Overview: Wilkes-Barre, PAWilkes-Barre, PA (United States of America) is a place with a mild continental climate. The day temperatures range from 1 °C (34 °F) in January to 29 °C (84 °F) in July. Temperatures during the night go from -8 °C (18 °F) in January to 16 °C (61 °F) in July. The driest month is February with just 9 days of rain, on the contrary, the month when it rains the most is July with 13 days of rain.