Paris Threshold Days by Year (CA006146240)

17 fixed thresholds counted per year at Paris (CA006146240): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Paris Thresholds

Paris: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1926 with 38.
Paris: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1921 with 12.
Paris: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1904 with 201.
Paris: nights with a minimum temperature at or below -10 C (14 F) in 54 years, most in 1904 with 95.
17 fixed thresholds have at least one qualifying day at Paris.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at Paris with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1895.

Days at or above 30 C (86 F) per year at Paris
Year	Days	Decade average
1890	19	30.6
1891	23	30.6
1892	23	30.6
1893	32	30.6
1894	44	30.6
1895	48	30.6
1896	26	30.6
1897	20	30.6
1898	38	30.6
1899	33	30.6
1900	42	22.4
1901	41	22.4
1902	13	22.4
1903	10	22.4
1904	7	22.4
1907	10	22.4
1908	29	22.4
1909	27	22.4
1910	18	28.1
1911	41	28.1
1912	17	28.1
1913	28	28.1
1914	31	28.1
1915	12	28.1
1916	37	28.1
1917	14	28.1
1918	36	28.1
1919	47	28.1
1920	18	27.3
1921	40	27.3
1922	28	27.3
1923	39	27.3
1924	16	27.3
1925	33	27.3
1926	20	27.3
1927	16	27.3
1929	36	27.3
1930	40	36.4
1931	37	36.4
1932	20	36.4
1933	47	36.4
1934	38	36.4
1935	27	36.4
1936	44	36.4
1937	34	36.4
1938	34	36.4
1939	43	36.4
1940	27	31
1941	40	31
1942	22	31
1943	25	31
1944	41	31

For each year, a bar from the first to the last day at Paris meeting 30 C (86 F).

First to last qualifying date each year at Paris
Year	First date	Last date
1890	1890-06-23	1890-08-04
1891	1891-06-09	1891-09-25
1892	1892-05-31	1892-08-30
1893	1893-06-14	1893-08-27
1894	1894-06-10	1894-09-15
1895	1895-05-04	1895-09-22
1896	1896-04-17	1896-09-11
1897	1897-07-02	1897-10-15
1898	1898-06-02	1898-10-03
1899	1899-04-30	1899-09-17
1900	1900-05-14	1900-09-11
1901	1901-06-05	1901-09-07
1902	1902-07-05	1902-08-31
1903	1903-05-17	1903-09-15
1904	1904-05-25	1904-09-02
1907	1907-06-18	1907-08-11
1908	1908-05-28	1908-09-26
1909	1909-06-19	1909-09-01
1910	1910-06-25	1910-08-15
1911	1911-05-18	1911-09-01
1912	1912-06-28	1912-09-10
1913	1913-05-03	1913-09-07
1914	1914-05-20	1914-09-22
1915	1915-04-24	1915-09-14
1916	1916-07-07	1916-09-07
1917	1917-07-21	1917-08-20
1918	1918-05-31	1918-08-27
1919	1919-05-29	1919-09-08
1920	1920-06-10	1920-09-26
1921	1921-05-20	1921-09-10
1922	1922-06-06	1922-09-10
1923	1923-05-26	1923-09-06
1924	1924-06-20	1924-09-01
1925	1925-06-01	1925-09-04
1926	1926-06-29	1926-08-29
1927	1927-06-29	1927-09-17
1929	1929-05-28	1929-09-06
1930	1930-05-07	1930-09-14
1931	1931-05-28	1931-09-21
1932	1932-06-17	1932-09-01
1933	1933-06-06	1933-09-09
1934	1934-05-20	1934-08-19
1935	1935-07-03	1935-09-18
1936	1936-05-07	1936-09-23
1937	1937-05-30	1937-09-03
1938	1938-06-11	1938-08-21
1939	1939-05-27	1939-09-16
1940	1940-06-03	1940-08-18
1941	1941-05-20	1941-09-22
1942	1942-04-25	1942-09-17
1943	1943-06-04	1943-09-02
1944	1944-05-26	1944-08-16

Every Fixed Threshold

Fixed thresholds at Paris
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	48	1895	41
35 C (95 F): Days	35	14	1933	10
40 C (104 F): Days	1	3	1936	3
90 F (32.2 C): Days	51	33	1919	24
100 F (37.8 C): Days	9	5	1936	1
0 C (32 F): Ice days (max	52	74	1917	60
0 C (32 F): Frost days (min	54	201	1904	163
-10 C (14 F): Days with min	54	95	1904	54
-20 C (-4 F): Days with min	51	37	1904	5
-30 C (-22 F): Days with min	7	5	1904	3
20 C (68 F): Tropical nights (min	53	19	1937	5
25 C (77 F): Days with min	13	3	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	59	38	1926	33
25 mm (0.98 in): Days with 25 mm or more rain	59	12	1921	6
50 mm (1.97 in): Days with 50 mm or more rain	28	3	1918	1
10 cm (3.9 in): Days with 10 cm or more snowfall	54	8	1900	5
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1900	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1890.

Download the Data

Data for Paris threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Paris Threshold Days by Year (CA006146240)

Key Facts for Paris Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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