Saint John Weather in October
Average highs run from 16°C on October 1 to 9°C on October 31, and lows from 7°C to 2°C. Normal precipitation for the month is 121 mm over about 12 wet days.
October day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
October at a glance
- Average high
- 12°C
- Average low
- 4°C
- Precipitation
- 121 mm
- Reanalysis high
- 24°COct 9, 2011
- Reanalysis low
- -5°COct 27, 2018
- Daylight
- 11 h 42 min to 10 h 11 min
- Cloud cover
- 65%
- Humidity
- 86%
- Dew point
- 6°C
- Wind
- 9.7 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 16°C | 7°C | 22°C 2002 | 0°C 1992 | 38% |
| Oct 2 | 16°C | 7°C | 24°C 2002 | -1°C 1992 | 38% |
| Oct 3 | 16°C | 7°C | 20°C 2005 | 1°C 2019 | 39% |
| Oct 4 | 15°C | 6°C | 21°C 2007 | 0°C 2002 | 40% |
| Oct 5 | 15°C | 6°C | 22°C 2005 | -2°C 1996 | 39% |
| Oct 6 | 15°C | 6°C | 21°C 2005 | -2°C 2004 | 38% |
| Oct 7 | 14°C | 6°C | 22°C 2016 | -2°C 2011 | 36% |
| Oct 8 | 14°C | 5°C | 21°C 2011 | -1°C 1999 | 37% |
| Oct 9 | 14°C | 5°C | 24°C 2011 | -1°C 2002 | 38% |
| Oct 10 | 14°C | 5°C | 21°C 2017 | 0°C 1993 | 38% |
| Oct 11 | 14°C | 5°C | 21°C 2003 | -4°C 1993 | 38% |
| Oct 12 | 13°C | 5°C | 20°C 2001 | -2°C 1996 | 37% |
| Oct 13 | 13°C | 4°C | 18°C 1995 | -1°C 1993 | 37% |
| Oct 14 | 13°C | 4°C | 21°C 1995 | -4°C 1993 | 38% |
| Oct 15 | 13°C | 4°C | 19°C 2014 | -3°C 2009 | 39% |
| Oct 16 | 13°C | 4°C | 20°C 2014 | -2°C 2009 | 39% |
| Oct 17 | 12°C | 4°C | 19°C 2014 | -1°C 1996 | 39% |
| Oct 18 | 12°C | 4°C | 18°C 2014 | -3°C 1992 | 38% |
| Oct 19 | 12°C | 3°C | 18°C 2016 | -4°C 2015 | 38% |
| Oct 20 | 12°C | 3°C | 17°C 2007 | -2°C 2003 | 39% |
| Oct 21 | 11°C | 3°C | 18°C 1995 | -3°C 2002 | 41% |
| Oct 22 | 11°C | 3°C | 21°C 2007 | -3°C 2018 | 41% |
| Oct 23 | 11°C | 3°C | 17°C 2017 | -4°C 2018 | 43% |
| Oct 24 | 11°C | 3°C | 19°C 2017 | -4°C 1993 | 42% |
| Oct 25 | 10°C | 3°C | 18°C 2017 | -4°C 1997 | 42% |
| Oct 26 | 10°C | 2°C | 19°C 2017 | -5°C 1993 | 43% |
| Oct 27 | 10°C | 2°C | 17°C 2008 | -5°C 2018 | 45% |
| Oct 28 | 10°C | 2°C | 18°C 1995 | -5°C 1999 | 45% |
| Oct 29 | 9°C | 2°C | 17°C 2003 | -4°C 2013 | 45% |
| Oct 30 | 9°C | 2°C | 18°C 2017 | -4°C 2002 | 46% |
| Oct 31 | 9°C | 2°C | 17°C 2012 | -5°C 2020 | 47% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (ADT).
- October 1
- sunrise 7:22 AM, sunset 7:04 PM
- October 31
- sunrise 8:02 AM, sunset 6:13 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.