Helsinki Harmaja Threshold Days by Year (FIE00142185)
5 fixed thresholds counted per year at Helsinki Harmaja (FIE00142185): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Helsinki Harmaja Thresholds
- Helsinki Harmaja: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 2010 with 105.
- Helsinki Harmaja: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1996 with 142.
- Helsinki Harmaja: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 2010 with 53.
- Helsinki Harmaja: nights with a minimum temperature at or above 20 C (68 F) in 12 years, most in 2014 with 13.
- 5 fixed thresholds have at least one qualifying day at Helsinki Harmaja.
Nights at or below 0 C (32 F)
33 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1994 | 129 | 132.5 |
| 1995 | 129 | 132.5 |
| 1996 | 142 | 132.5 |
| 1997 | 141 | 132.5 |
| 1998 | 135 | 132.5 |
| 1999 | 119 | 132.5 |
| 2000 | 91 | 109.2 |
| 2001 | 128 | 109.2 |
| 2002 | 126 | 109.2 |
| 2003 | 128 | 109.2 |
| 2004 | 116 | 109.2 |
| 2005 | 113 | 109.2 |
| 2006 | 119 | 109.2 |
| 2007 | 81 | 109.2 |
| 2008 | 69 | 109.2 |
| 2009 | 121 | 109.2 |
| 2010 | 132 | 98.5 |
| 2011 | 92 | 98.5 |
| 2012 | 119 | 98.5 |
| 2013 | 112 | 98.5 |
| 2014 | 75 | 98.5 |
| 2015 | 54 | 98.5 |
| 2016 | 101 | 98.5 |
| 2017 | 94 | 98.5 |
| 2018 | 119 | 98.5 |
| 2019 | 87 | 98.5 |
| 2020 | 39 | 90.1 |
| 2021 | 110 | 90.1 |
| 2022 | 118 | 90.1 |
| 2023 | 109 | 90.1 |
| 2024 | 113 | 90.1 |
| 2025 | 70 | 90.1 |
| 2026 | 72 | 90.1 |
| Year | First date | Last date |
|---|---|---|
| 1994 | 1994-01-01 | 1994-12-29 |
| 1995 | 1995-01-02 | 1995-12-31 |
| 1996 | 1996-01-01 | 1996-12-31 |
| 1997 | 1997-01-01 | 1997-12-31 |
| 1998 | 1998-01-01 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-31 |
| 2000 | 2000-01-01 | 2000-12-31 |
| 2001 | 2001-01-02 | 2001-12-31 |
| 2002 | 2002-01-01 | 2002-12-30 |
| 2003 | 2003-01-01 | 2003-12-31 |
| 2004 | 2004-01-01 | 2004-12-27 |
| 2005 | 2005-01-06 | 2005-12-30 |
| 2006 | 2006-01-01 | 2006-12-30 |
| 2007 | 2007-01-11 | 2007-12-23 |
| 2008 | 2008-01-02 | 2008-12-31 |
| 2009 | 2009-01-01 | 2009-12-31 |
| 2010 | 2010-01-01 | 2010-12-31 |
| 2011 | 2011-01-01 | 2011-12-31 |
| 2012 | 2012-01-01 | 2012-12-30 |
| 2013 | 2013-01-03 | 2013-12-15 |
| 2014 | 2014-01-11 | 2014-12-30 |
| 2015 | 2015-01-04 | 2015-12-31 |
| 2016 | 2016-01-01 | 2016-12-29 |
| 2017 | 2017-01-02 | 2017-12-25 |
| 2018 | 2018-01-07 | 2018-12-31 |
| 2019 | 2019-01-02 | 2019-12-31 |
| 2020 | 2020-01-01 | 2020-12-28 |
| 2021 | 2021-01-02 | 2021-12-31 |
| 2022 | 2022-01-01 | 2022-12-29 |
| 2023 | 2023-01-01 | 2023-12-31 |
| 2024 | 2024-01-01 | 2024-12-31 |
| 2025 | 2025-01-01 | 2025-12-31 |
| 2026 | 2026-01-01 | 2026-04-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 0 C (32 F): Ice days (max | 33 | 105 | 2010 | 54 |
| 0 C (32 F): Frost days (min | 33 | 142 | 1996 | 72 |
| -10 C (14 F): Days with min | 31 | 53 | 2010 | 23 |
| -20 C (-4 F): Days with min | 9 | 8 | 2003 | 2 |
| 20 C (68 F): Tropical nights (min | 12 | 13 | 2014 | 7 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.
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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-12).