4 Billion Years On

Climate Rankings - April 2026

144 regions ranked by this month's temperature anomaly vs their 1961–1990 baseline - every country, US state and UK region we track.

Warmest this month

  1. 1.🇺🇿Uzbekistan+5.56°C
  2. 2.🇮🇷Iran+5.23°C
  3. 3.🇹🇲Turkmenistan+5.21°C
  4. 4.🇰🇿Kazakhstan+5.08°C
  5. 5.🇺🇸West Virginia+4.66°C

Coolest this month

  1. 234th🇺🇸North Dakota-1.22°C
  2. 233rd🇵🇾Paraguay-0.76°C
  3. 232nd🇺🇾Uruguay-0.71°C
  4. 231st🇦🇷Argentina-0.44°C
  5. 230th🇺🇸South Dakota-0.43°C

Monthly Cross-Region Analysis

Who led this month

April 2026 saw Uzbekistan register the single biggest temperature anomaly at +5.56°C, making it the warmest region this month. The top three warmest regions were all Central Asian countries: Uzbekistan (+5.56°C), Iran (+5.23°C), and Turkmenistan (+5.21°C). These nations share a continental climate zone, often experiencing significant temperature swings.

Biggest shifts

North Dakota experienced the largest shift towards cooler temperatures, dropping to 234th with a -1.22°C anomaly, indicating a significant cold snap. Conversely, several US states in the Ohio Valley, such as West Virginia, Kentucky, and Ohio, climbed significantly in the rankings, experiencing anomalies over +4.49°C, suggesting a sudden and pronounced early-season heat.

Regional patterns

Europe emerged as the warmest continent with a mean 1-month anomaly of +2.48°C, followed by Asia at +1.77°C. Within the US, the Ohio Valley region was exceptionally warm, averaging +4.21°C, indicating a concentrated area of significant warmth. This warmth appears to be regionally focused rather than a uniform global phenomenon, with notable cool anomalies in parts of South America and the Northern Rockies and Plains.

What’s driving change?

The warmth in Central Asia and the Ohio Valley can be attributed to distinct atmospheric patterns. Central Asia experienced an early heatwave, with temperatures climbing significantly above seasonal averages. Meanwhile, the Ohio Valley saw a surge of heat with temperatures 20-30 degrees above average for mid-April. Globally, April 2026 was the joint third-warmest April on record, with above-average sea surface temperatures in the central equatorial Pacific indicating an ongoing transition from ENSO-neutral to El Niño conditions, which is expected to continue through the Northern Hemisphere summer.

Sources:

unicef.org ↗earth.org ↗mahoningmatters.com ↗europa.eu ↗watchers.news ↗copernicus.eu ↗

Generated by Gemini from the ranking data above and web sources · 1 June 2026

Biggest movers since last month

Rank changes on the 1-month anomaly league table between the previous snapshot (2026-05) and this one (2026-06).

Climbed the most (relatively warmer this month)

  1. 🇬🇧Northern Ireland125 → 89+36
  2. 🇬🇧England SE & Central South51 → 32+19
  3. 🇬🇧England South55 → 39+16
  4. 🇬🇧England East & North East76 → 64+12
  5. 🇬🇧Midlands60 → 48+12

Dropped the most (relatively cooler this month)

  1. 🇬🇧Scotland North100 → 195-95
  2. 🏴󠁧󠁢󠁳󠁣󠁴󠁿Scotland101 → 148-47
  3. 🇬🇧Scotland West120 → 146-26
  4. 🇬🇧Scotland East97 → 118-21
  5. 🇬🇧England NW & North Wales81 → 86-5

Roll-ups by Group

Window

By Continent

Asia +2.21°C
Europe +1.15°C
North America (6)· agg+1.12°C
Oceania +0.93°C
South America (8)· agg+0.54°C
Africa +0.28°C

By US Climate Region

Ohio Valley +4.09°C
South +2.69°C
Northeast +2.57°C
Southeast +2.51°C
Southwest +2.11°C
Northwest +1.41°C
Upper Midwest +1.32°C
West +1.27°C
Northern Rockies and Plains +0.32°C

By Region Type

UK Regions (16)+2.32°C
US States (49)+2.29°C
Countries (169)+1.67°C

Climate Map – Global

Window

Source: NOAA Climate at a Glance (countries & continents) · Met Office (UK) · US states & climate regions. Temperature anomalies are vs the 1961–1990 baseline. See methodology.

