Salem
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Salem, NH

Ocean temperature

With an average ocean temperature of 66.4°F (19.1°C), August is the month with the warmest seawater in Salem, New Hampshire.
Note: Swimming in 66.4°F (19.1°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In Salem, the average length of the day in August is 13.9h.

When is the ocean warmest in Salem?

With an average ocean temperature of 66.4°F (19.1°C), August is the month with the warmest seawater.

What is the ocean temperature in August in Salem?

In Salem, New Hampshire, the average seawater temperature in August is 66.4°F (19.1°C). For swimming, a surface water temperature of 66.4°F (19.1°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in August in Salem?

In Salem, the average length of the day in August is 13.9h.
Average sea temperature in August - Salem, NH
  • Average sea temperature in August: 19.1°C

The best month for swimming (with the highest average sea temperature) is August (19.1°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).

Average daylight in August - Salem, NH
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).