Bern Threshold Days by Year (USC00100803)

14 fixed thresholds counted per year at Bern (USC00100803): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bern Thresholds

Bern: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2007 with 60.
Bern: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 2022 with 96.
Bern: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 2005 with 20.
Bern: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2002 with 231.
14 fixed thresholds have at least one qualifying day at Bern.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Bern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2007.

Days at or above 30 C (86 F) per year at Bern
Year	Days	Decade average
1993	1	18.7
1994	41	18.7
1995	16	18.7
1996	21	18.7
1997	10	18.7
1998	27	18.7
1999	15	18.7
2000	36	39.7
2001	42	39.7
2002	38	39.7
2003	53	39.7
2004	26	39.7
2005	28	39.7
2006	49	39.7
2007	60	39.7
2008	46	39.7
2009	19	39.7
2010	46	40.8
2011	28	40.8
2012	54	40.8
2013	52	40.8
2014	34	40.8
2015	30	40.8
2016	39	40.8
2017	50	40.8
2018	41	40.8
2019	34	40.8
2020	43	45.7
2021	59	45.7
2022	54	45.7
2023	27	45.7
2024	38	45.7
2025	48	45.7
2026	51	45.7

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

First to last qualifying date each year at Bern
Year	First date	Last date
1993	1993-07-28	1993-07-28
1994	1994-06-20	1994-09-08
1995	1995-07-08	1995-09-03
1996	1996-07-02	1996-08-31
1997	1997-07-09	1997-08-27
1998	1998-07-01	1998-09-07
1999	1999-07-06	1999-08-27
2000	2000-06-05	2000-09-15
2001	2001-06-22	2001-09-04
2002	2002-05-31	2002-09-04
2003	2003-05-28	2003-09-04
2004	2004-07-09	2004-09-01
2005	2005-07-05	2005-09-08
2006	2006-06-06	2006-09-12
2007	2007-06-05	2007-09-03
2008	2008-06-18	2008-08-31
2009	2009-06-30	2009-09-12
2010	2010-06-29	2010-10-03
2011	2011-06-29	2011-10-01
2012	2012-06-05	2012-08-30
2013	2013-06-11	2013-09-02
2014	2014-06-25	2014-09-18
2015	2015-06-19	2015-09-26
2016	2016-06-06	2016-09-02
2017	2017-06-05	2017-09-13
2018	2018-06-14	2018-09-06
2019	2019-06-29	2019-09-06
2020	2020-05-30	2020-09-18
2021	2021-06-04	2021-09-11
2022	2022-06-17	2022-09-08
2023	2023-07-10	2023-08-30
2024	2024-06-14	2024-09-29
2025	2025-06-01	2025-09-04
2026	2026-05-13	2026-08-28

Every Fixed Threshold

Fixed thresholds at Bern
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	60	2007	51
35 C (95 F): Days	24	10	2003	15
90 F (32.2 C): Days	32	34	2007	32
100 F (37.8 C): Days	3	1	2002	1
0 C (32 F): Ice days (max	34	96	2022	12
0 C (32 F): Frost days (min	33	231	2002	124
-10 C (14 F): Days with min	33	105	2022	27
-20 C (-4 F): Days with min	33	33	1993	1
-30 C (-22 F): Days with min	10	3	2023	3
10 mm (0.39 in): Days with 10 mm or more rain	34	20	2005	10
25 mm (0.98 in): Days with 25 mm or more rain	15	3	2022	1
10 cm (3.9 in): Days with 10 cm or more snowfall	33	17	2023	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	3	2005	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1996	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

Data for Bern 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).

Bern Threshold Days by Year (USC00100803)

Key Facts for Bern Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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