August weather forecastLeominster, MA
August
Weather in August
August sees Leominster under the lingering touch of summer. It's as warm as July, though there is a subtle mellowing of temperatures towards the end of the month. Anticipation of the fall becomes apparent as daylight hours begin to reduce. August sees a slight decline in warmth, as temperatures hover between 59.5°F (15.3°C) to 79.3°F (26.3°C). The last holiday of the summer season is enjoyed before the arrival of autumn.Temperature
The shift to August signals an average high-temperature of a still warm 79.3°F (26.3°C), subtly varied from July's 81.3°F (27.4°C). Throughout August, the average low-temperature dips to a moderate 59.5°F (15.3°C).Humidity
In August, the average relative humidity is 76%.Rainfall
In Leominster, during August, the rain falls for 14.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Leominster, during the entire year, the rain falls for 148.5 days and collects up to 29.29" (744mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:11 am and sunset at 7:22 pm EDT.
Sunshine
With an average of 10.2h 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 health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during August leads to these advisories:
Take precautions against overexposure. Protection against sun damage is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Leominster, MA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Leominster, MA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Leominster, MA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Leominster, MA
- Average humidity in August: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in August
Leominster, MA
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in August
Leominster, MA
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and February (7.3 days).
Average snowfall in August
Leominster, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Leominster, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Leominster, MA
- 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Leominster, MA
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in August
Leominster, 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
Leominster, MA
- Average cloud cover in August: 35
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Leominster, MA
- Average visibility in August: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).





