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Canada weather

Weather in Saint John for July 2025

Your guide to Saint John weather in July - trends and predictions

    Official Weather Alert ⚠️

  • Thunderstorm Warning - See hour by hour.

    • Temperatures

  • Until now, July 2025 in Saint John is slightly cooler than the historical average by -1.9 °C.

  • In general, the average temperature in Saint John at the beginning of July is 19.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.4 °C by the end of July.

    • Rain 🌧️

  • Saint John experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 169.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/14°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Saint John Weather July

Move between months or click on a day
June
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
19°
2
Heavy rain at times
20°
3
Moderate or heavy rain shower
18°
4
Moderate rain at times
20°
5
Patchy rain possible
22°
6
Patchy rain possible
18°
7
Overcast
19°
8
Fog
21°
9
Overcast
21°
10
Patchy rain possible
22°
11
Moderate or heavy rain shower
17°
12
Overcast
21°
13
Overcast
20°
14
Fog
21°
15
Moderate or heavy rain shower
21°
16
Heavy rain at times
21°
17
Fog
19°
18
Moderate or heavy rain shower
23°
19
Patchy rain possible
22°
20
Patchy rain possible
20°
21
Moderate rain at times
20°
22
Sunny
22°
23
Overcast
20°
24
Overcast
21°
25
Overcast
20°
26
Patchy rain possible
24°
27
Moderate or heavy rain shower
22°
28
Patchy rain possible
23°
29
Overcast
21°
30
Overcast
22°
31
Weather Alert Cloudy
25°

Temperatures trend during July in Saint John

See the weather trend as well as the moving average line

July weather in Saint John day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
1 Jul. Fog
Fog
 19° /12° 3.5 mm 4
2 Jul. Heavy rain at times
Heavy rain at times
 20° /12° 2.2 mm 5
3 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /11° 19.4 mm 5
4 Jul. Moderate rain at times
Moderate rain at times
 20° /13° 2.4 mm 4
5 Jul. Patchy rain possible
Patchy rain possible
 22° /13° 0.9 mm 5
6 Jul. Patchy rain possible
Patchy rain possible
 18° /12° 4.9 mm 4
7 Jul. Overcast
Overcast
 19° /13° 1.7 mm 4
8 Jul. Fog
Fog
 21° /13° 0.1 mm 5
9 Jul. Overcast
Overcast
 21° /13° 2.9 mm 5
10 Jul. Patchy rain possible
Patchy rain possible
 22° /14° 4.3 mm 5
11 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /14° 22.5 mm 4
12 Jul. Overcast
Overcast
 21° /13° 0.1 mm 5
13 Jul. Overcast
Overcast
 20° /13° 3.8 mm 5
14 Jul. Fog
Fog
 21° /13° 0.6 mm 5
15 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /14° 3.1 mm 5
16 Jul. Heavy rain at times
Heavy rain at times
 21° /13° 6.7 mm 5
17 Jul. Fog
Fog
 19° /14° 11.7 mm 4
18 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 3.6 mm 5
19 Jul. Patchy rain possible
Patchy rain possible
 22° /13° 5.4 mm 5
20 Jul. Patchy rain possible
Patchy rain possible
 20° /13° 10.3 mm 5
21 Jul. Moderate rain at times
Moderate rain at times
 20° /14° 4.1 mm 4
22 Jul. Sunny
Sunny
 22° /13° 1.2 mm 6
23 Jul. Overcast
Overcast
 20° /13° 3 mm 5
24 Jul. Overcast
Overcast
 21° /14° 0.1 mm 5
25 Jul. Overcast
Overcast
 20° /14° 0.1 mm 4
26 Jul. Patchy rain possible
Patchy rain possible
 24° /14° 0.1 mm 6
27 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /12° 6.7 mm 5
28 Jul. Patchy rain possible
Patchy rain possible
 23° /13° 0.4 mm 5
29 Jul. Overcast
Overcast
 21° /14° 0.1 mm 5
30 Jul. Overcast
Overcast
 22° /13° 1.6 mm 5
31 Jul. Cloudy
Cloudy
 25° /15° 0 mm 1.7
Next
Important Notice
Our weather forecast for Saint John in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint John forecast closer to your planned date for the most up-to-date weather information.
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Saint John in July - FAQ

What are the expected maximum and minimum temperatures in Saint John during July?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint John during July?
Significant rainfall exceeding 169.3 mm is expected in Saint John during July, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John during July?
The average wind speed in Saint John during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Saint John

Explore the daily rainfall trends and prepare for Saint Johns July weather 💧

UV exposure in Saint John during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

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Location coordinates Where is Saint John?

Get accurate weather forecasts for Saint John, located at latitude 45.271 and longitude -66.056. Stay updated with localized weather information tailored for Saint John.

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