Full League Table

Filter:
#
1Uzbekistan+5.56+4.00+1.97
2Iran+5.23+3.21+2.43
3Turkmenistan+5.21+3.31+1.74
4Kazakhstan+5.08+4.65+2.36
5West Virginia+4.66+3.20+1.44
6Kentucky+4.51+3.73+1.71
7Ohio+4.49+3.23+1.25
8Afghanistan+4.47+2.54+1.98
9Indiana+4.40+3.76+1.48
10Virginia+3.98+2.84+1.26
11Tennessee+3.86+3.73+1.83
12United Arab Emirates+3.84+2.62+2.28
13Missouri+3.78+4.43+2.08
14Pakistan+3.77+2.64+1.87
15Illinois+3.75+3.97+1.81
16Mongolia+3.75+2.60+2.62
17Pennsylvania+3.73+2.46+0.99
18Russia+3.62+3.55+3.04
19Maryland+3.56+2.32+1.07
20Saudi Arabia+3.56+1.94+2.37
21Switzerland+3.55+3.06+2.47
22Austria+3.51+3.03+2.80
23Denmark+3.49+2.84+2.11
24Belgium+3.41+2.39+1.77
25Iraq+3.34+1.70+1.90
26Kuwait+3.32+1.06+1.61
27Arkansas+3.31+4.21+2.17
28Lithuania+3.29+3.64+3.44
29Poland+3.28+2.87+2.88
30Sweden+3.24+4.03+2.88
31Iceland+3.24+3.69+1.65
32England SE & Central South+3.23+2.86+2.27
33North Carolina+3.20+2.57+1.15
34Qatar+3.17+1.60+1.73
35Czechia+3.11+2.26+2.38
36Netherlands+3.10+2.11+1.78
37Mali+3.08+2.73+1.83
38Mauritania+3.04+1.58+1.47
39England South+3.03+2.75+2.22
40Germany+3.02+2.23+2.11
41East Anglia+3.02+2.74+2.31
42Kansas+3.02+4.81+2.26
43Delaware+3.01+1.84+0.97
44Luxembourg+2.96+2.17+1.77
45Belarus+2.95+3.62+3.56
46Latvia+2.95+3.64+3.48
47Oklahoma+2.91+4.99+2.31
48Midlands+2.90+2.77+2.21
49Tajikistan+2.88+2.15+1.85
50United Kingdom+2.84+2.34+1.44
51England+2.84+2.70+2.16
52Kyrgyzstan+2.84+2.39+1.70
53England SW & South Wales+2.82+2.66+1.96
54Mississippi+2.75+3.76+2.11
55Bosnia and Herzegovina+2.74+2.94+3.06
56England and Wales+2.73+2.64+2.09
57Algeria+2.70+2.33+2.61
58New Jersey+2.69+1.60+0.94
59Estonia+2.66+3.79+3.54
60New York+2.65+1.62+0.87
61France+2.65+1.88+1.51
62Slovakia+2.63+2.40+2.63
63China+2.59+1.78+2.05
64England East & North East+2.59+2.54+2.09
65Slovenia+2.58+2.31+2.35
66Norway+2.53+4.33+3.60
67Oman+2.52+1.95+1.52
68Wales+2.49+2.47+1.85
69Texas+2.48+4.53+2.64
70Greenland+2.48+2.83+1.42
71Croatia+2.47+2.29+2.61
72Morocco+2.45+1.28+1.87
73Ireland+2.44+2.03+0.99
74New Mexico+2.44+4.61+2.81
75Syria+2.43+1.86+2.17
76England North+2.42+2.50+2.00
77Louisiana+2.37+3.52+1.94
78South Carolina+2.35+2.25+1.06
79Arizona+2.32+4.76+2.91
80Spain+2.32+1.57+1.74
81Georgia+2.30+2.63+1.37
82Iowa+2.28+3.94+1.94
83Yemen+2.28+2.00+2.29
84Jordan+2.25+1.19+1.83
85Alabama+2.20+2.99+1.55
86England NW & North Wales+2.12+2.32+1.79
87Alaska+2.12-1.20+0.33
88Italy+2.11+2.15+2.19
89Northern Ireland+2.08+1.76+1.45
90Eritrea+2.07+1.45+1.39
91Connecticut+2.04+1.02+0.89
92Madagascar+2.03+1.37+1.54
93Tunisia+2.03+2.40+2.61
94Montenegro+1.99+2.19+2.45
95Vermont+1.98+1.25+0.99
96Michigan+1.97+2.29+1.22
97Lebanon+1.93+1.35+2.09
98United States+1.90+2.19+1.88
99New Zealand+1.90+1.33+1.00
100Rhode Island+1.88+0.76+0.85
101Portugal+1.86+1.25+1.28
102New Hampshire+1.84+1.08+0.97
103Finland+1.84+3.91+3.25
104Hungary+1.83+1.35+1.93
105Wisconsin+1.81+3.10+1.59
106Colorado+1.80+4.66+2.81
107Armenia+1.80+2.12+1.58
108Ukraine+1.79+2.65+3.21
109Burkina Faso+1.79+2.10+1.26
110Massachusetts+1.76+0.88+0.82
111Oregon+1.76+2.60+2.37
112Palestine+1.75+1.20+1.78
113Ethiopia+1.74+1.73+1.64
114Benin+1.73+1.86+1.40
115South Sudan+1.71+2.25+2.29
116Azerbaijan+1.71+1.66+1.44
