Weather of 2023

In January, a cold snap in Afghanistan killed at least 157 people and more than 75,000 livestock.[7] A national low temperature was set in Mohe City, China at −63.4 °F (−53.0 °C), on January 23.[8] Two days later, snow fell in Algeria for the first time in ten years.[9]

The first named tropical cyclone of the year was Cyclone Hale, which caused minimal damage and one death in New Zealand as an extratropical cyclone.[10][11] Later in January, Cyclone Cheneso killed at least 33 people in Madagascar and left 20 missing. In addition, it damaged over 13,000 houses and 18 medical centers.[12][13]

Cyclone Helios which formed in early February brought recorded rain and humidity to Malta from 80 years. Luqa recorded rain with a total of 140.4 millimeters. meteo.it defined it as a Mediterranean tropical-like cyclone[14] as it dissipated on February 11.[15]

Severe weather causing a cold snap in Afghanistan on January 28.

• November 2022–January 2023 – The rainy season in Malawi resulted in 42 fatalities from various severe weather incidents.[16]
• December 31–January 25 — 2022–2023 California floods: A series of atmospheric rivers impacts California, killing 22 people and causing at least 200,000 power outages in the state.[17][18]
• January 1 – A weather station in Abed, Denmark measured the hottest temperature ever nationwide in the month of january, measuring 12.6 °C (54.7 °F), breaking the previous record of 12.4 °C (54.3 °F) from January 10, 2005.[19][20]
• January 3–Present — A shear line system caused flooding and landslides across the Philippines, killing 35 people with seven more missing.[21]
• January 4 — Heavy rains caused a house to collapse in Matala, Angola, with two people being killed.[22]
• January 4–5 — Flooding and landslides in Buvaku, Democratic Republic of the Congo kills five people.[23]
• January 6–8 — Flooding and landslides in Indonesia kills five people.[23]
• January 9 — An avalanche kills one person and injures two others in Val-d'Oronaye, France.[24]
• January 10 — Flooding and landslides in Minas Gerais, Brazil kill six people.[25]
• January 10–19 — A cold snap in Afghanistan kills at least 157 people and more than 75,000 livestock.[26] The coldest temperature recorded was −33 °C (−27 °F) in the province of Ghor.[27]
• January 12 — An early season tornado outbreak causes at least six deaths in the Southern United States and several tornado emergencies.[28]
• January 12 — A lightning strike in HaOgen, Israel kills a person walking their dog.[24][29]
• January 13–16 — Heavy rains in Tijuana, Mexico cause extreme flooding and a mudslide on the 16th which killed two people.[30]
• January 14 — A flash flood in Medellín, Colombia killed two people and injured 25 others.[31]
• January 15 — Fatehpur, Rajasthan records a temperature of -4.7 Celsius (23.4 Fahrenheit) from a cold wave.[32]
• January 16 – Two EF1 tornadoes touch down in Iowa, the first tornadoes in the state in January since 1967.[33]
• January 16 — A landslide in Locroja District, Peru kills three people and leaves three others injured.[34]
• January 17 — An avalanche strikes Nyingchi, Tibet, killing 28.[35]
• January 18–19 — Flooding and landslides in Brazil kill 3 and leave 2 missing.[36]
• January 20 — Cyclone Cheneso leaves 33 dead and 21 missing in Madagascar.[37][38]
• January 27–February 6 — Heavy amounts of rain struck Auckland and the upper North Island in New Zealand causing massive flooding resulting in 4 deaths [39] and 3 injuries [40]

• January 31 – Denmark had its wettest January on record, with a measurement of 123.6 mm (4.87 in) through the month, which beat the 123.0 mm (4.84 in) in January 2007 that previously held the record.[41]
• January 31–February 2 — An ice storm kills 10 people and causes 500,000 power outages across the Southern United States.[42]

• February 1 – 0.4 in (1.0 cm) of snow falls in New York City, becoming the latest date for first measurable snow there.[43]
• February 3–4 – A cold wave briefly hit New England and Canada. The wind chill on Mount Washington, New Hampshire drops to −108 °F (−78 °C), marking the coldest wind chill ever recorded in the United States.[44][45] The next day, the temperature of −10 °F (−23 °C) in Boston became the coldest day in the city since 1957.[46]
• February 5–7 – In the Mariano Nicolás Valcárcel District, 15 died from landslides that occurred after heavy rains.[47]
• February 10 - Widespread record highs were broken across the Eastern United States, ranging from 50 °F (10 °C) in Augusta, Maine to 80 °F (27 °C) in portions of North Carolina.[48]
• February 11–February 15 – Cyclone Gabrielle struck New Zealand particularly in the Gisborne and Hawkes Bay areas leaving 9 people dead. making it the most destructive cyclone in New Zealand since 1988.[49]