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St. John's Weather in October
In St. John's, October brings low daytime temperatures around 12°C (54°F), with nights cooling to 6°C (43°F). Expect quite a bit of rainfall this month.
Rainfall in St. John's in October
You can expect rain on around 18 days based on historical patterns, with 116 mm (4.6 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in St. John's in October
St. John's in October gets highs of 12°C (54°F) during the day and drops to 6°C (43°F) at night. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in St. John's in October
The area enjoys a moderate level of sunlight, with around 122 hours. It's a good balance between sunny and cloudy days.If you're looking for dry conditions and comfortable temperatures, October may not be the ideal month to visit St. John's. Our weather planner can help you explore destinations with more pleasant weather conditions.
St. John's Temperature in October
Min Temperature
6°C (43°F)
Max Temperature
12°C (54°F)
Chance of Rain
59%
Precipitation
116 mm (4.6 in)
Rainy days
18 days
Sunshine
122 hours
Percentage Sunshine
36%
St. John's Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St. John's - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St. John's typically drop from around 14°C (57°F) at the start of October to approximately 8°C (46°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 7°C (45°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for St. John's in October
Browse day-by-day weather records for St. John's spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St. John's historical weather extremes in October
Based on weather observations in St. John's between 1976 and 2025, these are the recorded extremes during October.
- On October 1, 2013, temperatures climbed to 23°C (73°F), marking the warmest October day on record.
- On October 31, 2023, St. John's saw its coldest October day with temperatures maxing out at 1°C (34°F).
- The coldest night in October in St. John's was on October 28, 1999, with a minimum of -5°C (23°F).
Best Places in Canada in October
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in St. John's in October
The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in St. John's in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports5/10
St. John's 3-Day Forecast
More climate data for St. John's
See the full St. John's climate overview or explore weather in Canada.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
12°C (54°F) Whistler7°C (45°F) Bucket list
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