Built 2026-10-19 (19 October 2026)

Richmond Threshold Days by Year (CA007026465)

16 fixed thresholds counted per year at Richmond (CA007026465): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Richmond Thresholds

  • Richmond: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 1879 with 105.
  • Richmond: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1895 with 17.
  • Richmond: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1885 with 202.
  • Richmond: nights with a minimum temperature at or below -10 C (14 F) in 28 years, most in 1883 with 116.
  • 16 fixed thresholds have at least one qualifying day at Richmond.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Richmond Days per year at Richmond with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 1895. 051015201879: 41882: 71883: 11884: 131885: 41886: 41887: 151888: 51889: 81890: 81891: 51892: 101893: 71894: 101895: 171896: 71897: 11898: 141899: 101900: 91901: 131975: 111976: 31977: 81978: 71979: 61980: 21982: 41879188418871890189318961899197519781982
Days per year at Richmond with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 1895.
Days at or above 30 C (86 F) per year at Richmond
YearDaysDecade average
187944
188277.1
188317.1
1884137.1
188547.1
188647.1
1887157.1
188857.1
188987.1
189088.9
189158.9
1892108.9
189378.9
1894108.9
1895178.9
189678.9
189718.9
1898148.9
1899108.9
1900911
19011311
1975117
197637
197787
197877
197967
198023
198243
First to last qualifying date each year at Richmond For each year, a bar from the first to the last day at Richmond meeting 30 C (86 F). 1879: 31 May 1879 to 1 August 18791882: 14 June 1882 to 6 August 18821883: 17 July 1883 to 17 July 18831884: 3 June 1884 to 4 September 18841885: 13 June 1885 to 25 July 18851886: 3 July 1886 to 10 August 18861887: 29 June 1887 to 5 August 18871888: 22 June 1888 to 3 August 18881889: 8 May 1889 to 2 July 18891890: 30 June 1890 to 5 August 18901891: 11 June 1891 to 11 August 18911892: 31 May 1892 to 19 August 18921893: 12 May 1893 to 11 August 18931894: 16 June 1894 to 29 July 18941895: 6 May 1895 to 23 September 18951896: 5 June 1896 to 12 August 18961897: 10 September 1897 to 10 September 18971898: 4 July 1898 to 5 September 18981899: 14 June 1899 to 31 August 18991900: 8 July 1900 to 4 September 19001901: 7 June 1901 to 7 September 19011975: 20 May 1975 to 3 August 19751976: 10 June 1976 to 6 July 19761977: 22 May 1977 to 29 August 19771978: 27 May 1978 to 16 August 19781979: 9 May 1979 to 25 July 19791980: 25 June 1980 to 1 August 19801982: 7 July 1982 to 18 July 19821879188518891893189719011978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Richmond meeting 30 C (86 F).
First to last qualifying date each year at Richmond
YearFirst dateLast date
18791879-05-311879-08-01
18821882-06-141882-08-06
18831883-07-171883-07-17
18841884-06-031884-09-04
18851885-06-131885-07-25
18861886-07-031886-08-10
18871887-06-291887-08-05
18881888-06-221888-08-03
18891889-05-081889-07-02
18901890-06-301890-08-05
18911891-06-111891-08-11
18921892-05-311892-08-19
18931893-05-121893-08-11
18941894-06-161894-07-29
18951895-05-061895-09-23
18961896-06-051896-08-12
18971897-09-101897-09-10
18981898-07-041898-09-05
18991899-06-141899-08-31
19001900-07-081900-09-04
19011901-06-071901-09-07
19751975-05-201975-08-03
19761976-06-101976-07-06
19771977-05-221977-08-29
19781978-05-271978-08-16
19791979-05-091979-07-25
19801980-06-251980-08-01
19821982-07-071982-07-18

Every Fixed Threshold

Fixed thresholds at Richmond
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days281718954
35 C (95 F): Days2118981
90 F (32.2 C): Days20718981
0 C (32 F): Ice days (max29105187977
0 C (32 F): Frost days (min282021885151
-10 C (14 F): Days with min28116188376
-20 C (-4 F): Days with min2864188533
-30 C (-22 F): Days with min281618857
-40 C (-40 F): Days with min5118791
20 C (68 F): Tropical nights (min16619755
25 C (77 F): Days with min1119821
10 mm (0.39 in): Days with 10 mm or more rain2647197636
25 mm (0.98 in): Days with 25 mm or more rain261218876
50 mm (1.97 in): Days with 50 mm or more rain5219821
10 cm (3.9 in): Days with 10 cm or more snowfall281618966
25 cm (9.8 in): Days with 25 cm or more snowfall16518872

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1879.

Download the Data

  • Data for Richmond 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 (2026-10-17).