Jaisalmer, being an arid desert region, is prone to extremes in terms of temperature. The temperature varies greatly from day to night in both summer and winter. The maximum summer temperature is around 49 C ( F). The average rainfall is 209.5 millimetres (8.25 in).[4] Highest ever recorded temperature was 50.0 C (122.0 F);[5] the lowest ever recorded temperature being -5.9 C (21.4 F).[6] Temperature of up to 52.4 C (126.3 F) have been recor ded near the international border close to Pakistan, but standard conditions of this temperature recording remain unverified. jaiselmer