Saint John Weather: July
 |
Average Day Temperature: | 75.1°F |
|
Average Night Temperature: | 61.7°F |
|
Sea Water Temperature: | 57.7°F |
|
Number of Sunny Days: | 6 days |
| Sunshine Hours: | 14.7 - 15.6 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.5 in | |
| detailed information | ||
forecast
| Saint John |
Temperature
| Saint John |
Air Temperature in July, °F
The highest day temperature in July 2025 was 82°F. The lowest night temperature was 52°F. The average values for day and night temperatures during July were 68.9°F и 57.6°F respectivly.
Saint John Water Sea Temperature in July, °F
The average sea surface temperature in July 2025 for Saint John was 56.1°F. The maximum and minimum values were 49.8°F and 64.6°F respectively.
Most of the days in July are gloomy but you can also expect sunny days.
Precipitation Totals in July, in
Precipitation total in July for Saint John is 1.5 in. It makes july the most rainy month of the year.
The average wind speed in July is 6.2 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Saint John in July is 5.9 hours.
Saint John on the Weather Map
| Halifax |  |
+6 |
| Kingston |  |
+4 |
| Moncton | |
-10 |
| Montreal | |
-2 |
| Niagara Falls | |
+10 |
| Ottawa | |
-6 |
| Prince Edward Island | |
+2 |
| Quebec | |
-12 |
| Rocky Harbour |  |
+22 |
| St. John's |  |
+36 |
| Sydney |  |
+16 |
| Toronto | |
+10 |
| Vancouver | |
+42 |
| Victoria | |
+44 |
| Winnipeg | |
+8 |
| 0600 |  |
-2°F | SE 14 mph |
| 0900 |  |
4°F | SE 12 mph |
| 1200 | |
16°F | SE 12 mph |
| 1500 | |
20°F | E 10 mph |
| 1800 | |
20°F | E 6 mph |
| 2100 | |
16°F | SE 4 mph |
| 0000 | |
14°F | SE 3 mph |
| 0300 | |
14°F | SE 2 mph |