United States
Weather in Columbia through the year
The average of the weather stations Washington (42 km), Carlisle Wtp (114 km) and Dover (115 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 6.0 °C | 5.4 °C – 6.9 °C |
| February | 8.0 °C | 6.1 °C – 10.1 °C |
| March | 12.9 °C | 10.4 °C – 16.0 °C |
| April | 18.9 °C | 16.2 °C – 21.1 °C |
| May | 23.6 °C | 21.1 °C – 26.3 °C |
| June | 28.6 °C | 26.4 °C – 30.5 °C |
| July | 30.9 °C | 30.3 °C – 31.2 °C |
| August | 29.4 °C | 28.5 °C – 30.3 °C |
| September | 26.0 °C | 23.3 °C – 28.4 °C |
| October | 20.0 °C | 17.1 °C – 23.0 °C |
| November | 13.3 °C | 10.2 °C – 16.9 °C |
| December | 8.0 °C | 7.0 °C – 10.1 °C |