June weather forecastSaint John, Canada
June
Weather in June
June in Saint John, Canada, calls for summertime preparation. The month delivers increasingly warm weather accompanied by longer hours of daylight. It signifies the commencement of summer festivals and events as the outdoor environment becomes more genial. June also brings a more vibrant city life with an increase in touristic activities. It's important to note that June sees a noteworthy change in temperature, ranging from 9.9°C (49.8°F) to 16.8°C (62.2°F).Temperature
In June, the meteorological conditions in Saint John subtly change with the average high-temperature edging from a fresh 12.8°C (55°F) in May to a refreshing 16.8°C (62.2°F). Saint John in June anticipates an average nighttime temperature of 9.9°C (49.8°F).Humidity
In Saint John, the average relative humidity in June is 82%.Rainfall
In June, the rain falls for 13.6 days. Throughout June, 37mm (1.46") of precipitation is accumulated. In Saint John, during the entire year, the rain falls for 122.4 days and collects up to 390mm (15.35") of precipitation.Snowfall
June through October are months without snowfall in Saint John.Sea temperature
In June, the average sea temperature in Saint John is 9.4°C (48.9°F).Note: To swim in 9.4°C (48.9°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
June has the longest days of the year, with an average of 15h and 36min of daylight.On the first day of the month, sunrise is at 5:39 am and sunset at 9:05 pm. On the last day of June, in Saint John, sunrise is at 5:40 am and sunset at 9:15 pm ADT.
Sunshine
In Saint John, the average sunshine in June is 8.3h.UV index
In Saint John, Canada, the average daily maximum UV index in June is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during June leads to these instructions:
Exercise prevention - Warding off sunburn is urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint John, Canada
- Average high temperature in June: 16.8°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in June: 9.9°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).
Average pressure in June
Saint John, Canada
- Average pressure in June: 1012.8mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in June
Saint John, Canada
- Average wind speed in June: 13.7km/h
The windiest month (with the highest average wind speed) is January (19.9km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in June
Saint John, Canada
- Average humidity in June: 82%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are October and November (80%).
Average rainfall in June
Saint John, Canada
- Average rainfall in June: 37mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in June
Saint John, Canada
- Average rainfall days in June: 13.6 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in June
Saint John, Canada
- Average snowfall in June: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in June
Saint John, Canada
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is March (9.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in June
Saint John, Canada
- Average sea temperature in June: 9.4°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (2.9°C).
Average daylight in June /
Average sunshine in June
Saint John, Canada
- Average daylight in June: 15h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in June: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in June
Saint John, Canada
- Average sunshine days in June: 13.6 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in June
Saint John, Canada
- Average UV index in June: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in June
Saint John, Canada
- Average cloud cover in June: 47
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in June
Saint John, Canada
- Average visibility in June: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
