August weather forecastSalem, NH
August
Weather in August
In August, Salem's weather remains summery, featuring high temperatures around 79.9°F (26.6°C) and negligible snowfall. Bask in the late-summer sunshine which permeates the city, despite occasional rainy spells. August offers the perfect climate for beach activities as the sea temperature ascends to a warm 66.4°F (19.1°C). Although cooler evenings signal the upcoming end of summer, the warm weather during the day maintains the festive summertime ambience.Temperature
Stepping into August, Salem records an average high-temperature of a still moderately hot 79.9°F (26.6°C), almost consistent with July. In Salem, an average low-temperature of 61.9°F (16.6°C) is recorded during August nights.Humidity
The average relative humidity in August is 74%.Rainfall
In Salem, New Hampshire, during August, the rain falls for 13 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 144 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
In Salem, New Hampshire, snow does not fall in June through September.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 66.4°F (19.1°C).Note: For most people, a water temperature of 66.4°F (19.1°C) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 69.8°F (21°C).
Daylight
In August, the average length of the day is 13h and 52min.On the first day of August in Salem, sunrise is at 5:37 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:20 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.6h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In August, the maximum UV index of 6 translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Salem, NH
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in August
Salem, NH
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Salem, NH
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Salem, NH
- Average humidity in August: 74%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in August
Salem, NH
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in August
Salem, NH
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and February (7.6 days).
Average snowfall in August
Salem, NH
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Salem, NH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Salem, NH
- Average sea temperature in August: 66.4°F
The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in August /
Average sunshine in August
Salem, NH
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Salem, NH
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in August
Salem, NH
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Salem, NH
- Average cloud cover in August: 31
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Salem, NH
- Average visibility in August: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
