Uliastai Threshold Days by Year (CHM00050915)

16 fixed thresholds counted per year at Uliastai (CHM00050915): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Uliastai Thresholds

Uliastai: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 2007 with 53.
Uliastai: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1981 with 145.
Uliastai: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1962 with 230.
Uliastai: nights with a minimum temperature at or below -10 C (14 F) in 64 years, most in 1956 with 159.
16 fixed thresholds have at least one qualifying day at Uliastai.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Uliastai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 2007.

Days at or above 30 C (86 F) per year at Uliastai
Year	Days	Decade average
1955	34	11.6
1956	3	11.6
1957	7	11.6
1958	12	11.6
1959	2	11.6
1960	7	16.8
1961	16	16.8
1962	26	16.8
1963	16	16.8
1964	14	16.8
1965	19	16.8
1966	14	16.8
1967	21	16.8
1968	28	16.8
1969	7	16.8
1970	15	18
1971	15	18
1972	23	18
1973	15	18
1974	16	18
1975	25	18
1976	10	18
1977	22	18
1978	16	18
1979	23	18
1980	30	18.2
1981	15	18.2
1982	21	18.2
1983	16	18.2
1984	14	18.2
1985	11	18.2
1986	10	18.2
1987	11	18.2
1988	31	18.2
1989	23	18.2
1990	8	17
1991	16	17
1992	11	17
1993	6	17
1994	24	17
1995	19	17
1996	11	17
1997	31	17
1998	5	17
1999	39	17
2000	47	32.7
2001	44	32.7
2002	24	32.7
2003	20	32.7
2004	28	32.7
2005	32	32.7
2006	27	32.7
2007	53	32.7
2008	28	32.7
2009	24	32.7
2010	41	27
2011	22	27
2012	23	27
2014	22	27
2020	33	35.5
2021	25	35.5
2022	43	35.5
2023	34	35.5
2024	33	35.5
2025	45	35.5

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

First to last qualifying date each year at Uliastai
Year	First date	Last date
1955	1955-06-04	1955-08-25
1956	1956-08-19	1956-08-29
1957	1957-06-13	1957-07-20
1958	1958-05-28	1958-08-06
1959	1959-07-27	1959-07-28
1960	1960-07-12	1960-08-27
1961	1961-05-24	1961-07-30
1962	1962-05-24	1962-08-24
1963	1963-05-15	1963-08-25
1964	1964-06-16	1964-08-03
1965	1965-05-25	1965-08-26
1966	1966-05-17	1966-08-06
1967	1967-05-14	1967-08-26
1968	1968-05-17	1968-09-15
1969	1969-06-20	1969-07-30
1970	1970-06-13	1970-08-27
1971	1971-05-10	1971-08-31
1972	1972-05-04	1972-08-22
1973	1973-05-13	1973-08-10
1974	1974-05-16	1974-08-17
1975	1975-06-09	1975-08-20
1976	1976-07-05	1976-07-28
1977	1977-06-18	1977-09-01
1978	1978-06-17	1978-08-21
1979	1979-05-21	1979-08-20
1980	1980-05-19	1980-08-20
1981	1981-06-17	1981-09-25
1982	1982-06-08	1982-08-24
1983	1983-06-20	1983-08-12
1984	1984-05-30	1984-08-08
1985	1985-05-22	1985-09-04
1986	1986-05-22	1986-08-21
1987	1987-04-29	1987-07-30
1988	1988-06-09	1988-08-11
1989	1989-05-30	1989-08-24
1990	1990-06-25	1990-07-22
1991	1991-05-17	1991-08-27
1992	1992-05-27	1992-07-28
1993	1993-05-19	1993-09-05
1994	1994-05-19	1994-09-02
1995	1995-06-04	1995-08-31
1996	1996-04-28	1996-08-17
1997	1997-05-09	1997-08-27
1998	1998-04-19	1998-09-08
1999	1999-05-29	1999-09-10
2000	2000-05-23	2000-09-18
2001	2001-05-12	2001-09-15
2002	2002-06-02	2002-08-31
2003	2003-05-27	2003-09-12
2004	2004-05-23	2004-08-10
2005	2005-04-29	2005-09-08
2006	2006-05-15	2006-08-27
2007	2007-05-06	2007-09-09
2008	2008-06-08	2008-09-19
2009	2009-05-05	2009-08-24
2010	2010-05-22	2010-09-14
2011	2011-05-24	2011-08-29
2012	2012-05-18	2012-08-31
2014	2014-05-22	2014-09-06
2020	2020-05-15	2020-08-28
2021	2021-05-21	2021-08-08
2022	2022-05-03	2022-09-15
2023	2023-06-13	2023-09-15
2024	2024-05-17	2024-08-09
2025	2025-05-27	2025-08-19

Every Fixed Threshold

Fixed thresholds at Uliastai
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	53	2007	45
35 C (95 F): Days	46	12	2007	7
90 F (32.2 C): Days	61	28	2007	17
100 F (37.8 C): Days	15	5	2008	2
0 C (32 F): Ice days (max	65	145	1981	57
0 C (32 F): Frost days (min	64	230	1962	124
-10 C (14 F): Days with min	64	159	1956	80
-20 C (-4 F): Days with min	64	120	1956	48
-30 C (-22 F): Days with min	63	53	1956	7
-40 C (-40 F): Days with min	1	1	1956	1
20 C (68 F): Tropical nights (min	45	18	1955	1
25 C (77 F): Days with min	4	1	1968	1
10 mm (0.39 in): Days with 10 mm or more rain	61	16	1990	8
25 mm (0.98 in): Days with 25 mm or more rain	39	6	2022	1
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1955	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1955	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

Data for Uliastai 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Uliastai Threshold Days by Year (CHM00050915)

Key Facts for Uliastai Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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