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Kirkwall 1981–2010 averages
| Max Temp | Min Temp | Days of Air Frost |
Sunshine | Rainfall | Days of Rainfall ≥ 1mm |
Wind at 10 m | |
|---|---|---|---|---|---|---|---|
| Month | [°C] | [°C] | [days] | [hours] | [mm] | [days] | [knots] |
| Jan | 6.4 | 1.9 | 6.0 | 32.2 | 109.7 | 20.1 | 16.4 |
| Feb | 6.4 | 1.7 | 5.9 | 59.3 | 93.3 | 16.8 | 16.0 |
| Mar | 7.6 | 2.4 | 5.1 | 98.2 | 95.7 | 17.9 | 15.4 |
| Apr | 9.5 | 3.8 | 2.3 | 136.8 | 60.3 | 13.4 | 13.5 |
| May | 12.0 | 5.6 | 0.5 | 190.0 | 48.0 | 10.6 | 11.9 |
| Jun | 14.0 | 8.1 | 0.0 | 148.6 | 52.7 | 10.7 | 11.3 |
| Jul | 15.9 | 10.2 | 0.0 | 132.2 | 57.4 | 11.6 | 10.8 |
| Aug | 16.0 | 10.3 | 0.0 | 129.7 | 66.3 | 12.5 | 10.9 |
| Sep | 14.1 | 8.8 | 0.0 | 105.3 | 95.3 | 16.2 | 12.6 |
| Oct | 11.4 | 6.7 | 0.1 | 75.8 | 126.0 | 19.6 | 14.4 |
| Nov | 8.6 | 4.2 | 1.6 | 40.1 | 126.0 | 20.8 | 14.9 |
| Dec | 6.8 | 2.3 | 5.8 | 24.5 | 107.8 | 18.5 | 14.5 |
| Year | 10.7 | 5.5 | 27.3 | 1172.4 | 1038.5 | 188.7 | 13.5 |
