WeatherWorld.comPorter Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 61°F Lo 45°F | Hi 64°F Lo 48°F | Hi 72°F Lo 55°F | Hi 78°F Lo 60°F | Hi 86°F Lo 68°F | Hi 92°F Lo 74°F | Hi 94°F Lo 76°F | Hi 95°F Lo 76°F | Hi 89°F Lo 72°F | Hi 81°F Lo 63°F | Hi 70°F Lo 53°F | Hi 64°F Lo 49°F |
| 7 mph | 7 mph | 7 mph | 8 mph | 7 mph | 6 mph | 6 mph | 5 mph | 5 mph | 6 mph | 6 mph | 7 mph |
| 4.2 in | 3.2 in | 4.1 in | 5.1 in | 6.5 in | 4.4 in | 4.2 in | 4.6 in | 4.9 in | 4.3 in | 3.9 in | 4.3 in |
| 74% | 78% | 76% | 74% | 74% | 72% | 72% | 69% | 72% | 69% | 73% | 76% |
| 41% | 51% | 47% | 45% | 42% | 35% | 33% | 30% | 34% | 30% | 40% | 47% |
| 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 24 | 21 | 24 | 22 | 21 | 19 | 18 | 19 | 19 | 24 | 24 | 25 |
| 6 | 7 | 7 | 8 | 10 | 11 | 13 | 12 | 11 | 7 | 6 | 6 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 3 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 6 | 5 | 4 | 3 |
| 195 | 133 | 167 | 174 | 182 | 199 | 206 | 231 | 200 | 233 | 180 | 166 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 16°C Lo 7°C | Hi 18°C Lo 9°C | Hi 22°C Lo 13°C | Hi 26°C Lo 16°C | Hi 30°C Lo 20°C | Hi 33°C Lo 23°C | Hi 34°C Lo 24°C | Hi 35°C Lo 24°C | Hi 32°C Lo 22°C | Hi 28°C Lo 17°C | Hi 21°C Lo 12°C | Hi 18°C Lo 9°C |
| 11 km/h | 11 km/h | 11 km/h | 12 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 10 km/h | 10 km/h | 11 km/h |
| 107 mm | 82 mm | 104 mm | 129 mm | 164 mm | 112 mm | 107 mm | 118 mm | 123 mm | 110 mm | 100 mm | 110 mm |
| 74% | 78% | 76% | 74% | 74% | 72% | 72% | 69% | 72% | 69% | 73% | 76% |
| 41% | 51% | 47% | 45% | 42% | 35% | 33% | 30% | 34% | 30% | 40% | 47% |
| 1021 mb | 1019 mb | 1017 mb | 1014 mb | 1014 mb | 1013 mb | 1015 mb | 1014 mb | 1014 mb | 1016 mb | 1020 mb | 1020 mb |
| 24 | 21 | 24 | 22 | 21 | 19 | 18 | 19 | 19 | 24 | 24 | 25 |
| 6 | 7 | 7 | 8 | 10 | 11 | 13 | 12 | 11 | 7 | 6 | 6 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 3 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 6 | 5 | 4 | 3 |
| 195 | 133 | 167 | 174 | 182 | 199 | 206 | 231 | 200 | 233 | 180 | 166 |
| 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.