Tomorrow in St. John's looks
light rain shower, with a high of 85°
and an overnight low of 80°.
There is a 85% chance of rain - plan accordingly.
Winds top out near 17 mph,
and the UV index reaches 10 (very high).
St. John's has a tropical wet-and-dry climate.
August is the warmest month, with average highs of 86°,
and February the coldest, when nights fall to around 75°.
September brings the most rain, on about 21 days,
while April is the sunniest, with 11.7 hours of sunshine a day.
Over a whole year it rains on roughly 211 days.
It depends on the month: August runs to 86°F (30°C) while February holds at 81°F (27°C). The full month-by-month breakdown is in the packing notes above.
What is the average temperature in St. John's?
80°F (27°C) across all twelve months - about 84°F (29°C) by day and 77°F (25°C) after dark.
When should I visit St. John's?
January to April is the sweet spot for St. John's - humidity and rainfall are at their lowest, which is what actually varies here. Expect 82°F (28°C) in the afternoon and around 15 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in January.
Which month is coolest in St. John's?
February, with highs of 81°F (27°C) and lows near 75°F (24°C). The coldest day in the 2015-2024 record fell to 66°F (19°C).
Which month is warmest in St. John's?
August, averaging 86°F (30°C) by day and 79°F (26°C) overnight. The hottest single day in our 2015-2024 record for this location reached 92°F (34°C).
How hot does St. John's get in summer?
August averages 86°F (30°C). Hot afternoons happen but extremes are not the norm.
Is there snow in St. John's?
Effectively no. The 2015-2024 record for St. John's shows no regular measurable snowfall.
What is the rainiest month in St. John's?
September, at 4.4 inches (111 mm) over about 21 days. January is the driest month, at 1.6 inches (40 mm).