Nantucket Weather: May
 |
Average Day Temperature: | 54.1°F |
|
Average Night Temperature: | 53.0°F |
|
Sea Water Temperature: | 53.2°F |
|
Number of Sunny Days: | 9 days |
| Sunshine Hours: | 14.0 - 14.9 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.0 in | |
| detailed information | ||
forecast
| Nantucket |
Temperature
| Nantucket |
Air Temperature in May, °F
The highest day temperature in May 2025 was 62°F. The lowest night temperature was 47°F. The average values for day and night temperatures during May were 55.7°F и 53.9°F respectivly.
Nantucket Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for Nantucket was 53.6°F. The maximum and minimum values were 49.8°F and 57.0°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Nantucket is 1.0 in. It makes may one of the least rainy months of the year.
The average wind speed in May is 15.8 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nantucket in May is 7.0 hours.
Nantucket on the Weather Map
| Chicago |  |
0 |
| Hawaii |  |
+78 |
| Honolulu | |
+78 |
| Houston | |
+46 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach | |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
18°F | SE 22 mph |
| 0600 | |
18°F | S 16 mph |
| 0900 |  |
22°F | S 6 mph |
| 1200 |  |
26°F | NE 4 mph |
| 1500 | |
28°F | NE 9 mph |
| 1800 | |
30°F | NE 8 mph |
| 2100 | |
32°F | N 7 mph |
| 0000 | |
34°F | N 6 mph |