Lower Gwynedd Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 38°F Lo 26°F | Hi 41°F Lo 27°F | Hi 51°F Lo 35°F | Hi 62°F Lo 45°F | Hi 72°F Lo 55°F | Hi 81°F Lo 63°F | Hi 87°F Lo 70°F | Hi 84°F Lo 68°F | Hi 78°F Lo 62°F | Hi 65°F Lo 51°F | Hi 53°F Lo 39°F | Hi 44°F Lo 32°F |
| 8 mph | 8 mph | 9 mph | 8 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 8 mph | 8 mph |
| 3.3 in | 4.3 in | 4.2 in | 4.3 in | 4.9 in | 5.2 in | 5.1 in | 5 in | 4.4 in | 4.6 in | 3.4 in | 5.1 in |
| 73% | 75% | 70% | 69% | 73% | 72% | 70% | 69% | 72% | 72% | 70% | 75% |
| 45% | 48% | 46% | 46% | 47% | 38% | 36% | 35% | 38% | 39% | 36% | 48% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.0 in | 30.1 in | 30.1 in |
| 20 | 18 | 22 | 23 | 23 | 21 | 21 | 23 | 24 | 25 | 25 | 22 |
| 7 | 7 | 8 | 7 | 8 | 9 | 10 | 8 | 6 | 6 | 5 | 7 |
| 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
| 1 | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
| 167 | 146 | 165 | 162 | 174 | 207 | 224 | 222 | 203 | 191 | 203 | 165 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 3°C Lo -4°C | Hi 5°C Lo -3°C | Hi 10°C Lo 2°C | Hi 17°C Lo 7°C | Hi 22°C Lo 13°C | Hi 27°C Lo 17°C | Hi 30°C Lo 21°C | Hi 29°C Lo 20°C | Hi 25°C Lo 16°C | Hi 19°C Lo 10°C | Hi 12°C Lo 4°C | Hi 6°C Lo 0°C |
| 13 km/h | 13 km/h | 14 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 11 km/h | 12 km/h | 12 km/h |
| 85 mm | 108 mm | 107 mm | 109 mm | 125 mm | 133 mm | 129 mm | 127 mm | 113 mm | 117 mm | 85 mm | 131 mm |
| 73% | 75% | 70% | 69% | 73% | 72% | 70% | 69% | 72% | 72% | 70% | 75% |
| 45% | 48% | 46% | 46% | 47% | 38% | 36% | 35% | 38% | 39% | 36% | 48% |
| 1018 mb | 1018 mb | 1018 mb | 1016 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1018 mb | 1018 mb | 1020 mb | 1019 mb |
| 20 | 18 | 22 | 23 | 23 | 21 | 21 | 23 | 24 | 25 | 25 | 22 |
| 7 | 7 | 8 | 7 | 8 | 9 | 10 | 8 | 6 | 6 | 5 | 7 |
| 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
| 1 | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
| 167 | 146 | 165 | 162 | 174 | 207 | 224 | 222 | 203 | 191 | 203 | 165 |
| 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.
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