Warm to Cold Record Ratio: Portugal

47 record highs and 4 record lows were set in Portugal in 2026, a ratio of 12 to 1, with the trend by year and decade.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Key Facts

In 2026, 47 record highs and 4 record lows were set in Portugal, a warm to cold ratio of 12 to 1.
So far this year, 47 record highs and 4 record lows have been set in Portugal, a ratio of 12 to 1.
The ratio in Portugal was 0.8 to 1 in the 1930s and 9.9 to 1 in the 2020s.
The series starts in 1931.
A ratio of 1 to 1 means as many record highs as record lows; above 1 means more record highs.

Ratio by Year

Record highs divided by record lows

Record highs divided by record lows for each year in Portugal, from 1931 to 2026. A value of 1 is an even split.

Ratio of record highs to record lows by year, Portugal
Year	Highs to lows
1931	0.8 to 1
1932	0.7 to 1
1933	0.5 to 1
1934	0.8 to 1
1935	0.4 to 1
1936	0.8 to 1
1937	1.5 to 1
1938	1.9 to 1
1939	1.0 to 1
1940	1.5 to 1
1941	0.9 to 1
1942	2.2 to 1
1943	3.8 to 1
1944	2.7 to 1
1945	5.8 to 1
1946	1.8 to 1
1947	3.9 to 1
1948	13 to 1
1949	10 to 1
1950	2.9 to 1
1951	0.8 to 1
1952	0.5 to 1
1953	2.2 to 1
1954	0.6 to 1
1955	3.4 to 1
1956	0.1 to 1
1957	0.6 to 1
1958	0.9 to 1
1959	6.0 to 1
1960	1.7 to 1
1961	7.7 to 1
1962	1.0 to 1
1963	1.3 to 1
1964	1.6 to 1
1965	0.9 to 1
1966	1.6 to 1
1967	0.5 to 1
1968	2.1 to 1
1969	0.6 to 1
1970	1.8 to 1
1971	0.4 to 1
1972	0.2 to 1
1973	0.5 to 1
1974	0.6 to 1
1975	0.5 to 1
1976	1.0 to 1
1977	0.7 to 1
1978	1.4 to 1
1979	1.1 to 1
1980	1.2 to 1
1981	4.1 to 1
1982	2.3 to 1
1983	1.6 to 1
1984	0.3 to 1
1985	1.7 to 1
1986	0.4 to 1
1987	2.7 to 1
1988	2.3 to 1
1989	4.8 to 1
1990	4.6 to 1
1991	2.8 to 1
1992	1.6 to 1
1993	0.8 to 1
1994	2.4 to 1
1995	8.2 to 1
1996	2.5 to 1
1997	12 to 1
1998	4.3 to 1
1999	2.4 to 1
2000	2.2 to 1
2001	2.1 to 1
2002	2.3 to 1
2003	4.6 to 1
2004	5.2 to 1
2005	1.4 to 1
2006	4.2 to 1
2007	3.6 to 1
2008	2.7 to 1
2009	4.0 to 1
2010	3.9 to 1
2011	3.0 to 1
2012	4.1 to 1
2013	2.0 to 1
2014	1.9 to 1
2015	4.2 to 1
2016	5.6 to 1
2017	7.1 to 1
2018	5.2 to 1
2019	4.1 to 1
2020	5.1 to 1
2021	11 to 1
2022	5.8 to 1
2023	113 to 1
2024	n/a
2025	9.4 to 1
2026	12 to 1

Ratio by Decade

Decade ratios in Portugal: 1930s 0.8 to 1, 1940s 3.2 to 1, 1950s 0.9 to 1, 1960s 1.4 to 1, 1970s 0.6 to 1, 1980s 1.7 to 1, 1990s 3.1 to 1, 2000s 3.1 to 1, 2010s 3.4 to 1, 2020s 9.9 to 1. Dashed line: an even split of 1 to 1.

Ratio of record highs to record lows by decade, Portugal
Decade	Ratio
1930s	0.8 to 1
1940s	3.2 to 1
1950s	0.9 to 1
1960s	1.4 to 1
1970s	0.6 to 1
1980s	1.7 to 1
1990s	3.1 to 1
2000s	3.1 to 1
2010s	3.4 to 1
2020s	9.9 to 1

Cumulative Highs and Lows in 2026

Running totals of record highs and record lows in Portugal through 2026: 47 highs against 4 lows so far.

Cumulative record highs and record lows in 2026, Portugal
Date	Record highs	Record lows
2026-01-06	0	1
2026-01-28	1	1
2026-01-29	2	1
2026-01-30	3	1
2026-02-05	4	1
2026-02-10	5	1
2026-03-03	5	2
2026-03-07	5	3
2026-03-18	5	4
2026-04-02	6	4
2026-04-10	7	4
2026-04-28	8	4
2026-05-23	9	4
2026-06-01	10	4
2026-06-11	11	4
2026-06-12	13	4
2026-06-22	14	4
2026-07-02	17	4
2026-07-03	19	4
2026-07-04	21	4
2026-07-05	22	4
2026-07-15	23	4
2026-07-18	24	4
2026-07-27	25	4
2026-08-04	26	4
2026-08-05	27	4
2026-08-13	28	4
2026-08-14	29	4
2026-08-17	30	4
2026-08-18	31	4
2026-09-02	32	4
2026-09-03	33	4
2026-09-05	34	4
2026-09-10	35	4
2026-09-12	36	4
2026-09-13	37	4
2026-09-21	39	4
2026-09-24	41	4
2026-09-25	42	4
2026-09-26	45	4
2026-09-27	46	4
2026-10-04	47	4

Year to Date Against Previous Years

The ratio of record highs to record lows over the same part of the year, for each of the previous ten years and this year (highlighted). Dashed line: an even split of 1 to 1.

Year to date ratio against the previous ten years, Portugal
Year	Ratio
2016	5.8 to 1
2017	4.8 to 1
2018	6.1 to 1
2019	2.7 to 1
2020	9.3 to 1
2021	6.8 to 1
2022	5.6 to 1
2023	94 to 1
2024	n/a
2025	7.2 to 1
2026 (this year)	12 to 1

Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13. Records are computed by this site. The ratio uses record highs and record lows of daily maximum and minimum temperature.