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Weather in Saint John for October 2025

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

  • The climate of Saint John in October is notably wet, with an average of 15 rainy days.

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

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Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
1
Snow days
Average temperatures
14°/8°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Saint John in October average weather

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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

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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 14° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint John during October?
Significant rainfall exceeding 160.5 mm is expected in Saint John during October, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Saint John during October?
Saint John experiences an average snowfall of 6.1 cm during October, occurring over 1 days, which may interest winter sports enthusiasts.
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.

October rainfall patterns in Saint John

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

October snowfall in Saint John

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

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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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