Physics and Chemistry. Diffusion is the movement of particles from an area of high concentration to an area of low concentration. Diffusion is not to be confused with osmosis, which is the movement of water through a semi-permeable membrane.
Attleboro, MA Weather. The average temperature of Attleboro is 49.32Â°F, which is higher than the Massachusetts average temperature of 48.14Â°F and is much lower than the national average temperature of 54.45Â°F. Historical Weather.
The record high is 100 Â°F (38 Â°C), set in 1955, and the record low is â33 Â°F (â36 Â°C), set in 1958. In terms of average annual precipitation, May is typically the wettest month, and February is the driest. Brattleboro averages 92.58 inches (235 cm) of snow annually.