Stephenville
Canada
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Stephenville, Canada

January, like December, is another subzero cold winter month in Stephenville, Canada, with temperature in the range of an average high of -3°C (26.6°F) and an average low of -11°C (12.2°F). In January, the average high-temperature is essentially the same as in December - a still freezing cold -3°C (26.6°F). Weather in January »
February, the last month of the winter, in Stephenville, is also a subzero cold month, with average temperature varying between -12°C (10.4°F) and -4°C (24.8°F). The coldest month is February, with an average high-temperature of -4°C (24.8°F) and an average low-temperature of -12°C (10.4°F). Weather in February »

The first month of the spring, March, is a wintry month in Stephenville, Canada, with average temperature varying between 0°C (32°F) and -9°C (15.8°F). In Stephenville, the average high-temperature in March slightly increases, from a subzero cold -4°C (24.8°F) in February, to a wintry 0°C (32°F). Weather in March »

April, like March, in Stephenville, Canada, is a wintry spring month, with average temperature fluctuating between -3°C (26.6°F) and 5°C (41°F). In Stephenville, Canada, the average high-temperature rises, from a cold 0°C (32°F) in March, to a still wintry 5°C (41°F). Weather in April »

The last month of the spring, May, is a cool month in Stephenville, Canada, with average temperature fluctuating between 2°C (35.6°F) and 11°C (51.8°F). In Stephenville, the average high-temperature in May rises, from a wintry 5°C (41°F) in April, to a fresh 11°C (51.8°F). Weather in May »

The first month of the summer, June, is a comfortable month in Stephenville, Canada, with average temperature varying between 16°C (60.8°F) and 6°C (42.8°F). In Stephenville, the average high-temperature in June increases, from a fresh 11°C (51.8°F) in May, to a comfortable 16°C (60.8°F). Weather in June »

July in Stephenville, Canada, is an agreeable summer month, with average temperature ranging between max 20°C (68°F) and min 11°C (51.8°F). July and August, with an average high-temperature of 20°C (68°F), are the warmest months. Weather in July »

The last month of the summer, August, is another pleasant month in Stephenville, Canada, with average temperature ranging between min 11°C (51.8°F) and max 20°C (68°F). The warmest months are July and August, with an average high-temperature of 20°C (68°F). Weather in August »

The first month of the autumn, September, is also a moderate month in Stephenville, Canada, with temperature in the range of an average high of 15°C (59°F) and an average low of 7°C (44.6°F). In Stephenville, the average high-temperature drops, from a pleasant 20°C (68°F) in August, to a mild 15°C (59°F). Weather in September »

October, like September, is a frosty autumn month in Stephenville, Canada, with average temperature fluctuating between 2°C (35.6°F) and 9°C (48.2°F). In October, the average high-temperature drops, from a moderate 15°C (59°F) in September, to a chilly 9°C (48.2°F). Weather in October »

The last month of the autumn, November, is another cold month in Stephenville, Canada, with average temperature fluctuating between 4°C (39.2°F) and -2°C (28.4°F). In Stephenville, the average high-temperature decreases, from a frosty 9°C (48.2°F) in October, to a wintry 4°C (39.2°F). Weather in November »

December, the first month of the winter, in Stephenville, is still a freezing cold month, with average temperature ranging between min -7°C (19.4°F) and max -1°C (30.2°F). In December, the average high-temperature decreases, from a wintry 4°C (39.2°F) in November, to a subzero cold -1°C (30.2°F). Weather in December »

How much does it rain in Stephenville?

Throughout the year, there are 215 rainfall days, and 1309mm (51.5") of precipitation is accumulated.

What is the wettest month in Stephenville?

The month with the most rainfall is January when the rain falls for 25 days and typically aggregates up to 135mm (5.3") of precipitation.

What is the month with the lowest UV index in Stephenville?

Months with the lowest UV index in Stephenville are January, February, November and December, with an average maximum UV index of 1.

What is the coldest month in Stephenville?

The coldest month is February, with an average high-temperature of -4°C (24.8°F) and an average low-temperature of -12°C (10.4°F).

When is the sea coldest in Stephenville?

March is the month with the coldest seawater in Stephenville, with an average sea temperature of -0.3°C (31.5°F).

What is the driest month in Stephenville?

The month with the least rainfall in Stephenville is April when the rain falls for 15 days and typically collects 73mm (2.9") of precipitation.

What are the months with the most sunshine in Stephenville?

Months with the most sunshine in Stephenville are May through August, with an average of 6h of sunshine.

When are the longest days in Stephenville?

The month with the longest days in Stephenville, Canada, is June, with an average of 16.1h of daylight.

What are the months with the highest UV index in Stephenville?

June and July, with an average maximum UV index of 7, are months with the highest UV index in Stephenville, Canada.

What are the warmest months in Stephenville?

July and August, with an average high-temperature of 20°C (68°F), are warmest months in Stephenville, Canada.

When is the sea warmest in Stephenville?

With an average sea temperature of 15.5°C (59.9°F), August is the month with the warmest seawater in Stephenville, Canada.

What is the month with the shortest days in Stephenville?

December has the shortest days of the year, with an average of 8.4h of daylight.

What is the month with the least sunshine in Stephenville?

With an average of 1h of sunshine, December has the least sunshine of the year.
Average rainfall - Stephenville, Canada
Average rainfall days - Stephenville, Canada

The month with the highest number of rainy days is January (25 days).
Months with the lowest number of rainy days are May and June (14 days).

Average sea temperature - Stephenville, Canada

The best month for swimming (with the highest average sea temperature) is August (15.5°C).
The coldest month (with the lowest average sea temperature) is March (-0.3°C).

Average daylight / Average sunshine - Stephenville, Canada
Average UV index - Stephenville, Canada