99 "Hg
Visibility: 17 mi
July Climate & Weather Averages in Colwyn Bay
High Temp: 67 °F
Low Temp: 54 °F
Mean Temp: 61 °F
Precipitation: 2.56"
Humidity: 79%
Dew Point: 54 °F
Wind: 13 mph
Pressure: 29.98 "Hg
Visibility: 19 mi
August Climate & Weather Averages in Colwyn Bay
High Temp: 67 °F
Low Temp: 54 °F
Mean Temp: 60 °F
Precipitation: 2.49"
Humidity: 79%
Dew Point: 54 °F
Wind: 13 mph
Pressure: 29.94 "Hg
Visibility: 19 mi
September Climate & Weather Averages in Colwyn Bay
High Temp: 63 °F
Low Temp: 51 °F
Mean Temp: 57 °F
Precipitation: 2.67"
Humidity: 81%
Dew Point: 51 °F
Wind: 13 mph
Pressure: 30.01 "Hg
Visibility: 16 mi
October Climate & Weather Averages in Colwyn Bay
High Temp: 58 °F
Low Temp: 46 °F
Mean Temp: 52 °F
Precipitation: 3.23"
Humidity: 82%
Dew Point: 47 °F
Wind: 14 mph
Pressure: 29.91 "Hg
Visibility: 18 mi
November Climate & Weather Averages in Colwyn Bay
High Temp: 51 °F
Low Temp: 41 °F
Mean Temp: 46 °F
Precipitation: 3.54"
Humidity: 83%
Dew Point: 42 °F
Wind: 15 mph
Pressure: 29.87 "Hg
Visibility: 19 mi
December Climate & Weather Averages in Colwyn Bay
High Temp: 49 °F
Low Temp: 40 °F
Mean Temp: 44 °F
Precipitation: 4.55"
Humidity: 83%
Dew Point: 40 °F
Wind: 18 mph
Pressure: 29.86 "Hg
Visibility: 19 mi