Weather and season

                                                                                       spring Season of the year that appears between winter and summer; in the northern hemisphere, it falls roughly between March 21, the vernal equinox, and June 21, the summer solstice, and in the southern hemisphere between September 21 and December 21.                                                                                    summer Season of the year between spring and autumn; in the northern hemisphere, it falls roughly between June 21, the summer solstice, and September 21, the autumnal equinox, and in the southern hemisphere between December 21 and March 21.                                                                                   autumn Season of the year between summer and winter; in the northern hemisphere, it falls roughly between September 21, the autumnal equinox, and December 21, the winter solstice, and in the southern hemisphere between March 21 and June 21.