Dartmouth Weather in October
Average highs run from 16°C on October 1 to 11°C on October 31, and lows from 11°C to 6°C. Normal precipitation for the month is 124 mm over about 12 wet days.
October day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 14°C
- Average low
- 8°C
- Precipitation
- 124 mm
- Record high
- 28°COct 6, 1946
- Record low
- -6°COct 22, 1974
- Daylight
- 11 h 43 min to 10 h 13 min
- Cloud cover
- 65%
- Humidity
- 83%
- Dew point
- 8°C
- Wind
- 16.9 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 16°C | 11°C | 23°C 2002 | 1°C 1945 | 38% |
| Oct 2 | 16°C | 10°C | 25°C 1968 | 2°C 1974 | 39% |
| Oct 3 | 16°C | 10°C | 23°C 1995 | 1°C 1947 | 39% |
| Oct 4 | 16°C | 10°C | 24°C 1983 | 1°C 1992 | 40% |
| Oct 5 | 16°C | 10°C | 24°C 1946 | 1°C 1992 | 39% |
| Oct 6 | 15°C | 10°C | 28°C 1946 | 1°C 1955 | 37% |
| Oct 7 | 15°C | 9°C | 24°C 1947 | 0°C 1965 | 36% |
| Oct 8 | 15°C | 9°C | 23°C 1970 | -2°C 1954 | 36% |
| Oct 9 | 15°C | 9°C | 22°C 1950 | -1°C 1975 | 36% |
| Oct 10 | 15°C | 9°C | 23°C 1961 | -1°C 1963 | 36% |
| Oct 11 | 15°C | 9°C | 22°C 2003 | -1°C 1986 | 35% |
| Oct 12 | 14°C | 8°C | 22°C 2003 | -1°C 1956 | 35% |
| Oct 13 | 14°C | 8°C | 21°C 2003 | -1°C 1994 | 35% |
| Oct 14 | 14°C | 8°C | 22°C 1954 | -2°C 1972 | 36% |
| Oct 15 | 14°C | 8°C | 21°C 1971 | -1°C 1980 | 37% |
| Oct 16 | 14°C | 8°C | 25°C 1968 | -2°C 1980 | 37% |
| Oct 17 | 13°C | 8°C | 23°C 1947 | 0°C 1978 | 36% |
| Oct 18 | 13°C | 8°C | 22°C 1947 | -1°C 1978 | 36% |
| Oct 19 | 13°C | 7°C | 24°C 1963 | -2°C 1972 | 36% |
| Oct 20 | 13°C | 7°C | 24°C 1963 | -2°C 1971 | 37% |
| Oct 21 | 13°C | 7°C | 18°C 1965 | -5°C 1974 | 39% |
| Oct 22 | 12°C | 7°C | 20°C 1979 | -6°C 1974 | 40% |
| Oct 23 | 12°C | 7°C | 18°C 1958 | -2°C 1969 | 40% |
| Oct 24 | 12°C | 7°C | 22°C 1963 | -3°C 1978 | 40% |
| Oct 25 | 12°C | 6°C | 19°C 1957 | -2°C 1974 | 40% |
| Oct 26 | 12°C | 6°C | 19°C 1963 | -3°C 1956 | 42% |
| Oct 27 | 12°C | 6°C | 24°C 1946 | -3°C 1956 | 43% |
| Oct 28 | 11°C | 6°C | 21°C 1947 | -3°C 1976 | 43% |
| Oct 29 | 11°C | 6°C | 22°C 1971 | -2°C 1965 | 42% |
| Oct 30 | 11°C | 6°C | 19°C 1994 | -3°C 1985 | 43% |
| Oct 31 | 11°C | 6°C | 20°C 1956 | -3°C 1944 | 43% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (ADT).
- October 1
- sunrise 7:12 AM, sunset 6:55 PM
- October 31
- sunrise 7:51 AM, sunset 6:04 PM
Other months
Sources
Records: NOAA GHCN-Daily, station CA008205090, every year on file, quality-flagged values removed. 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.