Memphis, TN, December 24, 2025
On December 24, Memphis experienced record-breaking warmth, with temperatures reaching up to 78°F, surpassing previous December records. Similarly, Phoenix saw exceptional warmth, tying its record high at 83°F. This unseasonably warm weather is attributed to a high-pressure system affecting the southwestern United States, leading to temperatures significantly above average for this time of year. This phenomenon raises concerns about the implications of warmer winters on energy consumption, health risks, and local ecosystems.
Memphis Records Unprecedented December Heat
Exceptional Warmth Hits Memphis and Phoenix
Memphis, TN – On December 24, 2025, Memphis experienced unprecedented warmth, setting new records for both high and low temperatures. The high reached 78°F, surpassing the previous record of 76°F set in 1998. Additionally, the low temperature of 64°F broke the previous record of 62°F from 1916. This unseasonably warm weather is attributed to a persistent southwest flow bringing unusually warm air into the region.
Phoenix, AZ – Similarly, Phoenix has been enduring exceptional warmth this December. On December 18, 2025, the city tied its record high of 83°F, a mark first set in 1980. The following day, December 19, also saw a high of 83°F, matching the record from 1980. These temperatures are significantly above the December average of 66.2°F.
Unseasonably Warm Conditions
The warm temperatures in both cities are the result of a high-pressure system that has settled over the southwestern United States. This system has kept skies clear and precipitation nearly absent, leading to temperatures 10–20 degrees above average for many Arizona communities, including Phoenix.
Historical Context
December is typically a cooler month in both Memphis and Phoenix. In Memphis, the average high temperature for December is 56°F, with a low of 38°F. The highest recorded temperature for December in Memphis is 79°F, set in 1982. In Phoenix, the average high temperature for December is 66.2°F, with a low of 45.3°F. The highest recorded temperature for December in Phoenix is 83°F, set in 1980.
Implications
These record-breaking temperatures highlight the ongoing trend of warmer winters in the southwestern United States. Such unseasonably warm conditions can have various impacts, including increased energy consumption, potential health risks, and effects on local ecosystems.
Looking Ahead
Forecasts indicate that the warm conditions are expected to continue in both cities for the foreseeable future. Residents are advised to stay informed about weather updates and take necessary precautions during this unusually warm period.
Frequently Asked Questions (FAQ)
What were the record high and low temperatures in Memphis on December 24, 2025?
The record high temperature was 78°F, surpassing the previous record of 76°F set in 1998. The record low temperature was 64°F, breaking the previous record of 62°F from 1916.
What was the record high temperature in Phoenix on December 18, 2025?
Phoenix tied its record high of 83°F on December 18, 2025, a mark first set in 1980.
What is the typical December temperature in Memphis?
The average high temperature for December in Memphis is 56°F, with a low of 38°F.
What is the typical December temperature in Phoenix?
The average high temperature for December in Phoenix is 66.2°F, with a low of 45.3°F.
What is causing the unseasonably warm temperatures in these cities?
A high-pressure system has settled over the southwestern United States, leading to clear skies and temperatures 10–20 degrees above average for many Arizona communities, including Phoenix.
How long are the warm conditions expected to last?
Forecasts indicate that the warm conditions are expected to continue in both cities for the foreseeable future. Residents are advised to stay informed about weather updates and take necessary precautions during this unusually warm period.
Key Features of the Record-Breaking Temperatures
| City | Record High Temperature | Record Low Temperature | Previous Record High | Previous Record Low | Date of Record |
|---|---|---|---|---|---|
| Memphis, TN | 78°F | 64°F | 76°F (1998) | 62°F (1916) | December 24, 2025 |
| Phoenix, AZ | 83°F | Not specified | 83°F (1980) | Not specified | December 18, 2025 |
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Author: STAFF HERE MEMPHIS WRITER
The MEMPHIS STAFF WRITER represents the experienced team at HEREMemphis.com, your go-to source for actionable local news and information in Memphis, Shelby County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Beale Street Music Festival, Elvis Week, and Memphis in May International Festival. Our coverage extends to key organizations like the Greater Memphis Chamber and the Memphis Convention & Visitors Bureau, plus leading businesses in logistics, healthcare, and music that power the local economy such as FedEx, St. Jude Children's Research Hospital, and AutoZone. As part of the broader HERE network, including HEREBristol.com, HEREChattanooga.com, HEREKnoxville.com, and HERENashville.com, we provide comprehensive, credible insights into Tennessee's dynamic landscape.