117Israel+1.70+1.23+1.94
118Scotland East+1.67+1.94+1.60
119Utah+1.66+4.63+3.27
120Washington+1.61+1.51+2.05
121Senegal+1.61+0.68+0.82
122North Korea+1.60+1.64+2.32
123New Caledonia+1.58+1.00+1.02
124Djibouti+1.57+1.38+1.69
125Ghana+1.55+1.52+1.49
126South Korea+1.53+1.26+2.03
127Florida+1.51+1.48+1.23
128Canada+1.51+1.23+2.71
129Burundi+1.50+1.80+1.92
130Rwanda+1.47+2.01+2.19
131Bhutan+1.44+1.89+2.06
132Central African Republic+1.42+1.98+1.71
133Serbia+1.42+1.87+2.30
134Gambia+1.41+0.84+0.99
135Sudan+1.38+1.17+1.53
136Zimbabwe+1.34+1.15+1.74
137California+1.33+3.55+2.29
138Uganda+1.32+2.21+2.04
139Mozambique+1.31+1.17+1.53
140Nebraska+1.30+4.40+2.62
141Nigeria+1.29+1.53+1.14
142Mexico+1.29+2.09+2.01
143Fiji+1.29+1.00+0.97
144Togo+1.29+1.55+1.46
145DR Congo+1.28+1.85+2.04
146Scotland West+1.25+1.52+1.40
147Kosovo+1.23+1.77+2.17
148Scotland+1.22+1.66+1.44
149Japan+1.21+1.25+1.85
150Nepal+1.20+1.66+1.80
151El Salvador+1.19+1.72+1.39
152Vanuatu+1.19+0.85+0.83
153Cameroon+1.18+1.69+1.56
154Nevada+1.17+3.84+2.81
155Zambia+1.17+1.31+1.17
156Albania+1.16+1.84+2.15
157Ecuador+1.16+1.02+1.37
158Equatorial Guinea+1.16+1.47+1.66
159Tanzania+1.15+1.50+1.28
160Moldova+1.12+2.28+2.88
161Jamaica+1.11+1.50+1.67
162Wyoming+1.10+4.33+3.12
163Congo+1.10+1.36+1.59
164Cote d'Ivoire+1.09+1.23+1.28
165Brazil+1.08+1.00+1.24
166Malawi+1.07+1.01+1.13
167Chad+1.06+1.63+1.52
168Maine+1.05+0.98+1.00
169Egypt+1.04+0.96+2.02
170Papua New Guinea+1.04+1.32+1.40
171Philippines+1.03+1.14+1.34
172Colombia+1.03+0.77+1.27
173Romania+1.03+1.68+2.41
174Kenya+1.02+1.14+1.43
175Peru+1.00+0.90+1.43
176Sierra Leone+1.00+1.28+1.27
177Brunei+0.97+1.16+1.47
178Gabon+0.96+1.25+1.47
179Indonesia+0.92+1.19+1.43
180Liberia+0.91+1.19+1.31
181Guinea+0.90+1.23+1.29
182Laos+0.90+0.75+1.08
183Libya+0.90+1.78+2.50
184Niger+0.89+2.32+1.61
185Idaho+0.88+3.15+2.74
186Guatemala+0.86+1.63+1.95
187Haiti+0.85+1.31+1.52
188Lesotho+0.84+1.27+1.70
189India+0.83+1.17+1.10
190Solomon Islands+0.83+0.99+1.14
191Dominican Republic+0.82+1.22+1.49
192Trinidad and Tobago+0.80+0.91+1.35
193Guinea-Bissau+0.79+0.72+0.97
194Venezuela+0.78+1.22+1.48
195Scotland North+0.77+1.46+1.31
196Georgia+0.75+1.02+1.20
197Malaysia+0.73+0.93+1.34
198Somalia+0.72+0.77+1.20
199Bahamas+0.72+1.09+1.10
200Cambodia+0.72+0.72+1.13
201Vietnam+0.70+0.42+0.97
202Angola+0.68+0.99+1.27
203Eswatini+0.64+0.80+1.21
204Panama+0.61+0.59+1.00
205Puerto Rico+0.61+0.95+1.44
206Bolivia+0.60+1.02+1.51
207Myanmar+0.57+1.21+1.43
208Cuba+0.55+1.02+1.17
209South Africa+0.53+0.97+1.42
210Greece+0.53+1.17+1.88
211East Timor+0.53+0.93+0.79
212Nicaragua+0.52+0.93+1.26
213Turkey+0.48+1.12+1.79
214Belize+0.47+1.25+1.63
215Honduras+0.46+1.28+1.61
216Namibia+0.42+0.84+1.50
217Bangladesh+0.41+0.68+1.16
218Costa Rica+0.40+0.60+0.92
219Chile+0.39+0.69+0.61
220Cyprus+0.38+0.55+1.38
221Thailand+0.38+0.60+1.06
222Guyana+0.34+0.41+1.27
223Suriname+0.33+0.34+1.24
224Australia+0.32+1.34+1.33
225Montana+0.31+3.08+2.64
226Sri Lanka+0.27+0.62+0.88
227Botswana+0.03+0.23+1.17
228Minnesota-0.10+2.56+1.79
229Bulgaria-0.10+1.04+1.94
230South Dakota-0.43+3.55+2.22
231Argentina-0.44+1.03+0.81
232Uruguay-0.71+0.70+0.36
233Paraguay-0.76+1.07+1.44
234North Dakota-1.22+2.48+1.84

