Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The shift from June to July is marked by a slight increase in the average high-temperature, moving from an enjoyable 16.8°C (62.2°F) to a pleasant 20.8°C (69.4°F). July brings Saint John a consistent average low-temperature of 13.9°C (57°F).Humidity
The average relative humidity in July in Saint John is 83%.Rainfall
In Saint John, during July, the rain falls for 12.4 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 122.4 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
June through October are months without snowfall.Sea temperature
In July, the average sea temperature is 12.3°C (54.1°F).Note: Navigating the 12.3°C (54.1°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In Saint John, Canada, the average length of the day in July is 15h and 14min.On the first day of the month, sunrise is at 5:40 am and sunset at 9:15 pm. On the last day of July, sunrise is at 6:08 am and sunset at 8:52 pm ADT.
Sunshine
The average sunshine in July is 9.2h.UV index
July and August, with an average maximum UV index of 5, are months with the highest UV index in Saint John. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 5 suggests these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in July in Saint John?
What is the average humidity in July in Saint John?
How many days does it rain in July in Saint John?
When it does not snow in Saint John?
How cold is the water in July in Saint John?
What is the average length of the day in July in Saint John?
What time are sunrise and sunset in July in Saint John?
How long on average sun shines in July in Saint John?
What are the months with the highest UV index in Saint John?
What is the UV index intensity in July in Saint John?
Average temperature in July
Saint John, Canada
- Average high temperature in July: 20.8°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 July: 13.9°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 July
Saint John, Canada
- Average pressure in July: 1013.3mbar
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 July
Saint John, Canada
- Average wind speed in July: 12.5km/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 July
Saint John, Canada
- Average humidity in July: 83%
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 July
Saint John, Canada
- Average rainfall in July: 28mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in July
Saint John, Canada
- Average rainfall days in July: 12.4 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 July
Saint John, Canada
- Average snowfall in July: 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 July
Saint John, Canada
- Average snowfall days in July: 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 July
Saint John, Canada
- Average sea temperature in July: 12.3°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 July /
Average sunshine in July
Saint John, Canada
- Average daylight in July: 15h and 1min
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 July: 9h and 1min
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 July
Saint John, Canada
- Average sunshine days in July: 15.3 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 July
Saint John, Canada
- Average UV index in July: 5
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 July
Saint John, Canada
- Average cloud cover in July: 42
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 July
Saint John, Canada
- Average visibility in July: 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).
Saint John, Canada
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