STEPHENVILLE, NEWFOUNDLAND AND LABRADOR

This climate climate zone covers from about 44°N to 50°N latitude mostly east of the 100th meridian in North America. However, it can be found as far north as 54°N, and further west in the Canadian Prairie Provinces and below 40°N in the high Appalachians. In Europe this subtype reaches its most northerly latitude at nearly 61° N. Areas featuring this subtype of the continental climate have an average temperature in the warmest month below 22°C (22°F). Summer high temperatures in this zone typically average between 21-28°C (70-82°F) during the daytime and the average temperatures in the coldest month are generally far below the -3 °C (27°F) mark.

The Köppen Climate Classification subtype for this climate is "Dfb". (Warm Summer Continental Climate).

The average temperature for the year in Stephenville is 41.0°F (5°C). The warmest month, on average, is August with an average temperature of 62.0°F (16.7°C). The coolest month on average is February, with an average temperature of 20.0°F (-6.7°C).

The highest recorded temperature in Stephenville is 87.1°F (30.6°C), which was recorded in July. The lowest recorded temperature in Stephenville is -21.1°F (-29.5°C), which was recorded in February.

The average amount of precipitation for the year in Stephenville is 52.8" (1341.1 mm). The month with the most precipitation on average is August with 5.1" (129.5 mm) of precipitation. The month with the least precipitation on average is April with an average of 3.1" (78.7 mm). There are an average of 220.6 days of precipitation, with the most precipitation occurring in January with 26.4 days and the least precipitation occurring in June with 14.2 days.

In terms of liquid precipitation, there are an average of 143.1 days of rain, with the most rain occurring in October with 18.6 days of rain, and the least rain occurring in February with 4.6 days of rain.

In Stephenville, there's an average of 154.8" of snow (0 cm). The month with the most snow is January, with 44.6" of snow (113.3 cm).