A Look at the December 2020 Climate Report

news image
Special Stories
12 Jan 2021 3:00 AM
The stats are in for 2020, but let's also take a look back to last month. Here's the December 2020 Climate Highlights from NOAA NCEI:

TEMPERATURE

  • December was a warm month across parts of the West, Northern Tier, central Plains, Great Lakes and Northeast. North Dakota ranked fourth warmest while MontanaSouth Dakota and Maine ranked fifth warmest in the 126-year record.
  • Below-average temperatures were present in portions of the Four Corners region, Lower Mississppi Valley and Southeast during December.
  • For December, the average contiguous U.S. temperature was 35.7°F, 3.1°F above the 20th century average. This ranked in the warmest third of the 126-year period of record.

PRECIPITATION

  • The December precipitation total for the contiguous U.S. was 1.99 inches, 0.36 inch below average, and ranked in the driest third of the 126-year period of record.
  • Above-average precipitation occurred across parts of the central and southern Plains and from the Mid-Atlantic to New England.
  • Below-average precipitation dominated the West, northern Plains, Great Lakes, Ohio Valley and the Southeast.
  • According to the December 29 U.S. Drought Monitor report, approximately 49 percent of the contiguous U.S. was in drought, which is one percent higher than at the beginning of December. Drought conditions expanded or intensified across portions of the West as well as parts of the northern and central Plains and Texas. Drought severity and/or extent lessened across the Northeast.
Edited for WeatherNation by Mace Michaels
All Weather News
More
Major Snow Maker Aims at the Carolinas & Mid-Atlantic

Major Snow Maker Aims at the Carolinas & Mid-Atlantic

A strengthening coastal low is expected to br

30 Jan 2026 3:10 AM
Cold Alerts Issued as 200K+ Customers Remain Without Power

Cold Alerts Issued as 200K+ Customers Remain Without Power

While it's now been several days since the wi

30 Jan 2026 3:10 AM
Lake-Effect Snow Continues, Shifts Toward Chicago This Weekend

Lake-Effect Snow Continues, Shifts Toward Chicago This Weekend

Persistent bursts of cold air have continued

30 Jan 2026 3:05 AM
Rain Finally Makes a Return to the Northwest

Rain Finally Makes a Return to the Northwest

Earlier this week, Seattle recorded 2 straigh

30 Jan 2026 3:05 AM
Gulf-Effect Snow Possible This Weekend

Gulf-Effect Snow Possible This Weekend

You've been warned, iguanas. We've had glanci

30 Jan 2026 2:30 AM
Thousands Without Power as another Systems Brews

Thousands Without Power as another Systems Brews

ABOVE - Up to one inch of ice accumulated acr

29 Jan 2026 12:30 PM
Cold Air Sticks Around the Central to Eastern U.S.

Cold Air Sticks Around the Central to Eastern U.S.

Temperatures have been record-breaking with h

29 Jan 2026 2:50 AM