Weather World
City of Saint John, NB
St. John Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 30°F Lo 17°F | Hi 30°F Lo 18°F | Hi 36°F Lo 25°F | Hi 46°F Lo 34°F | Hi 56°F Lo 43°F | Hi 63°F Lo 51°F | Hi 70°F Lo 58°F | Hi 71°F Lo 58°F | Hi 65°F Lo 53°F | Hi 55°F Lo 45°F | Hi 45°F Lo 34°F | Hi 36°F Lo 25°F |
| 12 mph | 12 mph | 12 mph | 10 mph | 9 mph | 8 mph | 8 mph | 7 mph | 8 mph | 10 mph | 11 mph | 12 mph |
| 4.9 in | 4.6 in | 6.3 in | 5.8 in | 4.8 in | 5.5 in | 4.5 in | 4.4 in | 4.5 in | 5.3 in | 6 in | 8 in |
| 82% | 83% | 81% | 79% | 80% | 82% | 83% | 83% | 81% | 80% | 79% | 80% |
| 59% | 62% | 61% | 58% | 54% | 51% | 47% | 44% | 43% | 48% | 51% | 58% |
| 29.9 in | 29.9 in | 30.0 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 | 30.0 in |
| 15 | 13 | 17 | 20 | 23 | 22 | 24 | 25 | 24 | 24 | 21 | 16 |
| 10 | 8 | 9 | 8 | 8 | 8 | 7 | 6 | 6 | 7 | 7 | 10 |
| 6 | 8 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 0 | 0 |
| 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 |
| 119 | 92 | 108 | 118 | 135 | 152 | 179 | 196 | 190 | 166 | 145 | 125 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -1°C Lo -8°C | Hi -1°C Lo -8°C | Hi 2°C Lo -4°C | Hi 8°C Lo 1°C | Hi 13°C Lo 6°C | Hi 18°C Lo 10°C | Hi 21°C Lo 14°C | Hi 22°C Lo 15°C | Hi 18°C Lo 12°C | Hi 13°C Lo 7°C | Hi 7°C Lo 1°C | Hi 2°C Lo -4°C |
| 19 km/h | 19 km/h | 18 km/h | 16 km/h | 14 km/h | 13 km/h | 12 km/h | 12 km/h | 14 km/h | 16 km/h | 18 km/h | 19 km/h |
| 125 mm | 117 mm | 159 mm | 147 mm | 122 mm | 140 mm | 114 mm | 111 mm | 115 mm | 136 mm | 152 mm | 203 mm |
| 82% | 83% | 81% | 79% | 80% | 82% | 83% | 83% | 81% | 80% | 79% | 80% |
| 59% | 62% | 61% | 58% | 54% | 51% | 47% | 44% | 43% | 48% | 51% | 58% |
| 101.3 kPa | 101.4 kPa | 101.5 kPa | 101.4 kPa | 101.5 kPa | 101.3 kPa | 101.3 kPa | 101.5 kPa | 101.7 kPa | 101.6 kPa | 101.5 kPa | 101.5 kPa |
| 15 | 13 | 17 | 20 | 23 | 22 | 24 | 25 | 24 | 24 | 21 | 16 |
| 10 | 8 | 9 | 8 | 8 | 8 | 7 | 6 | 6 | 7 | 7 | 10 |
| 6 | 8 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 0 | 0 |
| 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 |
| 119 | 92 | 108 | 118 | 135 | 152 | 179 | 196 | 190 | 166 | 145 | 125 |
| 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.