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 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
July stands out as Saint John's warmest month, with an average high-temperature of 84.4°F (29.1°C) and a low-temperature of 58.6°F (14.8°C).Heat index
Throughout July, the heat index is estimated at 84.2°F (29°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In July, the average relative humidity is 40%.Rainfall
The month with the least rainfall is July, when the rain falls for 3.5 days and typically collects 0.16" (4mm) of precipitation.Snowfall
In Saint John, snow does not fall in June through August and October.Daylight
The average length of the day in July is 15h and 28min.On the first day of the month, sunrise is at 4:59 am and sunset at 8:49 pm. On the last day of July, in Saint John, sunrise is at 5:29 am and sunset at 8:24 pm PDT.
Sunshine
In Saint John, the average sunshine in July is 12h.UV index
July is the month with the highest UV index in Saint John, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In July, the maximum UV index of 7 transforms into these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What time of the year is the hottest in Saint John?
How hot is July in Saint John?
What is the average humidity in July in Saint John?
What is the driest month in Saint John?
How much does it rain in Saint John in July?
When it does not snow in Saint John?
What is the average length of the day in July in Saint John?
When is the sunrise / sunset in July in Saint John?
How long on average sun shines in July in Saint John?
What is the month 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, WA
- Average high temperature in July: 84.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in July: 58.6°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in July
Saint John, WA
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in July
Saint John, WA
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in July
Saint John, WA
- Average humidity in July: 40%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (36%).
Average rainfall in July
Saint John, WA
- Average rainfall in July: 0.16"
The wettest months (with the highest rainfall) are January and May (0.91").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Saint John, WA
- Average rainfall days in July: 3.5 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in July
Saint John, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in July
Saint John, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (9.3 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Saint John, WA
- Average daylight in July: 15h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in July
Saint John, WA
- Average sunshine days in July: 26.6 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (15.9 days).
Average UV index in July
Saint John, WA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Saint John, WA
- Average cloud cover in July: 11
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in July
Saint John, WA
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Saint John, Washington, USA
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