Other than Hurricane Ian, Munich Re reports the most costly natural disasters worldwide in 2022 included:

Severe flooding in Pakistan from record-breaking rainfall. In the month of August 2022, the country received between five- and seven-times the normal amount of rain. Munich Re reports glacier melt caused by high temperatures exaggerated the flooding. Around 1,700 people were killed in the floods, and direct losses are estimated at $15 billion.
Flash flooding and severe river flooding from heavy rainfall in southeast Australia in February and March 2022 affected major population centers like Brisbane and Sidney. Another bout of extreme rainfall in October 2022 led to even more disastrous flooding in southeastern Australia. In total, flooding caused losses of around $8.1 billion in Australia last year.
Losses from natural disasters in the Asia-Pacific region increased to an estimated $70 billion. These disasters included a 7.4 earthquake in Japan ($8.8 billion in losses), which became the second-costliest natural disaster to hit this region.
Monsoon rains caused flooding in large areas of Nigeria and destroyed over 100,000 buildings and more than 1.2 million acres of farmland between June and October 2022. In April, Eastern South Africa experienced damaging flash flooding and torrential rainfall. Munich Re reports each of these flood events caused losses around $4 billion, and a total of 1,073 people died.

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Munich Re: Natural disasters caused losses of $270B in 2022