2025 according to NASA was.the
WORLD SECOND HOTTEST YEAR
With an anomaly of +0.58C vs 1991/2020 or +1.19C vs 1951/1980 it beat 2023 by 0.02C and was behind 2024 by 0.09C

European Copernicus and Japanese JMA had 2023 slightly ahead of 2025 (3rd hottest than)

Just in:
2025 IN MAINLAND USA

Average Temperature:54.64F
Anomaly:+1.37F
4th warmest behind:
2024
2012
2016

All the 9 warmest years since 1880 were recorded after 2011.
Graph by NOAA

2025 WORLD EXTREME TEMPERATURES

Northern Hemisphere Highest:52.8C Shabankareh (Iran) 19 July
NH Lowest:-61.0C Summit (Greenland) 16 January

SH Highest:49.3C Geraldton Airport (Australia) 20 January
SH Lowest:-82.0C Dome Fuji (Antarctica) 24 July

November 2025 Globally,according to NASA, had a temperature anomaly of +0.61C vs 1991/2020 norm and was the 3rd warmest November on record behind 2023 and 2024.

2025 is still slightly ahead of 2023 but it's expected to end tied with 2023 as the 2nd hottest year behind 2024.

November 2025 in USA was the 4th warmest on record.
it was record hot in some western areas and Texas.

Meteorological Fall (Sep-Nov) ranked the 3rd hottest on record.

Map by NOAA

NOVEMBER 2025 WORLD EXTREME TEMPERATURES

Northern Hemisphere Highest:43.0C Vinoramas (Mexico) 3 November
NH Lowest:-50.9C East Grip (Greenland) 28 November

SH Highest:46.8C Bedourie (Australia) 23 November
SH Lowest:-55.0C Vostok (Antarctica) 9 November

October 2025 Globally,according to NASA, had a temperature anomaly of +0.66C vs 1991/2020 or +1.22C vs 1951/2020 and was firmly the 3rd hottest October on record.
2025 so far is 2nd behind 2024 but it might be reached by 2023 in few weeks.
All this without a day of Nino

October 2025 Globally,according to Copernicus,
had an average temperature of 15.14C which is +0.70C above the 1991/2020 normal and was the 3rd warmest on record behind 2023 and 2024.
The most above average country was Canada,the most below Bosnia

Historic November warmth in Colorado
83F or 28.3C at Denver Int. AP smashed its November monthly record by 2F.

OCTOBER 2025 WORLDWIDE EXTREME TEMPERATURES

Northern Hemisphere Highest:46.7C Shabankareh (Iran) 1 October
NH Lowest:-50.0C Summit (Greenland) 29 October

Southern Hemisphere Highest:46.1C Birdsville (Australia) 21 October
SH Lowest:-67.6C Dome Fuji (Antarctica) 12 October

September 2025 Globally,according to Copernicus,had an average temperature of 16.11C which is 0.66C above the 1991/2020 normal and ranked the 3rd hottest on record behind 2023 and 2024.

World most above average country was Canada,the most below was Libya.

SEPTEMBER 2025 WORLDWIDE EXTREME TEMPERATURES

Northern Hemisphere Highest:49.8C Shabankareh (Iran) 10 September
NH Lowest:-38.2C Summit (Greenland) 27 September

SH Highest:43.4C Base Jara (Paraguay) 14 September
SH Lowest:-77.7C Dome Fuji (Antarctica) 2 September

August 2025 Worldwide,according to NASA, had a temperature anomaly of +0.58C above the 1991/2020 normal (+1.14C vs 1951/1980) and was the 3rd warmest August on record, behind 2024 and 2023 and above August 2016 (4th).

August 2025 ,according to NOAA was Earth’s third-warmest August and June–August period on record behind 2023 and 2024.

Arctic sea ice extent was the 7th smallest August extent on record.
The Antarctic sea ice extent was the 3rd smallest

2025 SUMMER IN USA: Warm but not exceptional

Average temperature throughout June-August was 73.33F, with an anomaly of +1.02F vs 1991/2020 and ranked the 12th warmest summer on record.

Graph by NOAA

August 2025 Globally,according to Copernicus,had an average temperature of 16.60C which is +0.49C above the 1991/2020 norm and was the 3rd hottest August on record,0.22C behind both 2023 and 2024.

After British Columbia, HISTORIC WARMTH IN YUKON
Yesterday 29.2C Braeburn
SEPTEMBER HOTTEST DAY IN YUKON 🇨🇦HISTORY
Tons of records smashed (see below).

In the meanwhile WASHINGTON 🇺🇸 had another record hot night:
Minimum 73F The Dalles
Hottest September night in history

Heat record in ALASKA:
Northway, Alaska (Interior, Upper Tanana Dene county) reached 80F (26.7C) late Thursday afternoon. This is the highest temperature on record in September. Previous highest was 79F in 1982. Climate observations since 1942.

Kudos text: Rick Thoman

Another scorching day between British Columbia and Washington with temperatures up to 102F/39C.

Record warm nights for September too:
Minimum 71F both at The Dalles and Wenatchee respectively tied and broke their monthly records.

One more intense hot day tomorrow....

IT 'S CANADA DAY 🇨🇦
Insane 40.8C at Ashcroft
CANADIAN HOTTEST SEPTEMBER DAY IN HISTORY
Lytton was dethroned! (last chance tomorrow)
MORE RECORDS
BC 🇨🇦 °C
40.8 Ashcroft
39.8 Nelson
38.7 Merritt
37.1 Kelowna
36.9 Warfield
35.3 Cranbrook
WA 🇺🇸 °F
104 Omak
104 Winthrop
99 Ellensburg