Weather World
Costilow Lake Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 52°F Lo 37°F | Hi 57°F Lo 41°F | Hi 66°F Lo 48°F | Hi 74°F Lo 55°F | Hi 82°F Lo 63°F | Hi 89°F Lo 71°F | Hi 91°F Lo 73°F | Hi 91°F Lo 72°F | Hi 87°F Lo 67°F | Hi 77°F Lo 57°F | Hi 64°F Lo 47°F | Hi 57°F Lo 42°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 7 mph | 8 mph |
| 6.2 in | 6.6 in | 7.4 in | 6.6 in | 6.3 in | 4.4 in | 4.6 in | 4 in | 4.1 in | 4.6 in | 4 in | 6.2 in |
| 76% | 79% | 77% | 75% | 75% | 73% | 73% | 71% | 69% | 66% | 71% | 77% |
| 45% | 49% | 46% | 38% | 37% | 32% | 34% | 33% | 30% | 28% | 36% | 48% |
| 30.2 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 23 | 20 | 23 | 23 | 22 | 21 | 20 | 19 | 23 | 26 | 24 | 24 |
| 7 | 7 | 8 | 7 | 9 | 9 | 11 | 12 | 7 | 5 | 5 | 7 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 |
| 3 | 3 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 182 | 147 | 158 | 193 | 190 | 206 | 191 | 219 | 228 | 234 | 207 | 166 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 11°C Lo 3°C | Hi 14°C Lo 5°C | Hi 19°C Lo 9°C | Hi 23°C Lo 13°C | Hi 28°C Lo 17°C | Hi 32°C Lo 22°C | Hi 33°C Lo 23°C | Hi 33°C Lo 22°C | Hi 31°C Lo 20°C | Hi 25°C Lo 14°C | Hi 18°C Lo 8°C | Hi 14°C Lo 5°C |
| 13 km/h | 13 km/h | 13 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 11 km/h | 12 km/h | 12 km/h |
| 157 mm | 166 mm | 187 mm | 167 mm | 161 mm | 113 mm | 118 mm | 100 mm | 103 mm | 117 mm | 101 mm | 158 mm |
| 76% | 79% | 77% | 75% | 75% | 73% | 73% | 71% | 69% | 66% | 71% | 77% |
| 45% | 49% | 46% | 38% | 37% | 32% | 34% | 33% | 30% | 28% | 36% | 48% |
| 1022 mb | 1020 mb | 1018 mb | 1016 mb | 1015 mb | 1014 mb | 1015 mb | 1015 mb | 1015 mb | 1017 mb | 1021 mb | 1021 mb |
| 23 | 20 | 23 | 23 | 22 | 21 | 20 | 19 | 23 | 26 | 24 | 24 |
| 7 | 7 | 8 | 7 | 9 | 9 | 11 | 12 | 7 | 5 | 5 | 7 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 |
| 3 | 3 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 182 | 147 | 158 | 193 | 190 | 206 | 191 | 219 | 228 | 234 | 207 | 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.