The best time to visit Karnal Fort, often referred to as the Old Fort, in Karnal, Haryana, India is during the cooler months of October to March. During this period, the climate is pleasantly mild, which makes it an ideal time for sightseeing and exploring the historical monument without the discomfort of extreme temperatures. The winter season in Karnal brings with it a respite from the intense heat of the summer and the heavy monsoons, providing clear skies and optimal conditions for photography and outdoor activities. Daytime temperatures range comfortably between 15°C to 25°C, while nights might require light to medium woolens as the mercury may dip below 10°C.
Visiting the Karnal Fort in the peak summer months, from April to June, or during the monsoon season (July to September), is less advisable due to the scorching heat and potential for heavy rainfall, which can hamper mobility and comfort. Summers in Karnal can be extremely hot, with temperatures reaching up to 40°C, making outdoor excursions during the day quite challenging. Monsoons, on the other hand, bring humidity and the risk of flooding, which might restrict access to certain parts of the fort and its surroundings. Hence, planning your trip in the recommended cooler months will ensure a more enjoyable and culturally rich experience at this historical site.