The most significant storm of the season was the Bhola cyclone, which formed in the Bay of Bengal and hit Bangladesh on November 12.

A low-pressure area that developed over the southern Andaman Sea late in April moved north into the Bay of Bengal, becoming the first depression of the year on May 2.

The storm made its landfall near Cox's Bazar in easternmost East Pakistan (now Bangladesh) early in the morning of May 7 and dissipated over western Burma that evening.

Effects in East Pakistan are unknown, but Akyab in western Burma reported winds of 55 km/h (35 mph) as the cyclone approached land.

It moved towards the coast and made landfall to the south of Cox's Bazar that night, before dissipating over southern Assam on the next day.

The storm reached its peak with 95 km/h (60 mph); soon after this, as it turned to the west, but soon degenerated into a deep depression over the northern Arabian Sea on May 31.

The depression continued to move westward, weakening to a remnant low shortly afterward, as it made landfall on the Arabian Peninsula, on June 2.

[2] The cyclone itself had minimal effects on land, but the monsoon advanced into western India in late May in association with the system.

As the cyclone moved to the west away from the subcontinent, the incursion of moist air from the Arabian Sea persisted over northwestern India for the first three days of June.

The cyclone's motion shifted to the northwest and it made a second landfall near Balasore in northern Orissa that night.

The cyclone quickly weakened to a deep depression overland and tracked to the west over central India, where it degenerated into a broad area of low pressure on June 11.

High levels of rain affected much of Orissa and West Bengal, with over 100 mm (3.9 in) falling over large areas of both states.

After landfall, the storm continued to move to the northwest, weakening to a depression again on July 2, over northeast Madhya Pradesh.

Inland, the heavy rains caused some rivers in Orissa to overflow and flooded rice paddies in Cuttack District.

[2] A low-pressure area moved to the west, off the Burmese coast on July 5, and developed into a depression on the next day, in the north-central Bay of Bengal.

The system made landfall on the Orissa coast during the morning of July 8, and rapidly degenerated into a broad area of low pressure overland.

[2] A low-pressure area that was centred over West Bengal on August 31 organized into a depression on September 2, when it was 50 km (31 mi) to the east of Midnapore.

Some heavy rains in West Bengal flooded vast areas of many districts and resulted in some fatalities, whilst in parts of neighbouring Orissa the floodwaters damaged fields.

The rains in Uttar Pradesh caused severe property damage and flooding, with some 150 people losing their lives in the state.

[2] A well-defined low-pressure area formed over the west central Bay of Bengal on September 20, and developed into a depression on the next morning about 100 km (62 mi) south-east of Visakhapatnam.

The depression did not develop further as it drifted westward, and it degenerated into an area of low pressure on October 13, as it was approaching the Arabian Peninsula.

The storm peaked with winds of 130 km/h (80 mph) before it made landfall near the West Bengal–East Pakistan border, during the morning of October 23.

[2] This cyclone brought widespread rain to Tamil Nadu as it formed, and to the Andaman and Nicobar Islands as it moved over the Bay of Bengal.

On November 11 the Indian 5500 tonne freighter the Mahajagmitra reported wind speeds of 180 miles an hour and relayed a distress signal before it sank off the East Coast of India with 50 people on board.

[7] The Pakistani government was severely criticized for its handling of the relief operations following the storm, both by local political leaders in East Pakistan and in the international media.

[8] A low-pressure are that had developed over the south Andaman Sea moved west across the southern Bay of Bengal, and organized into a depression on the morning of November 19, when it was situated about 600 km (370 mi) southeast of Madras.

The cyclone continued to move west-southwestward, and rapidly weakened into a remnant low-pressure area off the Somalia coast on the next day, ending the season.