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Weather in Saint John for June 2025

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

  • In general, the average temperature in Saint John at the beginning of June is 15.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.9 °C by the end of June.

  • Saint John experiences an exceptionally high level of rainfall in June, with more than 20 rainy days on average.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/10°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
89 %
Avg humidity

Saint John in June average weather

Move between months or click on a day
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
19°
2
Patchy rain possible
20°
3
Moderate rain at times
12°
4
Moderate rain at times
15°
5
Moderate or heavy rain shower
15°
6
Heavy rain at times
15°
7
Patchy rain possible
14°
8
Patchy rain possible
16°
9
Patchy rain possible
17°
10
Patchy rain possible
14°
11
Partly cloudy
19°
12
Partly cloudy
21°
13
Overcast
20°
14
Moderate rain at times
16°
15
Heavy rain at times
16°
16
Overcast
19°
17
Moderate rain at times
17°
18
Heavy rain at times
17°
19
Overcast
17°
20
Patchy rain possible
23°
21
Sunny
22°
22
Sunny
20°
23
Overcast
17°
24
Patchy rain possible
17°
25
Patchy rain possible
19°
26
Moderate or heavy rain shower
17°
27
Moderate rain at times
19°
28
Moderate or heavy rain shower
19°
29
Moderate or heavy rain shower
17°
30
Moderate rain at times
17°
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Temperatures trend during June in Saint John

See the weather trend as well as the moving average line

June weather day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Sunny
Sunny
 19° /7° 0.1 mm 5
2 Jun. Patchy rain possible
Patchy rain possible
 20° /6° 1.3 mm 5
3 Jun. Moderate rain at times
Moderate rain at times
 12° /6° 6.6 mm 3
4 Jun. Moderate rain at times
Moderate rain at times
 15° /7° 6.6 mm 4
5 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /8° 14.6 mm 4
6 Jun. Heavy rain at times
Heavy rain at times
 15° /9° 9.4 mm 4
7 Jun. Patchy rain possible
Patchy rain possible
 14° /9° 0.5 mm 4
8 Jun. Patchy rain possible
Patchy rain possible
 16° /8° 0.2 mm 4
9 Jun. Patchy rain possible
Patchy rain possible
 17° /9° 2.4 mm 4
10 Jun. Patchy rain possible
Patchy rain possible
 14° /8° 1.6 mm 4
11 Jun. Partly cloudy
Partly cloudy
 19° /8° 0.2 mm 5
12 Jun. Partly cloudy
Partly cloudy
 21° /10° 0 mm 6
13 Jun. Overcast
Overcast
 20° /10° 0 mm 5
14 Jun. Moderate rain at times
Moderate rain at times
 16° /10° 3 mm 4
15 Jun. Heavy rain at times
Heavy rain at times
 16° /9° 8.4 mm 4
16 Jun. Overcast
Overcast
 19° /7° 0.1 mm 5
17 Jun. Moderate rain at times
Moderate rain at times
 17° /9° 4.6 mm 4
18 Jun. Heavy rain at times
Heavy rain at times
 17° /11° 7.7 mm 4
19 Jun. Overcast
Overcast
 17° /10° 1.5 mm 4
20 Jun. Patchy rain possible
Patchy rain possible
 23° /11° 2.2 mm 5
21 Jun. Sunny
Sunny
 22° /11° 0 mm 6
22 Jun. Sunny
Sunny
 20° /11° 0.9 mm 5
23 Jun. Overcast
Overcast
 17° /10° 5.4 mm 4
24 Jun. Patchy rain possible
Patchy rain possible
 17° /12° 5.2 mm 4
25 Jun. Patchy rain possible
Patchy rain possible
 19° /12° 5.5 mm 4
26 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /12° 4.2 mm 5
27 Jun. Moderate rain at times
Moderate rain at times
 19° /11° 9.2 mm 4
28 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /11° 10.1 mm 4
29 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /12° 11.6 mm 4
30 Jun. Moderate rain at times
Moderate rain at times
 17° /12° 15 mm 4
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Important Notice
Our weather forecast for Saint John in June 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.

Saint John in June - FAQ

What are the expected maximum and minimum temperatures in Saint John during June?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint John during June?
Significant rainfall exceeding 189.4 mm is expected in Saint John during June, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John during June?
The average wind speed in Saint John during June is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

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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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