St. John's weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: May – August
What is the weather like in St. John's in October?
In October, St. John's is cool: daytime highs average 11 °C, and nights cool down to about 7 °C. The sea averages 9.5 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 100 mm in total. All in all, October is not an ideal month for a holiday in St. John's.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 17 | 9 | 6 |
| Day | 17° | 11° | 7° |
| Night | 11° | 7° | 3° |
| Sea | 13° | 10° | 6° |
| Sun | 5 h | 3 h | 3 h |
| Rain days | 11 | 12 | 14 |
More details for October
- Daylight
- 10 h 57 min07:18 – 18:15
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−2:30America/St_Johns
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %5 %
- Few rainy daysweight 20 %42 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
St. John's in October: quick answers
Is St. John's hot in October?
No. In October, St. John's is cool: daytime highs average 11 °C and nights drop to about 7 °C.
Can you swim in St. John's in October?
Only if you don't mind cold water: in October the sea averages just 9.5 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in St. John's in October?
Rain is frequent, with about 12 rainy days and 100 mm in total.
St. John's month by month
The whole year in St. John'sAll destinations: CanadaWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences