Weather World
Derry Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 44°F Lo 35°F | Hi 46°F Lo 36°F | Hi 48°F Lo 37°F | Hi 53°F Lo 39°F | Hi 57°F Lo 44°F | Hi 62°F Lo 48°F | Hi 64°F Lo 51°F | Hi 63°F Lo 51°F | Hi 60°F Lo 49°F | Hi 55°F Lo 45°F | Hi 48°F Lo 40°F | Hi 45°F Lo 37°F |
| 12 mph | 12 mph | 11 mph | 10 mph | 9 mph | 8 mph | 8 mph | 9 mph | 10 mph | 11 mph | 11 mph | 12 mph |
| 3.5 in | 3.4 in | 2.9 in | 2.6 in | 3.1 in | 3.2 in | 3.6 in | 4 in | 3.2 in | 3.9 in | 4.2 in | 4.3 in |
| 88% | 86% | 84% | 82% | 83% | 84% | 86% | 86% | 87% | 88% | 88% | 88% |
| 71% | 70% | 68% | 62% | 65% | 69% | 71% | 70% | 67% | 70% | 71% | 70% |
| 29.8 in | 29.8 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.8 in | 29.8 in | 29.8 in |
| 17 | 16 | 21 | 23 | 23 | 22 | 22 | 21 | 22 | 21 | 19 | 17 |
| 12 | 10 | 9 | 7 | 8 | 8 | 9 | 10 | 8 | 10 | 11 | 13 |
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 1 |
| 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| 61 | 54 | 67 | 85 | 76 | 61 | 47 | 48 | 63 | 57 | 55 | 66 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo 2°C | Hi 8°C Lo 2°C | Hi 9°C Lo 3°C | Hi 12°C Lo 4°C | Hi 14°C Lo 7°C | Hi 17°C Lo 9°C | Hi 18°C Lo 11°C | Hi 17°C Lo 11°C | Hi 16°C Lo 9°C | Hi 13°C Lo 7°C | Hi 9°C Lo 5°C | Hi 7°C Lo 3°C |
| 12 mph | 12 mph | 11 mph | 10 mph | 9 mph | 8 mph | 8 mph | 9 mph | 10 mph | 11 mph | 11 mph | 12 mph |
| 90 mm | 87 mm | 75 mm | 65 mm | 78 mm | 81 mm | 90 mm | 102 mm | 81 mm | 98 mm | 106 mm | 109 mm |
| 88% | 86% | 84% | 82% | 83% | 84% | 86% | 86% | 87% | 88% | 88% | 88% |
| 71% | 70% | 68% | 62% | 65% | 69% | 71% | 70% | 67% | 70% | 71% | 70% |
| 1010 mb | 1010 mb | 1012 mb | 1015 mb | 1015 mb | 1015 mb | 1014 mb | 1012 mb | 1014 mb | 1010 mb | 1008 mb | 1008 mb |
| 17 | 16 | 21 | 23 | 23 | 22 | 22 | 21 | 22 | 21 | 19 | 17 |
| 12 | 10 | 9 | 7 | 8 | 8 | 9 | 10 | 8 | 10 | 11 | 13 |
| 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 1 |
| 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| 61 | 54 | 67 | 85 | 76 | 61 | 47 | 48 | 63 | 57 | 55 | 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.