Boston Weather in August: Temperature, Precipitation, Wind
In August, Boston has warm weather with an average temperature of 21.8°C (71.2°F). Daily highs reach an average of 25.5°C (77.9°F) while overnight lows tend to fall to 18.6°C (65.5°F). It feels slightly cooler than the actual temperature, with an average daily “feels like” temperature of 21.9°C (71.3°F). The humidity in Boston during August averages around 71.2% and there are strong chances of rain with an average precipitation of 4.83 mm (0.19 inches) and a precipitation probability of 38.7%. The city experiences windy conditions with an average wind speed of 25.1 km/h (15.6 mph) and gusts up to 34.6 km/h (21.5 mph). The average cloud cover is 66.2%, but the visibility remains good at an average of 14.6 km (9.1 miles). The UV index is high at 6.5, indicating a significant risk of harm from unprotected sun exposure.
What is the temperature in Boston in August?
Average air temperature in Boston is 21.8°C (71.2°F) in August. The outside temperature in Boston feels like 21.9°C (71.3°F) on a typical August day. The highest average temperature during sunny days is 25.5°C (77.9°F) and feels like 25.8°C (78.4°F). The lowest average temperature after dark is 18.6°C (65.5°F) which feels like 18.6°C (65.5°F).
How hot is Boston in August?
The hot temperature in August in Boston rises to 30.6°C (87.1°F) on sunny days with low cloud coverage and 71.2% humidity. During hottest days of August it feels like 33.3 °C (91.9°F). The average maximum temp in Boston is 25.5°C (91.9°F) during day time in August.
How cold is Boston in August?
The coldest temp in Boston in August drops to 15.6°C (60.1°F) during the cold nights. With 25.1km/h (15.6mph) winds and 71.2% humidity it feels like 15.6°C (60.1°F) on the coldest nights. The average minimum temperature is 18.6°C (65.5°F) during night time in August.
Does it rain in Boston in August?
Yes, it rains for 12 days in Boston, United States in August averaging 4.83 mm of precipitation. Boston has a 38.7% chance for rain throughout the entire month of August.
How much does it rain in Boston throughout August?
Boston has 4.83 mm (0.19 inch) of rain per day on average in August. It rains for an average of 12 days out of the entire month.
Is Boston windy in August?
The average speed of wind in Boston, United States during August is 25.1km/h (15.6mph) and average windgust is 34.6km/h (21.5mph). On some days in August wind can reach up to 54.1km/h (33.6mph).
What is the direction of the wind in Boston in August?
Most days of August the wind is blowing from South direction in Boston.
What are the humidity levels in Boston in August?
The average humidity levels in Boston in August are 71.2%. Daily humidity levels in Boston range from 49.1% to 92.9% during August.
How many hours of daylight are in Boston in August?
Boston has 13 hours 51 minutes of daylight in August on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Boston in August is at 5:52:15 and the sunset is at 19:43:29.
What is the cloud coverage in Boston in August?
Clouds cover 66.2% of the sky on average throughout August in Boston. The cloud coverage ranges from 24.4% to 100% depending on the day of the month.
What is the UV level in August in Boston?
The average UV index in Boston is 6.5 in August. UV levels change throughout the month and range from 2 to 9.
What is the solar radiation in Boston in August?
The average solar radiation is 157.4 W/m2 (Watts per square meter) in Boston during August. However solar radiation levels change throughout the month and range from 45.3 W/m2 to 248.5 W/m2.
What is the solar energy during August in Boston?
The average solar energy during August in Boston is 13.6 MJ/m2 (megajoules per square metre). Solar energy ranges from 3.9 MJ/m2, to 21.5 MJ/m2 during August.
Are there severe weather risks in Boston in August?
Yes, there is a 16.1% risk for severe weather in Boston, United States in August.
What is the air pressure in Boston in August?
On average the air pressure in Boston in August is 1012.9 mb (millibars). Throughout the month the sea level pressure ranges from 1001.7 mb to 1022.1 mb.
What is the visibility in Boston in August?
The average daylight visibility in Boston in August is 14.6 km (9.1 miles). Depending on the precipitation the visibility ranges from 8.1 km (5 miles) to 16 km (9.9 miles) throughout August.
What is the dew point in Boston in August?
The average dew point in Boston during August is 15.9°C (60.6°F).
Where is the data for Boston climate in August coming from?
The climate data for Boston, Massachusetts, United States in August is collected from the following weather stations.
- Northeastern University MA US WEATHERSTEM
- BEDFORD HANSCOM FIELD, MA US
- BOSTON, MA US
- NORWOOD MEMORIAL AIRPORT, MA US
- KB1DML Cambridge MA US
- FW2140 Somerville MA US
- KBED
- KBOS
- KOWD