Martha's Vineyard Weather: August
 |
Average Day Temperature: | 76.0°F |
|
Average Night Temperature: | 72.2°F |
|
Sea Water Temperature: | 74.5°F |
|
Number of Sunny Days: | 13 days |
| Sunshine Hours: | 13.1 - 14.4 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.0 in | |
| detailed information | ||
forecast
| Martha's Vineyard |
Temperature
| Martha's Vineyard |
Air Temperature in August, °F
The highest day temperature in August 2025 was 81°F. The lowest night temperature was 63°F. The average values for day and night temperatures during August were 76.1°F и 68.1°F respectivly.
Martha's Vineyard Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Martha's Vineyard was 71.2°F. The maximum and minimum values were 69.2°F and 74.6°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Martha's Vineyard is 1.0 in.
The average wind speed in August is 10.6 mph. It makes August one of the most windless months of the year for Martha's Vineyard.
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 Martha's Vineyard in August is 8.4 hours.
Martha's Vineyard on the Weather Map
| Chicago |  |
+24 |
| Hawaii |  |
+80 |
| Honolulu | |
+80 |
| Houston | |
+50 |
| Las Vegas | |
+50 |
| Los Angeles | |
+58 |
| Maui |  |
+72 |
| Miami | |
+76 |
| Miami Beach |  |
+80 |
| New York | |
+30 |
| San Diego | |
+58 |
| San Francisco | |
+48 |
| Sarasota | |
+72 |
| Tampa | |
+72 |
| Washington | |
+26 |
| 0000 |  |
28°F | N 4 mph |
| 0300 |  |
32°F | W 2 mph |
| 0600 | |
32°F | SW 2 mph |
| 0900 |  |
38°F | SE 1 mph |
| 1200 | |
40°F | N 4 mph |
| 1500 | |
40°F | NE 4 mph |
| 1800 | |
40°F | NE 7 mph |
| 2100 | |
40°F | E 11 mph |