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. However, osmosis is a special case of diffusion.
Avignon: Annual Weather Averages. July is the hottest month in Avignon with an average temperature of 24Â°C (75Â°F) and the coldest is January at 6Â°C (43Â°F) with the most daily sunshine hours at 13 in July.The wettest month is September with an average of 65.8mm of rain.vignon: Annual Weather Averages. July is the hottest month in Avignon with an average temperature of 24Â°C (75Â°F) and the coldest is January at 6Â°C (43Â°F) with the most daily sunshine hours at 13 in July.
Between 1309 and 1377 seven popes lived in Avignon and the town was sold to the papacy by Countess Jeanne of Provence. The town remained part of the Papal until 1791 and the French Revolution when the town became part of France once again.ur Avignon weather forecaster is reporting Sunday 18 th October to be the wettest day in the coming week with around 3.60mm (or 0.1 inches) of rainfall. Make sure to carry an umbrella if you are out and about in Avignon.