Weather World
Hyannis Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 36°F Lo 20°F | Hi 39°F Lo 21°F | Hi 51°F Lo 30°F | Hi 58°F Lo 37°F | Hi 67°F Lo 46°F | Hi 81°F Lo 58°F | Hi 88°F Lo 64°F | Hi 86°F Lo 62°F | Hi 79°F Lo 55°F | Hi 61°F Lo 40°F | Hi 49°F Lo 30°F | Hi 37°F Lo 22°F |
| 11 mph | 12 mph | 12 mph | 13 mph | 12 mph | 11 mph | 10 mph | 10 mph | 11 mph | 12 mph | 11 mph | 12 mph |
| 0.5 in | 0.8 in | 1.8 in | 2.7 in | 5.1 in | 3.1 in | 2.3 in | 1.9 in | 1.4 in | 1.5 in | 0.8 in | 0.7 in |
| 71% | 68% | 59% | 57% | 60% | 55% | 50% | 48% | 47% | 53% | 57% | 66% |
| 35% | 39% | 36% | 37% | 37% | 26% | 23% | 21% | 20% | 26% | 28% | 34% |
| 30.1 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 29.8 in | 30.0 in | 30.1 in |
| 25 | 21 | 23 | 22 | 22 | 23 | 23 | 24 | 27 | 26 | 25 | 25 |
| 4 | 4 | 4 | 6 | 9 | 7 | 8 | 7 | 3 | 4 | 3 | 4 |
| 2 | 3 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 2 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 3 | 2 | 1 |
| 216 | 176 | 218 | 207 | 215 | 267 | 289 | 295 | 286 | 256 | 252 | 232 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -7°C | Hi 4°C Lo -6°C | Hi 11°C Lo -1°C | Hi 14°C Lo 3°C | Hi 19°C Lo 8°C | Hi 27°C Lo 15°C | Hi 31°C Lo 18°C | Hi 30°C Lo 17°C | Hi 26°C Lo 13°C | Hi 16°C Lo 5°C | Hi 10°C Lo -1°C | Hi 3°C Lo -6°C |
| 18 km/h | 19 km/h | 19 km/h | 21 km/h | 19 km/h | 17 km/h | 16 km/h | 16 km/h | 17 km/h | 19 km/h | 18 km/h | 19 km/h |
| 12 mm | 21 mm | 46 mm | 68 mm | 130 mm | 78 mm | 58 mm | 48 mm | 35 mm | 37 mm | 21 mm | 18 mm |
| 71% | 68% | 59% | 57% | 60% | 55% | 50% | 48% | 47% | 53% | 57% | 66% |
| 35% | 39% | 36% | 37% | 37% | 26% | 23% | 21% | 20% | 26% | 28% | 34% |
| 1020 mb | 1019 mb | 1015 mb | 1013 mb | 1012 mb | 1010 mb | 1012 mb | 1013 mb | 1013 mb | 1011 mb | 1017 mb | 1019 mb |
| 25 | 21 | 23 | 22 | 22 | 23 | 23 | 24 | 27 | 26 | 25 | 25 |
| 4 | 4 | 4 | 6 | 9 | 7 | 8 | 7 | 3 | 4 | 3 | 4 |
| 2 | 3 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2 | 2 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 3 | 2 | 1 |
| 216 | 176 | 218 | 207 | 215 | 267 | 289 | 295 | 286 | 256 | 252 | 232 |
| 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.