Weather in Montauk: May
| Average day temperature: | 59.7°F | |
| Average night temperature: | 52.4°F | |
| Sea water temperature: | 51.5°F | |
| Number of sunny days: | 10 days | |
| Day length: | 14.0 - 14.9 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 1.2 in. | |
| more information | ||
14 days
forecast
forecast
| Montauk |
sea water
temperature
temperature
| Montauk |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 61°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during May were 56.0°F and 53.3°F.
Sea water temperature in Montauk in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 52.3°F. The highest and lowest sea temperatures during the month were 55.4°F and 47.5°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Montauk in May is 1.2 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.8 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.5.
Best time for vacation in Montauk
Montauk on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Montauk
Local time: 04:35
December 18, thursday
0600

36°F
E
5 mph
5 mph
0900

39°F
NW
2 mph
2 mph
1200

45°F
N
9 mph
9 mph
1500

46°F
N
14 mph
14 mph
1800

46°F
N
14 mph
14 mph
2100

46°F
N
19 mph
19 mph
December 19, friday
0000

48°F
N
22 mph
22 mph
0300

48°F
N
25 mph
25 mph



























