Annual Weather Averages Near St. George's
Averages are for Stephenville, which is 9 miles from St. George's.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in St. George's
High Temp: 70 °F
Low Temp: 14 °F
Mean Temp: 41 °F
Precipitation: 4.40"
Humidity: 79%
Dew Point: 35 °F
Wind: 21 mph
Pressure: 29.91 "Hg
Visibility: 13 mi
January Climate & Weather Averages in St. George's
High Temp: 29 °F
Low Temp: 16 °F
Mean Temp: 23 °F
Precipitation: 4.75"
Humidity: 81%
Dew Point: 18 °F
Wind: 27 mph
Pressure: 29.81 "Hg
Visibility: 10 mi
February Climate & Weather Averages in St. George's
High Temp: 28 °F
Low Temp: 14 °F
Mean Temp: 21 °F
Precipitation: 4.54"
Humidity: 80%
Dew Point: 16 °F
Wind: 26 mph
Pressure: 29.83 "Hg
Visibility: 10 mi
March Climate & Weather Averages in St. George's
High Temp: 33 °F
Low Temp: 19 °F
Mean Temp: 26 °F
Precipitation: 3.63"
Humidity: 78%
Dew Point: 20 °F
Wind: 24 mph
Pressure: 29.89 "Hg
Visibility: 12 mi
April Climate & Weather Averages in St. George's
High Temp: 43 °F
Low Temp: 29 °F
Mean Temp: 36 °F
Precipitation: 3.16"
Humidity: 75%
Dew Point: 28 °F
Wind: 22 mph
Pressure: 29.92 "Hg
Visibility: 13 mi
May Climate & Weather Averages in St. George's
High Temp: 54 °F
Low Temp: 37 °F
Mean Temp: 45 °F
Precipitation: 4.05"
Humidity: 75%
Dew Point: 37 °F
Wind: 19 mph
Pressure: 29.97 "Hg
Visibility: 14 mi
June Climate & Weather Averages in St. George's
High Temp: 62 °F
Low Temp: 46 °F
Mean Temp: 54 °F
Precipitation: 3.74"
Humidity: 77%
Dew Point: 46 °F
Wind: 16 mph
Pressure: 29.92 "Hg
Visibility: 13 mi
July Climate & Weather Averages in St. George's
High Temp: 69 °F
Low Temp: 54 °F
Mean Temp: 62 °F
Precipitation: 4.55"
Humidity: 80%
Dew Point: 55 °F
Wind: 16 mph
Pressure: 29.91 "Hg
Visibility: 13 mi
August Climate & Weather Averages in St. George's
High Temp: 70 °F
Low Temp: 55 °F
Mean Temp: 63 °F
Precipitation: 4.51"
Humidity: 80%
Dew Point: 57 °F
Wind: 17 mph
Pressure: 29.94 "Hg
Visibility: 14 mi
September Climate & Weather Averages in St. George's
High Temp: 63 °F
Low Temp: 48 °F
Mean Temp: 56 °F
Precipitation: 5.21"
Humidity: 80%
Dew Point: 50 °F
Wind: 19 mph
Pressure: 29.97 "Hg
Visibility: 14 mi
October Climate & Weather Averages in St. George's
High Temp: 53 °F
Low Temp: 39 °F
Mean Temp: 46 °F
Precipitation: 5.18"
Humidity: 79%
Dew Point: 40 °F
Wind: 21 mph
Pressure: 29.94 "Hg
Visibility: 14 mi
November Climate & Weather Averages in St. George's
High Temp: 43 °F
Low Temp: 32 °F
Mean Temp: 37 °F
Precipitation: 4.85"
Humidity: 80%
Dew Point: 31 °F
Wind: 23 mph
Pressure: 29.93 "Hg
Visibility: 13 mi
December Climate & Weather Averages in St. George's
High Temp: 35 °F
Low Temp: 24 °F
Mean Temp: 29 °F
Precipitation: 4.67"
Humidity: 80%
Dew Point: 24 °F
Wind: 26 mph
Pressure: 29.84 "Hg
Visibility: 11 mi