WeatherWX.comTrenton Municipal Airport Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 17°F | Hi 28°F Lo 16°F | Hi 34°F Lo 22°F | Hi 45°F Lo 32°F | Hi 57°F Lo 40°F | Hi 66°F Lo 49°F | Hi 74°F Lo 57°F | Hi 75°F Lo 58°F | Hi 67°F Lo 52°F | Hi 55°F Lo 43°F | Hi 44°F Lo 34°F | Hi 34°F Lo 26°F |
| 11 mph | 10 mph | 10 mph | 10 mph | 9 mph | 8 mph | 8 mph | 8 mph | 9 mph | 9 mph | 10 mph | 11 mph |
| 5.3 in | 6 in | 4.9 in | 4.6 in | 4.6 in | 6.1 in | 4.3 in | 4.3 in | 4.5 in | 5.6 in | 6.4 in | 6.3 in |
| 88% | 89% | 87% | 83% | 79% | 80% | 80% | 79% | 80% | 82% | 82% | 83% |
| 73% | 74% | 70% | 65% | 56% | 51% | 47% | 39% | 44% | 52% | 61% | 71% |
| 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in |
| 4 | 2 | 5 | 13 | 22 | 23 | 25 | 26 | 24 | 23 | 12 | 6 |
| 7 | 6 | 9 | 10 | 9 | 7 | 6 | 5 | 6 | 7 | 10 | 10 |
| 21 | 21 | 18 | 7 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 16 |
| 3 | 6 | 4 | 5 | 5 | 6 | 6 | 5 | 3 | 2 | 2 | 2 |
| 1 | 1 | 1 | 2 | 4 | 4 | 5 | 5 | 4 | 2 | 1 | 1 |
| 142 | 127 | 160 | 184 | 221 | 230 | 267 | 296 | 250 | 234 | 187 | 148 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -8°C | Hi -2°C Lo -9°C | Hi 1°C Lo -6°C | Hi 7°C Lo -0°C | Hi 14°C Lo 5°C | Hi 19°C Lo 10°C | Hi 23°C Lo 14°C | Hi 24°C Lo 14°C | Hi 20°C Lo 11°C | Hi 13°C Lo 6°C | Hi 7°C Lo 1°C | Hi 1°C Lo -4°C |
| 17 km/h | 17 km/h | 16 km/h | 16 km/h | 14 km/h | 13 km/h | 12 km/h | 12 km/h | 14 km/h | 15 km/h | 17 km/h | 18 km/h |
| 135 mm | 153 mm | 124 mm | 118 mm | 118 mm | 156 mm | 109 mm | 109 mm | 114 mm | 142 mm | 163 mm | 160 mm |
| 88% | 89% | 87% | 83% | 79% | 80% | 80% | 79% | 80% | 82% | 82% | 83% |
| 73% | 74% | 70% | 65% | 56% | 51% | 47% | 39% | 44% | 52% | 61% | 71% |
| 1012 mb | 1013 mb | 1014 mb | 1014 mb | 1016 mb | 1013 mb | 1014 mb | 1014 mb | 1017 mb | 1015 mb | 1015 mb | 1014 mb |
| 4 | 2 | 5 | 13 | 22 | 23 | 25 | 26 | 24 | 23 | 12 | 6 |
| 7 | 6 | 9 | 10 | 9 | 7 | 6 | 5 | 6 | 7 | 10 | 10 |
| 21 | 21 | 18 | 7 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 16 |
| 3 | 6 | 4 | 5 | 5 | 6 | 6 | 5 | 3 | 2 | 2 | 2 |
| 1 | 1 | 1 | 2 | 4 | 4 | 5 | 5 | 4 | 2 | 1 | 1 |
| 142 | 127 | 160 | 184 | 221 | 230 | 267 | 296 | 250 | 234 | 187 | 148 |
| 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.
