Weather of 2023

In January, a cold snap in Afghanistan killed at least 166 people and more than 80,000 livestock.[17] A national low temperature was set in Mohe City, China at −63.4 °F (−53.0 °C), on January 23.[18] Two days later, snow fell in Algeria for the first time in ten years.[19]

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.[20][21] 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.[22][23] In February, Cyclone Freddy formed and lasted until March 14, making it the longest lived tropical cyclone on record, surpassing Hurricane John of 1994,[24] trekking across the entire Indian Ocean, the first to do so since Hudah and Leon-Eline in 2000.[25] In addition, Freddy also recorded the highest accumulated cyclone energy of any tropical cyclone worldwide, at 87.01, surpassing the previous record of 85.26 by Hurricane Ioke in 2006.[25] Freddy killed 602 people, and left 446 missing.

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[26] as it dissipated on February 11.[27] Storm Otto, also known as Storm Ulf, brought high winds to the United Kingdom, Norway, and Germany. The highest wind gust was recorded in Cairngorms, UK, at 193 km/h (120 mph).

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.[28]
• December 26–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.[29][30]
• 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.[31][32]
• December 18, 2022 – February 5, 2023 — A shear line system caused flooding and landslides across the Philippines, killing 97 people with 25 more missing.[33]
• January 4 — Heavy rains caused a house to collapse in Matala, Angola, with two people being killed.[34]
• January 4–5 — Flooding and landslides in Buvaku, Democratic Republic of the Congo kills five people.[35]
• January 6–8 — Flooding and landslides in Indonesia kills five people.[35]
• January 10 — Flooding and landslides in Minas Gerais, Brazil kill six people.[36]
• January 10–17 — A cold snap in Afghanistan kills at least 166 people and more than 80,000 livestock.[17] The coldest temperature recorded was −33 °C (−27 °F) in the province of Ghor.[37]
• January 12 — An early season tornado outbreak causes at least nine deaths in the Southern United States and several tornado emergencies.[38]
• January 12 — A lightning strike in HaOgen, Israel kills a person walking their dog.[39][40]
• January 13–16 — Heavy rains in Tijuana, Mexico cause extreme flooding and a mudslide which killed two people.[41]
• January 14 — A flash flood in Medellín, Colombia killed two people and injured 25 others.[42]
• January 15 — Fatehpur, Rajasthan records a temperature of -4.7 Celsius (23.4 Fahrenheit) from a cold wave.[43]
• January 16 – Two EF1 tornadoes touch down in Iowa, the first tornadoes in the state in January since 1967.[44]
• January 16 — A landslide in Locroja District, Peru kills three people and leaves three others injured.[45]
• January 17 — An avalanche strikes Nyingchi, Tibet, killing 28.[46]
• January 18–19 — Flooding and landslides in Brazil kill 3 and leave 2 missing.[47]
• January 20 — Cyclone Cheneso leaves 33 dead and 20 missing in Madagascar.[48][49]
• 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 [50] and 3 injuries [51]
• 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.[52]
• January 31–February 2 — An ice storm kills 10 people and causes 500,000 power outages across the Southern United States.[53]

Cyclone Freddy at peak intensity on February 19

• February 1 – 0.4 in (1.0 cm) of snow falls in New York City, becoming the latest date for first measurable snow there.[54]
• February 2 – Avalanche has buried a tourist near Mały Kościelec in Tatra Mountains, Poland. After a few days the men died.[55]
• 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.[56][57] The next day, the temperature of −10 °F (−23 °C) in Boston became the coldest day in the city since 1957.[58]
• February 5–7 – In the Mariano Nicolás Valcárcel District, 15 died from landslides that occurred after heavy rains.[59]
• February 10 - Widespread record highs were broken across the Eastern United States, ranging from 47 °F (8 °C) in Saint Johnsbury, Vermont to 80 °F (27 °C) in portions of North Carolina.[60]
• February 11–February 15 – Cyclone Gabrielle struck New Zealand particularly in the Gisborne and Hawkes Bay areas leaving 11 people dead while +3 are currently missing. Making it the most destructive cyclone in New Zealand since 1988.[61]
• February 16 – Record warm temperatures occur in the Eastern United States. Islip, New York, Bridgeport, Connecticut, Bedford, Massachusetts and Newport, Rhode Island all set record highs for the month of February. The record in Newport was broken by 6 °F (4 °C). At LaGuardia Airport, the low of 54 °F (12 °C) tied for the warmest low on record, while Central Park observed a low of 56 °F (13 °C), the second warmest February low on record.[62]
• February 18–21 – Floods and mudslides kill at least 64 people across the state of São Paulo in Brazil.[10]
• February 22–March 13 – Cyclone Freddy makes landfall in Madagascar and Mozambique, killing at least 238 people and damaging thousands of homes.[1][2][3][4][5][6]
• February 21–28 – A major storm complex caused almost a million power outages throughout the United States, with Michigan being the most affected, with an ice storm that left at least one dead in Michigan when a power line fell on a volunteer firefighter.[63]

• 

  The aftermath of the 2023 Serasan landslide
  March 1–3 – A storm complex containing both severe thunderstorms and heavy snowfall killed at least 13 people across the United States, including five in Kentucky, three in Alabama, two in Tennessee, one in Arkansas, and one in Mississippi.[64]
• March 6 – A landslide in Natuna Regency, Indonesia kills at least 50 people and four others remain missing.[65]
• March 7–20 – At least eight people were killed by Cyclone Yaku in Peru and Ecuador.[66][67][68]
• March 9–10 – Two people were killed and 9,400 were under evacuation orders as continuing atmospheric rivers brought heavy rains and flooding to parts of California.[69]
• March 15 – 16 deaths were reported as massive flash floods struck the Turkish provinces of Adiyaman and Sanliurfa, turning streets into rivers. These areas had been particularly hit hard by the past earthquakes.[70]
• March 21–22 – 5 died in California from high winds by a bomb cyclone that also caused two tornadoes, including one in Montebello.[71]
• March 22–25 – 14 died in the town Baardhere, Jubaland state, Somalia, when flash floods hit the area.[72]
• March 24–26 – 26 people were killed in a tornado outbreak in the Southern United States.[73]
• March 26 – 11 were killed and 67 were left missing by a landslide caused by heavy rains that occurred in Alausí, Ecuador.[74]
• March 31–April 1 – At least 26 people are killed in a tornado outbreak in the United States.

• April 5 – An EF2 tornado hit the town of Glen Allen, Missouri, killing five people.[75]