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 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
Rowley notes an average high-temperature of a still moderately hot 77°F (25°C) in August, hardly diverging from July. During August, Rowley observes a consistent average nighttime temperature of 63°F (17.2°C).Humidity
In Rowley, the average relative humidity in August is 77%.Rainfall
In August, the rain falls for 11.4 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. In Rowley, during the entire year, the rain falls for 145.2 days and collects up to 27.05" (687mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Rowley, the average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 5:35 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
With an average of 10.7h of sunshine, August has the most sunshine of the year.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 threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Rowley?
What is the average humidity in August?
How much does it rain in Rowley in August?
When it does not snow?
How many hours of daylight does Rowley have in August?
When are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Rowley have in August?
What are the months with the highest UV index?
What is the UV index intensity in August in Rowley?
Average temperature in August
Rowley, MA
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in August
Rowley, 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
Rowley, MA
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in August
Rowley, MA
- Average humidity in August: 77%
The months with the highest relative humidity are February and June (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Rowley, MA
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in August
Rowley, MA
- Average rainfall days in August: 11.4 days
The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in August
Rowley, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Rowley, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rowley, MA
- Average daylight in August: 13h and 5min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Rowley, MA
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in August
Rowley, 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
Rowley, MA
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Rowley, 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).
Rowley, Massachusetts, USA
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