WeatherWX.com
Dennis Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 49°F Lo 34°F | Hi 54°F Lo 38°F | Hi 63°F Lo 45°F | Hi 71°F Lo 52°F | Hi 79°F Lo 61°F | Hi 88°F Lo 68°F | Hi 90°F Lo 71°F | Hi 89°F Lo 70°F | Hi 84°F Lo 65°F | Hi 73°F Lo 54°F | Hi 60°F Lo 43°F | Hi 53°F Lo 39°F |
| 7 mph | 8 mph | 8 mph | 8 mph | 6 mph | 5 mph | 5 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph |
| 5.3 in | 6.4 in | 6.6 in | 6.9 in | 5.1 in | 4.1 in | 5.2 in | 4.1 in | 4.6 in | 4.5 in | 4.1 in | 6.4 in |
| 76% | 78% | 78% | 75% | 76% | 74% | 75% | 74% | 73% | 71% | 73% | 79% |
| 47% | 51% | 47% | 38% | 38% | 33% | 37% | 35% | 31% | 32% | 35% | 49% |
| 30.2 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.2 in | 30.1 in |
| 23 | 19 | 22 | 23 | 21 | 19 | 18 | 19 | 23 | 25 | 24 | 22 |
| 7 | 8 | 8 | 7 | 10 | 11 | 13 | 12 | 8 | 6 | 6 | 8 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 2 |
| 173 | 143 | 161 | 197 | 203 | 213 | 201 | 208 | 225 | 234 | 215 | 159 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 10°C Lo 1°C | Hi 12°C Lo 3°C | Hi 17°C Lo 7°C | Hi 22°C Lo 11°C | Hi 26°C Lo 16°C | Hi 31°C Lo 20°C | Hi 32°C Lo 22°C | Hi 32°C Lo 21°C | Hi 29°C Lo 18°C | Hi 23°C Lo 12°C | Hi 16°C Lo 6°C | Hi 12°C Lo 4°C |
| 12 km/h | 12 km/h | 12 km/h | 12 km/h | 10 km/h | 8 km/h | 8 km/h | 8 km/h | 8 km/h | 10 km/h | 11 km/h | 12 km/h |
| 135 mm | 163 mm | 168 mm | 175 mm | 129 mm | 103 mm | 132 mm | 103 mm | 118 mm | 115 mm | 103 mm | 163 mm |
| 76% | 78% | 78% | 75% | 76% | 74% | 75% | 74% | 73% | 71% | 73% | 79% |
| 47% | 51% | 47% | 38% | 38% | 33% | 37% | 35% | 31% | 32% | 35% | 49% |
| 1021 mb | 1020 mb | 1019 mb | 1016 mb | 1016 mb | 1015 mb | 1016 mb | 1015 mb | 1016 mb | 1017 mb | 1021 mb | 1021 mb |
| 23 | 19 | 22 | 23 | 21 | 19 | 18 | 19 | 23 | 25 | 24 | 22 |
| 7 | 8 | 8 | 7 | 10 | 11 | 13 | 12 | 8 | 6 | 6 | 8 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 2 |
| 173 | 143 | 161 | 197 | 203 | 213 | 201 | 208 | 225 | 234 | 215 | 159 |
| 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.