The best time to visit Jhajjar is from October to March. The weather is pleasant and moderate and this is also the time when several cultural festivals are held. Although the summer months tend to get very hot with temperatures rising to as high as 45 degrees.
The summer months from March to May can get unbearably hot with temperatures reaching to a high of 45°C. The accompanying hot winds can make the days all the more uncomfortable.
The district receives monsoon showers from June to August. The rain provides relief from the heat but also ushers in humidity.
Winter is from October to January and during this period, the days are pleasant and nights are cold. The temperature ranges between 12°C to 25°.