Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August experiences an average high-temperature of a still warm 79.3°F (26.3°C), barely different from July's 80.4°F (26.9°C). Swampscott experiences a nighttime temperature average of 64.6°F (18.1°C) during August.Humidity
In August, the average relative humidity is 73%.Rainfall
In Swampscott, during August, the rain falls for 13.2 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 144.9 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Swampscott.Ocean temperature
With an average ocean temperature of 67.6°F (19.8°C), August is the month with the warmest seawater.Note: Swimming becomes less enjoyable for most at a surface water temperature of 67.6°F (19.8°C). As the temperature decreases below 69.8°F (21°C), breathing becomes increasingly difficult.
Daylight
In August, the average length of the day is 13h and 51min.On the first day of August, sunrise is at 5:36 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:19 pm EDT.
Sunshine
August has the most sunshine of the year in Swampscott, with an average of 10.4h 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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Swampscott in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What month is the ocean warmest?
What is the ocean temperature in August?
How many hours of daylight does Swampscott have in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How long on average sun shines in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Swampscott, MA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in August: 64.6°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in August
Swampscott, MA
- 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
Swampscott, MA
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Swampscott, MA
- Average humidity in August: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in August
Swampscott, MA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in August
Swampscott, MA
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in August
Swampscott, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Swampscott, MA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in August
Swampscott, MA
- Average sea temperature in August: 67.6°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in August /
Average sunshine in August
Swampscott, MA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in August
Swampscott, MA
- Average sunshine days in August: 16.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in August
Swampscott, MA
- 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
Swampscott, MA
- Average cloud cover in August: 32
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Swampscott, MA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Swampscott, Massachusetts, USA
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