*Release chemicals that promote the formation of tight junctions between the endothelial cells of capillaries. -These endothelial cells and tight junctions form the blood-brain barrier. *Reactive astrocytosis - Respond to tissue damage in the CNS. -In response to injuries of CNS tissue, astrocytes participate in walling off the injury site and limiting the spread of inflammation into healthy tissue.
Rainy weather tends to be more frequent during the springtime in San Sebastian, although sunny days are still in good supply. The weather and climate in San Sebastian remains mild, with a mixture of clear and overcast skies. Average temperatures between February and April range from 14Â°C / 57Â°F to 18Â°C / 64Â°F.Without doubt the best time of the year to visit the San Sebastian area, the summer weather and climate is at its most appealing from June to September.ffering a moderate climate year-round, the mild weather in San Sebastian is extremely inviting. Tourists choose to visit the San Sebastian throughout the year, although the high season tends to fall around the summer months, when visitors arrive to enjoy the sunniest, warmest weather.
It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable. San Sebastian sebastiÃ¡n has a mild humid temperate climate with warm summers and no dry. Season the area within 25 mi of this station is covered by oceans and (seas41), % (croplands31), % and (forests28). %he average fraction of time spent in various temperature bands: frigid (below 15AÂ°15Ã¢), f (FREEZINGÂ°15a 15Ã¢ FÂ°To), 32a (32Ã¢Â°F cold 32AÂ°32Ã¢), f (TOÂ°50a 50Ã¢ FÂ°Cool), 50a (50Ã¢Â°F to 65AÂ°65Ã¢), f (COMFORTABLEÂ°65a 65Ã¢ FÂ°To), 75a (75Ã¢Â°F warm 75AÂ°75Ã¢) f to (85a 85Ã¢Â°F). hot 85a 85Ã¢ f to 100a 100Ã¢ f and sweltering above 100a 100Ã¢ f