Weather World
Bethlehem Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 79°F Lo 57°F | Hi 78°F Lo 56°F | Hi 76°F Lo 54°F | Hi 69°F Lo 49°F | Hi 65°F Lo 43°F | Hi 59°F Lo 37°F | Hi 59°F Lo 36°F | Hi 65°F Lo 40°F | Hi 73°F Lo 47°F | Hi 76°F Lo 50°F | Hi 77°F Lo 52°F | Hi 78°F Lo 55°F |
| 7 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 8 mph | 8 mph | 8 mph | 7 mph |
| 5.9 in | 3.8 in | 3.2 in | 3.1 in | 0.8 in | 0.7 in | 0.3 in | 0.6 in | 0.9 in | 2.9 in | 4.6 in | 6.1 in |
| 64% | 65% | 63% | 60% | 51% | 50% | 45% | 40% | 39% | 49% | 57% | 62% |
| 35% | 33% | 28% | 26% | 12% | 10% | 8% | 10% | 14% | 23% | 28% | 35% |
| 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.2 in | 30.2 in | 30.3 in | 30.2 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in |
| 19 | 19 | 24 | 24 | 29 | 29 | 30 | 29 | 27 | 25 | 21 | 18 |
| 12 | 9 | 7 | 6 | 2 | 1 | 1 | 2 | 3 | 6 | 9 | 13 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 5 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 |
| 232 | 216 | 267 | 261 | 318 | 314 | 332 | 326 | 306 | 269 | 256 | 233 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 26°C Lo 14°C | Hi 26°C Lo 13°C | Hi 25°C Lo 12°C | Hi 21°C Lo 9°C | Hi 18°C Lo 6°C | Hi 15°C Lo 3°C | Hi 15°C Lo 2°C | Hi 19°C Lo 5°C | Hi 23°C Lo 8°C | Hi 24°C Lo 10°C | Hi 25°C Lo 11°C | Hi 26°C Lo 13°C |
| 11 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 10 km/h | 11 km/h | 13 km/h | 13 km/h | 13 km/h | 12 km/h |
| 149 mm | 97 mm | 80 mm | 78 mm | 21 mm | 17 mm | 8 mm | 14 mm | 23 mm | 73 mm | 117 mm | 156 mm |
| 64% | 65% | 63% | 60% | 51% | 50% | 45% | 40% | 39% | 49% | 57% | 62% |
| 35% | 33% | 28% | 26% | 12% | 10% | 8% | 10% | 14% | 23% | 28% | 35% |
| 1014 mb | 1015 mb | 1017 mb | 1020 mb | 1022 mb | 1024 mb | 1025 mb | 1022 mb | 1019 mb | 1016 mb | 1015 mb | 1014 mb |
| 19 | 19 | 24 | 24 | 29 | 29 | 30 | 29 | 27 | 25 | 21 | 18 |
| 12 | 9 | 7 | 6 | 2 | 1 | 1 | 2 | 3 | 6 | 9 | 13 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 5 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 |
| 232 | 216 | 267 | 261 | 318 | 314 | 332 | 326 | 306 | 269 | 256 | 233 |
| 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.