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

Aliwal North Threshold Days by Year (SF001753710)

11 fixed thresholds counted per year at Aliwal North (SF001753710): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aliwal North Thresholds

  • Aliwal North: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1887 with 30.
  • Aliwal North: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1891 with 10.
  • Aliwal North: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1898 with 3.
  • Aliwal North: nights with a minimum temperature at or below 0 C (32 F) in 10 years, most in 2020 with 101.
  • 11 fixed thresholds have at least one qualifying day at Aliwal North.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Aliwal North Days per year at Aliwal North with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 143 in 2015. 0501001502014: 942015: 1432016: 1332017: 1052018: 1052019: 1262020: 912021: 852025: 30201420152016201720182019202020212025
Days per year at Aliwal North with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 143 in 2015.
Days at or above 30 C (86 F) per year at Aliwal North
YearDaysDecade average
201494117.7
2015143117.7
2016133117.7
2017105117.7
2018105117.7
2019126117.7
20209168.7
20218568.7
20253068.7
First to last qualifying date each year at Aliwal North For each year, a bar from the first to the last day at Aliwal North meeting 30 C (86 F). 2014: 1 January 2014 to 30 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 31 December 20182019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 13 December 20212025: 1 January 2025 to 21 March 202520142016201820202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aliwal North meeting 30 C (86 F).
First to last qualifying date each year at Aliwal North
YearFirst dateLast date
20142014-01-012014-12-30
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-31
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-13
20252025-01-012025-03-21

Every Fixed Threshold

Fixed thresholds at Aliwal North
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9143201530
35 C (95 F): Days840201512
40 C (104 F): Days1220162
90 F (32.2 C): Days994201524
100 F (37.8 C): Days51120152
0 C (32 F): Frost days (min10101202049
-10 C (14 F): Days with min1120141
20 C (68 F): Tropical nights (min2120161
10 mm (0.39 in): Days with 10 mm or more rain703018876
25 mm (0.98 in): Days with 25 mm or more rain701018911
50 mm (1.97 in): Days with 50 mm or more rain29318981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2014.

Download the Data

  • Data for Aliwal North 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).