where the temperature is equal to or exceeds and nearly 20 days above . In comparison, New York City has had a total of 59 days when the temperature was equivalent to or above since 1870. Temperatures generally begin to approach or even exceed by April. Biskra is one of the hottest cities in the country when it comes to daytime temperatures. Indeed, this one is often higher than (27 °C) during the hottest months. The highest minimum temperature recorded in Biskra was on 4 July 1993, making it the hottest night ever recorded in the city. On 14 July 1910, the temperature reached which is the record of heat in Biskra. The climate is very dry and mostly very clear. Rainfall is limited to only 128.8 mm per year. Precipitation is quite rare despite some showers usually during the coldest months, mainly January and February, where it rains several times in the season, which brings the majority of humidity to Biskra in a year. The highest precipitation record recorded in Biskra in a year is (600.5 mm) in 1910 while the driest year is only (27.7 mm) recorded in 1945. The extreme heat that prevails during the summer can cause violent storms at the end of it and usually occur in September, when the air humidity becomes significantly higher with an average of 41% moisture per year. The month with the highest air rate in Biskra is December with 59% humidity, July is the least heavy month with only 27% on average per year. Aside from rainfall or humidity, sandstorms can occur several times a month and even become Haboob, which can make visibility almost zero. Biskra has a very good duration of sunshine in the year with an average of 3,292 hours of sunshine a year. The wettest month is November with (20.1 mm), while July is the driest month with (1.7 mm). The hot, dry and sunny climate of the city sometimes attracts some inhabitants of the northern regions as in the city of Batna located 115 km northeast, which experiences fairly icy and wet winters during this period, to enjoy the pleasant weather and sunny in winter. On average, Biskra knows no day in the year with a temperature below zero. Moving away from the urban area, the risk of frost may be more frequent and night temperatures are lower. Biskra very rarely experiences freezing days