Weather World
Stornoway Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 45°F Lo 40°F | Hi 45°F Lo 40°F | Hi 46°F Lo 41°F | Hi 49°F Lo 43°F | Hi 53°F Lo 47°F | Hi 57°F Lo 51°F | Hi 59°F Lo 53°F | Hi 59°F Lo 54°F | Hi 57°F Lo 52°F | Hi 53°F Lo 48°F | Hi 49°F Lo 45°F | Hi 46°F Lo 41°F |
| 18 mph | 18 mph | 16 mph | 14 mph | 13 mph | 12 mph | 11 mph | 13 mph | 15 mph | 16 mph | 16 mph | 17 mph |
| 4 in | 3.4 in | 3.9 in | 2.9 in | 3.3 in | 2.9 in | 4 in | 4.3 in | 4 in | 4.7 in | 4.3 in | 4.5 in |
| 77% | 77% | 77% | 77% | 78% | 82% | 84% | 83% | 82% | 79% | 76% | 76% |
| 70% | 68% | 67% | 60% | 61% | 64% | 65% | 63% | 65% | 66% | 66% | 69% |
| 29.7 in | 29.7 in | 29.8 in | 29.9 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in | 29.8 in | 29.8 in | 29.7 in | 29.7 in |
| 20 | 18 | 20 | 22 | 22 | 23 | 20 | 19 | 20 | 19 | 19 | 19 |
| 10 | 9 | 10 | 8 | 9 | 7 | 11 | 12 | 10 | 12 | 10 | 11 |
| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| 60 | 60 | 69 | 99 | 92 | 75 | 64 | 77 | 75 | 76 | 69 | 66 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo 5°C | Hi 7°C Lo 5°C | Hi 8°C Lo 5°C | Hi 10°C Lo 6°C | Hi 12°C Lo 8°C | Hi 14°C Lo 10°C | Hi 15°C Lo 12°C | Hi 15°C Lo 12°C | Hi 14°C Lo 11°C | Hi 12°C Lo 9°C | Hi 10°C Lo 7°C | Hi 8°C Lo 5°C |
| 18 mph | 18 mph | 16 mph | 14 mph | 13 mph | 12 mph | 11 mph | 13 mph | 15 mph | 16 mph | 16 mph | 17 mph |
| 101 mm | 87 mm | 98 mm | 73 mm | 85 mm | 74 mm | 101 mm | 110 mm | 102 mm | 119 mm | 109 mm | 115 mm |
| 77% | 77% | 77% | 77% | 78% | 82% | 84% | 83% | 82% | 79% | 76% | 76% |
| 70% | 68% | 67% | 60% | 61% | 64% | 65% | 63% | 65% | 66% | 66% | 69% |
| 1006 mb | 1006 mb | 1010 mb | 1014 mb | 1014 mb | 1014 mb | 1012 mb | 1010 mb | 1011 mb | 1008 mb | 1005 mb | 1004 mb |
| 20 | 18 | 20 | 22 | 22 | 23 | 20 | 19 | 20 | 19 | 19 | 19 |
| 10 | 9 | 10 | 8 | 9 | 7 | 11 | 12 | 10 | 12 | 10 | 11 |
| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| 60 | 60 | 69 | 99 | 92 | 75 | 64 | 77 | 75 | 76 | 69 | 66 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.