World > North America > Canada > New Brunswick
St. John, NB Climate Averages
EUMETNETSt. John Monthly Averages
12 Month Weather Scroll °F 
°C
°C
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 17°F | Hi 28°F Lo 17°F | Hi 35°F Lo 24°F | Hi 45°F Lo 33°F | Hi 55°F Lo 42°F | Hi 63°F Lo 50°F | Hi 70°F Lo 57°F | Hi 71°F Lo 57°F | Hi 65°F Lo 52°F | Hi 54°F Lo 43°F | Hi 44°F Lo 34°F | Hi 34°F Lo 25°F |
| 12 mph | 12 mph | 12 mph | 10 mph | 9 mph | 8 mph | 8 mph | 8 mph | 9 mph | 11 mph | 11 mph | 12 mph |
| 7.5 in | 7.1 in | 6 in | 6.1 in | 6.1 in | 5.8 in | 3.4 in | 3.4 in | 4.6 in | 6.2 in | 7.7 in | 9.7 in |
| 85% | 86% | 83% | 81% | 81% | 82% | 83% | 82% | 81% | 80% | 80% | 82% |
| 60% | 64% | 58% | 56% | 52% | 46% | 41% | 35% | 38% | 45% | 51% | 60% |
| 30.4 in | 30.4 in | 30.5 in | 30.4 in | 30.5 in | 30.4 in | 30.4 in | 30.4 in | 30.5 in | 30.5 in | 30.5 in | 30.4 in |
| 7 | 6 | 8 | 7 | 9 | 10 | 12 | 15 | 14 | 12 | 11 | 8 |
| 13 | 12 | 14 | 19 | 19 | 17 | 16 | 13 | 14 | 17 | 14 | 16 |
| 20 | 19 | 17 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 16 |
| 0 | 0 | 0 | 2 | 3 | 4 | 6 | 5 | 3 | 1 | 0 | 0 |
| 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 2 | 2 | 1 |
| 201 | 166 | 209 | 226 | 253 | 263 | 299 | 320 | 288 | 265 | 227 | 198 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -9°C | Hi -2°C Lo -9°C | Hi 2°C Lo -5°C | Hi 7°C Lo 1°C | Hi 13°C Lo 6°C | Hi 17°C Lo 10°C | Hi 21°C Lo 14°C | Hi 22°C Lo 14°C | Hi 18°C Lo 11°C | Hi 12°C Lo 6°C | Hi 6°C Lo 1°C | Hi 1°C Lo -4°C |
| 19 km/h | 19 km/h | 19 km/h | 17 km/h | 14 km/h | 13 km/h | 12 km/h | 12 km/h | 14 km/h | 17 km/h | 18 km/h | 19 km/h |
| 192 mm | 180 mm | 151 mm | 155 mm | 156 mm | 147 mm | 85 mm | 85 mm | 116 mm | 157 mm | 195 mm | 246 mm |
| 85% | 86% | 83% | 81% | 81% | 82% | 83% | 82% | 81% | 80% | 80% | 82% |
| 60% | 64% | 58% | 56% | 52% | 46% | 41% | 35% | 38% | 45% | 51% | 60% |
| 1013 mb | 1013 mb | 1015 mb | 1014 mb | 1016 mb | 1013 mb | 1013 mb | 1014 mb | 1017 mb | 1016 mb | 1016 mb | 1015 mb |
| 7 | 6 | 8 | 7 | 9 | 10 | 12 | 15 | 14 | 12 | 11 | 8 |
| 13 | 12 | 14 | 19 | 19 | 17 | 16 | 13 | 14 | 17 | 14 | 16 |
| 20 | 19 | 17 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 16 |
| 0 | 0 | 0 | 2 | 3 | 4 | 6 | 5 | 3 | 1 | 0 | 0 |
| 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 2 | 2 | 1 |
| 201 | 166 | 209 | 226 | 253 | 263 | 299 | 320 | 288 | 265 | 227 | 198 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Barometric Pressure |
| Average Dry Days |
| Avg. Precip. Days |
| Average Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
