Montauk, Long Island 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: July – August
What is the weather like in Montauk, Long Island in October?
In October, Montauk, Long Island is mild: daytime highs average 16 °C, and nights cool down to about 13 °C. The sea averages 17.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 124 mm in total. It is often windy, with gusts of around 36 km/h. All in all, October is not an ideal month for a holiday in Montauk, Long Island.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 48 | 21 | 17 |
| Day | 21° | 16° | 12° |
| Night | 18° | 13° | 7° |
| Sea | 20° | 17° | 13° |
| Sun | 7 h | 6 h | 5 h |
| Rain days | 9 | 10 | 10 |
More details for October
- Daylight
- 11 h 11 min06:58 – 18:09
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 36 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %59 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Montauk, Long Island in October: quick answers
Is Montauk, Long Island hot in October?
No. In October, Montauk, Long Island is mild: daytime highs average 16 °C and nights drop to about 13 °C.
Can you swim in Montauk, Long Island in October?
Only if you don't mind cold water: in October the sea averages just 17.0 °C. Comfortable swimming is possible from July to September.
Does it rain much in Montauk, Long Island in October?
Rain is frequent, with about 10 rainy days and 124 mm in total.
Montauk, Long Island month by month
The whole year in Montauk, Long IslandAll destinations: USAWhere 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