All anomalies vs 1961–1990 baseline. 234 regions total.

Methodology & Baselines

Anomaly = monthly mean temperature − 1961–1990 mean for the same calendar month. The 12-month figure is the trailing 12-month mean minus the 12-month baseline. Country data is from Our World in Data / NOAA; UK regions from the Met Office Regional Series; US states & climate regions from NOAA Climate at a Glance. NOAA values are re-baselined from their native 1901–2000 to 1961–1990 for cross-region comparison; the source-native figure is shown alongside for verification.

See the full methodology & data sources page for the complete two-baseline model, source timeline and known caveats.

FAQs

FAQs

How are the climate rankings calculated?

Each region is scored by its temperature anomaly versus the 1961-1990 baseline for the same calendar period. The 1-month figure uses the most recent complete month; the 3-month figure uses a trailing 3-month mean; the 12-month figure uses a trailing 12-month mean. A higher positive anomaly means the region was warmer than its 1961-1990 average for that period.

Why is the 1961-1990 baseline used?

The 1961-1990 baseline is widely used by the IPCC and national meteorological agencies for cross-region comparisons. NOAA datasets that natively use 1901-2000 are re-baselined to 1961-1990 so countries, US states and UK regions can be compared on equal terms; the source-native figure is shown alongside for verification.

Which regions are included in the rankings?

Every country, US state, UK home nation, UK region, continent and US climate region for which a complete monthly time series is available. The current count is shown on the rankings page.

How often do the rankings update?

Rankings refresh every 24 hours via a Vercel Cron job that runs at 03:00 UTC and pulls in any new monthly data released by NOAA, the Met Office, Berkeley Earth and OWID since the previous run.

Where can I see the full methodology?

The Methodology & Sources gives the complete two-baseline model, source timeline and known caveats.