Temperatures in July
It's hot in July in Saint John with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 36°C. At night, you can expect temperatures between 16°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Saint John in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in Saint John with hot temperatures, averaging around 34°C during the day and nights close to 20°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-July
By mid-July, the average daytime temperature rises to around 35°C, with nights close to 21°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of July
By the end of July, the average daytime temperature in Saint John will be around 35°C, with nights close to 21°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in July
In July, there is an average of 12 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the South.
The average chance of precipitation is only 9% in July.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for Saint John. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Saint John in July |
London | ||
|---|---|---|---|
 Average Temperature |
34°C | 23°C | |
 High Temp |
36°C | 27°C | |
| Low Temp |
32°C | 21°C | |
 Total Precipitation |
12 mm | 52 mm | |
| Rainy Days |
3 days | 9 days | |
June
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit Saint John?
July is a fantastic month to be in Saint John for sunny weather. You’ll get high temperatures and little chance of rain this month.
Temperature records for Saint John in July
With 39°C, Saint John hit the highest temperature in the last 10 years in July 2023. The lowest daytime temperature in this month was 22°C in 2016. The extreme night temperatures ranged from a low of 9°C to a high of 28°C.
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Daily Temperature in July in Saint John
This chart shows the average daily temperatures, both day and night, for each day in July in Saint John, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Saint John
The chart below shows the average daily precipitation in July for Saint John, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 3 days of rain in Saint John.
Daily UV Index in July in Saint John
This chart shows the average daily UV index in July in Saint John, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in Saint John Over the Years
This chart shows the average temperature in July in Saint John, measured in degrees Celsius, over the past years.
Total Precipitation in July in Saint John Over the Years
This chart shows the average precipitation in July in Saint John, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for Saint John
Click on a specific day in July for detailed info on the typical weather on that day in Saint John. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Saint John
Have you been to Saint John in July?
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Average Weather in Saint John by Month
Click on a month below to see detailed weather info for Saint John. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Saint John for all months at once
