Annual Weather Averages in Lerwick
Lerwick is 44 miles from Unst, so the actual climate in Unst can vary a bit.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Unst
High Temp: 58 °F
Low Temp: 36 °F
Mean Temp: 46 °F
Precipitation: 4.17"
Humidity: 86%
Dew Point: 42 °F
Wind: 31 mph
Pressure: 29.80 "Hg
Visibility: 15 mi
January Climate & Weather Averages in Unst
High Temp: 42 °F
Low Temp: 36 °F
Mean Temp: 39 °F
Precipitation: 6.06"
Humidity: 85%
Dew Point: 35 °F
Wind: 38 mph
Pressure: 29.63 "Hg
Visibility: 14 mi
February Climate & Weather Averages in Unst
High Temp: 43 °F
Low Temp: 36 °F
Mean Temp: 40 °F
Precipitation: 5.14"
Humidity: 85%
Dew Point: 35 °F
Wind: 36 mph
Pressure: 29.70 "Hg
Visibility: 13 mi
March Climate & Weather Averages in Unst
High Temp: 44 °F
Low Temp: 37 °F
Mean Temp: 41 °F
Precipitation: 4.07"
Humidity: 83%
Dew Point: 36 °F
Wind: 35 mph
Pressure: 29.82 "Hg
Visibility: 14 mi
April Climate & Weather Averages in Unst
High Temp: 46 °F
Low Temp: 38 °F
Mean Temp: 42 °F
Precipitation: 2.51"
Humidity: 83%
Dew Point: 37 °F
Wind: 30 mph
Pressure: 29.93 "Hg
Visibility: 17 mi
May Climate & Weather Averages in Unst
High Temp: 50 °F
Low Temp: 42 °F
Mean Temp: 46 °F
Precipitation: 2.39"
Humidity: 85%
Dew Point: 41 °F
Wind: 26 mph
Pressure: 29.95 "Hg
Visibility: 16 mi
June Climate & Weather Averages in Unst
High Temp: 55 °F
Low Temp: 47 °F
Mean Temp: 51 °F
Precipitation: 2.11"
Humidity: 86%
Dew Point: 47 °F
Wind: 26 mph
Pressure: 29.94 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Unst
High Temp: 58 °F
Low Temp: 50 °F
Mean Temp: 54 °F
Precipitation: 2.69"
Humidity: 90%
Dew Point: 51 °F
Wind: 24 mph
Pressure: 29.88 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Unst
High Temp: 58 °F
Low Temp: 51 °F
Mean Temp: 54 °F
Precipitation: 4.13"
Humidity: 89%
Dew Point: 51 °F
Wind: 24 mph
Pressure: 29.84 "Hg
Visibility: 16 mi
September Climate & Weather Averages in Unst
High Temp: 55 °F
Low Temp: 48 °F
Mean Temp: 52 °F
Precipitation: 4.51"
Humidity: 89%
Dew Point: 49 °F
Wind: 30 mph
Pressure: 29.85 "Hg
Visibility: 13 mi
October Climate & Weather Averages in Unst
High Temp: 51 °F
Low Temp: 44 °F
Mean Temp: 48 °F
Precipitation: 5.28"
Humidity: 87%
Dew Point: 44 °F
Wind: 32 mph
Pressure: 29.78 "Hg
Visibility: 15 mi
November Climate & Weather Averages in Unst
High Temp: 47 °F
Low Temp: 40 °F
Mean Temp: 43 °F
Precipitation: 5.28"
Humidity: 85%
Dew Point: 39 °F
Wind: 35 mph
Pressure: 29.70 "Hg
Visibility: 15 mi
December Climate & Weather Averages in Unst
High Temp: 45 °F
Low Temp: 38 °F
Mean Temp: 41 °F
Precipitation: 5.86"
Humidity: 86%
Dew Point: 38 °F
Wind: 38 mph
Pressure: 29.60 "Hg
Visibility: 15 mi