June weather forecast
St. John's, Canada

June stands as the month residents of St. John's look forward to, with the city gleaming under the summer sun. High temperatures reach a pleasant 15.8°C (60.4°F) and low temperatures record a comfortable 5.9°C (42.6°F). It is an unmatched time for hosting outdoor events, pool parties, and indulging in water-sport activities. Sporadic rains ensure that the green spaces remain spruced up. The vibrant weather turns streets and parks into bustling places teeming with locals and tourists.

Temperature

St. John's's weather shows a minor temperature rise with the arrival of June, moving from a cool 11.1°C (52°F) in May to a moderate 15.8°C (60.4°F). An average low-temperature of 5.9°C (42.6°F) is expected in St. John's during June.

Rainfall

In St. John's, in June, it is raining for 14.7 days, with typically 98mm (3.86") of accumulated precipitation. In St. John's, Canada, during the entire year, the rain falls for 162.7 days and collects up to 1207mm (47.52") of precipitation.

Snowfall

January through June, October through December are months with snowfall in St. John's. June is the last month it regularly snows in St. John's. During 0.1 snowfall days, in June, St. John's aggregates 0mm (0") of snow. Throughout the year, in St. John's, Canada, there are 79 snowfall days, and 3349mm (131.85") of snow is accumulated.

Sea temperature

In St. John's, in June, the average water temperature is 6.4°C (43.5°F).
Note: You can swim in 6.4°C (43.5°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.

Daylight

June has the longest days of the year in St. John's, with an average of 15h and 54min of daylight.
On the first day of the month, sunrise is at 5:06 am and sunset at 8:50 pm. On the last day of June, in St. John's, sunrise is at 5:07 am and sunset at 9:02 pm NDT.

Sunshine

In St. John's, Canada, the average sunshine in June is 6.6h.

UV index

The months with the highest UV index in St. John's are June and July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in June transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.