March is a transitional month for the plains of North India that include Punjab, Haryana, Delhi, Rajasthan and Uttar Pradesh. Rainfall activity is more during the first half of March as compared to the second half. This is because during the first half the northern plains stay under the influence of weather systems affecting the northern hills, but towards the end of March the weather systems recede resulting in less rains over the plains.
In the month of March so far, the northern plains are witnessing rain deficiency. Punjab is observing a rainfall deficiency of 60%, followed by Haryana 36%, West Uttar Pradesh 47% and East Uttar Pradesh 39%.
In terms of temperatures also the region has been cooler. By this time, day temperatures in northern parts of Punjab and Haryana reach 35˚C but most parts in this region are still observing day temperatures settling close to 30˚C.
Similarly, in the southern parts of these states, maximum temperatures reach 40˚C by now, but the scenario currently is a little different. All the districts here are witnessing maximums around 32˚C.
Day temperatures in most places in Uttar Pradesh such as Lucknow and Kanpur also hover around 38˚C by now , but the maximums are settling below 35˚C.
In the coming days i.e. around March 29 and 30, scattered light rainfall activity will occur in parts of Punjab and Haryana. On March 30 and 31, some places in Uttar Pradesh will also receive scattered weather activities. However, these rains will not be sufficient enough to cover up the rainfall deficiency being observed by these states during March.
Moreover, as we move from March to April, rains will reduce further as Pre-Monsoon conditions will start to establish itself more strongly. In fact, a huge difference is seen in the normal average rainfall over most parts of Northwest India.
Lets us have a look at the average normal rainfall in some parts of northwestern plains:
Looking at the above table we can say that the rains in April reduce significantly and become almost half compared to March.
Image Credit: Wikipedia
Please Note: Any information picked from here must be attributed to skymetweather.com