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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Galway Threshold Days by Year (EIE00101859)

8 fixed thresholds counted per year at Galway (EIE00101859): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Galway Thresholds

  • Galway: nights with a minimum temperature at or below 0 C (32 F) in 104 years, most in 1930 with 99.
  • Galway: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 2002 with 58.
  • Galway: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1861 with 12.
  • Galway: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 1881 with 14.
  • 8 fixed thresholds have at least one qualifying day at Galway.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Galway Days per year at Galway with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1934. 012341865: 21868: 21870: 21887: 31899: 11904: 11908: 11911: 31934: 41948: 11976: 1186518701899190819341976
Days per year at Galway with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1934.
Days at or above 30 C (86 F) per year at Galway
YearDaysDecade average
186522
186822
187022
188733
189911
190411
190811
191133
193444
194811
197611
First to last qualifying date each year at Galway For each year, a bar from the first to the last day at Galway meeting 30 C (86 F). 1865: 19 June 1865 to 20 June 18651868: 10 July 1868 to 12 July 18681870: 12 August 1870 to 13 August 18701887: 24 June 1887 to 27 June 18871899: 2 August 1899 to 2 August 18991904: 11 July 1904 to 11 July 19041908: 4 July 1908 to 4 July 19081911: 13 July 1911 to 15 August 19111934: 8 July 1934 to 11 July 19341948: 30 July 1948 to 30 July 19481976: 30 June 1976 to 30 June 1976186518701899190819341976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Galway meeting 30 C (86 F).
First to last qualifying date each year at Galway
YearFirst dateLast date
18651865-06-191865-06-20
18681868-07-101868-07-12
18701870-08-121870-08-13
18871887-06-241887-06-27
18991899-08-021899-08-02
19041904-07-111904-07-11
19081908-07-041908-07-04
19111911-07-131911-08-15
19341934-07-081934-07-11
19481948-07-301948-07-30
19761976-06-301976-06-30

Every Fixed Threshold

Fixed thresholds at Galway
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11419341
0 C (32 F): Ice days (max331418811
0 C (32 F): Frost days (min10499193017
-10 C (14 F): Days with min4518811
20 C (68 F): Tropical nights (min1119491
10 mm (0.39 in): Days with 10 mm or more rain8158200258
25 mm (0.98 in): Days with 25 mm or more rain681218616
50 mm (1.97 in): Days with 50 mm or more rain2119041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1865.

Download the Data

  • Data for Galway 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 . Last revised (2025-12-31).