Night temperatures increased marginally in parts of Rajasthan due to the influence of a western disturbance, the meteorological department said on Tuesday. Night temperatures rose slightly across parts of Rajasthan, with light rain expected on December 31 due to a western disturbance. Sikar recorded the minimum of 6.5 degrees Celsius, Pali 6.9 degrees, Alwar and Pilani 7 degrees, Churu 7.2 degrees, while the night temperature in Jhunjhunu was 8.