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Weather in Saint John for October 2025

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

    Snow Forecast ❄️

  • Snowfall in Saint John during October is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Saint John at the beginning of October is 16.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.9 °C by the end of October.

    • Rain 🌧️

  • The climate of Saint John in October is notably wet, with an average of 13 rainy days, and a total of 170.7 mm of precipitation.

    • More

  • Halloween weather in Saint John 🎃 - See the complete forecast for Thursday, 31 October.

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

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
1
Snow days
Average temperatures
13°/7°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Saint John in October average weather

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Mist
18°
2
Mist
17°
3
Patchy rain possible
19°
4
Overcast
14°
5
Mist
15°
6
Fog
17°
7
Moderate rain
15°
8
Light rain
16°
9
Light rain shower
13°
10
Patchy rain possible
13°
11
Fog
14°
12
Light drizzle
14°
13
Light rain shower
13°
14
Patchy rain possible
12°
15
Patchy rain possible
10°
16
Light rain shower
10°
17
Light rain
11°
18
Patchy rain possible
13°
19
Patchy rain possible
16°
20
Patchy rain possible
16°
21
Heavy rain
15°
22
Light rain shower
14°
23
Patchy rain possible
10°
24
Partly cloudy
12°
25
Light drizzle
12°
26
Fog
14°
27
Fog
11°
28
Fog
13°
29
Cloudy
9°
30
Heavy snow
8°
31
Mist
9°
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Temperatures trend during October in Saint John

See the weather trend as well as the moving average line

October weather day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
1 Oct. Mist
Mist
 18° /9° 0 mm 0 cm
2 Oct. Mist
Mist
 17° /7° 0 mm 0 cm
3 Oct. Patchy rain possible
Patchy rain possible
 19° /7° 0 mm 0 cm
4 Oct. Overcast
Overcast
 14° /11° 0 mm 0 cm
5 Oct. Mist
Mist
 15° /10° 3.8 mm 0 cm
6 Oct. Fog
Fog
 17° /12° 0 mm 0 cm
7 Oct. Moderate rain
Moderate rain
 15° /12° 11.3 mm 0 cm
8 Oct. Light rain
Light rain
 16° /9° 20.4 mm 0 cm
9 Oct. Light rain shower
Light rain shower
 13° /6° 4.9 mm 0 cm
10 Oct. Patchy rain possible
Patchy rain possible
 13° /8° 0.2 mm 0 cm
11 Oct. Fog
Fog
 14° /8° 0.1 mm 0 cm
12 Oct. Light drizzle
Light drizzle
 14° /7° 6.8 mm 0 cm
13 Oct. Light rain shower
Light rain shower
 13° /6° 2.8 mm 0 cm
14 Oct. Patchy rain possible
Patchy rain possible
 12° /7° 39.6 mm 0 cm
15 Oct. Patchy rain possible
Patchy rain possible
 10° /6° 0.1 mm 0 cm
16 Oct. Light rain shower
Light rain shower
 10° /6° 3.4 mm 0 cm
17 Oct. Light rain
Light rain
 11° /4° 5.7 mm 0 cm
18 Oct. Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 0 cm
19 Oct. Patchy rain possible
Patchy rain possible
 16° /8° 0.1 mm 0 cm
20 Oct. Patchy rain possible
Patchy rain possible
 16° /9° 0 mm 0 cm
21 Oct. Heavy rain
Heavy rain
 15° /10° 27.8 mm 0 cm
22 Oct. Light rain shower
Light rain shower
 14° /8° 9 mm 0 cm
23 Oct. Patchy rain possible
Patchy rain possible
 10° /5° 3.2 mm 0 cm
24 Oct. Partly cloudy
Partly cloudy
 12° /5° 0 mm 0 cm
25 Oct. Light drizzle
Light drizzle
 12° /5° 0.3 mm 0 cm
26 Oct. Fog
Fog
 14° /7° 5.4 mm 0 cm
27 Oct. Fog
Fog
 11° /5° 0.1 mm 0 cm
28 Oct. Fog
Fog
 13° /5° 0.2 mm 0 cm
29 Oct. Cloudy
Cloudy
 9° /1° 0 mm 0 cm
30 Oct. Heavy snow
Heavy snow
 8° /2° 25 mm 3 cm
31 Oct. Mist
Mist
 9° /4° 0.3 mm 0 cm
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Important Notice
Our weather forecast for Saint John in October 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 October - FAQ

What are the expected maximum and minimum temperatures in Saint John during October?
During October, expect a variety of temperatures with highs around 13° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint John during October?
Significant rainfall exceeding 170.7 mm is expected in Saint John during October, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint John in October 2025?
Saint John typically sees 3.045 cm of snowfall during October.
What are the typical wind conditions in Saint John during October?
The average wind speed in Saint John during October is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Saint John snow forecast October 2025

Track daily snowfall levels and discover Saint John’s snowy potential this October ❄️

October rainfall patterns in Saint John

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

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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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