December Climate Summary Use the form below to select from a collection of monthly summaries recapping climate related occurrences on both a global and national scale. Learn more about how climate change altered december’s temperatures in our latest monthly attribution overview. climate central also has a new explainer on attribution science and how it.
December Climate Summary Below are the overview stats for december 2025 for our 9 climate sites. data prepared by nws peachtree city atlanta. December 2025 mean temperatures compared to 1991 2020 normals. december was the warmest december since at least 1895. a considerable warm period through much of the first half of the month boosted monthly average temperatures well above normal. The global climate continues to be a topic of concern, with extreme weather events becoming more frequent and intense. let’s delve into the key highlights of december 2025. December was an unsettled month, with alternating hot and cool spells, and a wet end to the month for many areas. overall, lower than average air pressure dominated over aotearoa new zealand in december.
December Climate Summary The global climate continues to be a topic of concern, with extreme weather events becoming more frequent and intense. let’s delve into the key highlights of december 2025. December was an unsettled month, with alternating hot and cool spells, and a wet end to the month for many areas. overall, lower than average air pressure dominated over aotearoa new zealand in december. Out now: read our summary of the december 2025 #c3s climate bulletin. highlights: ️ december 2025 was the fifth warmest december on record globally, 1.42°c above the estimated pre industrial. Record warm conditions covered 6.6% of the earth’s surface, a reduction from 11.7% in december 2023. cooler anomalies were less extensive but included most of the antarctic, parts of greenland, and specific regions in asia and africa. national highlights underscored this variability. This summary is intended to provide european and near global views of conditions for the month. specific information for many countries can be found on the websites of their weather or climate services. Overall, the u.s. saw above average temperatures in december, with an average anomaly — or difference from normal — of 0.4°f across 194 cities. december temperature anomalies were evenly split.
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