Built 2026-10-19 (19 October 2026)

Libreville Threshold Days by Year (GB000004500)

9 fixed thresholds counted per year at Libreville (GB000004500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Libreville Thresholds

  • Libreville: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1950 with 182.
  • Libreville: nights with a minimum temperature at or above 20 C (68 F) in 28 years, most in 1951 with 365.
  • Libreville: nights with a minimum temperature at or above 25 C (77 F) in 28 years, most in 1979 with 79.
  • Libreville: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1951 with 89.
  • 9 fixed thresholds have at least one qualifying day at Libreville.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Libreville Days per year at Libreville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 182 in 1950. 0501001502001950: 1821951: 1611952: 1771953: 1571954: 1021955: 681956: 391957: 581958: 671961: 731962: 531963: 711964: 711965: 501967: 721968: 681969: 981970: 921971: 581972: 641973: 1131974: 601975: 481976: 401977: 851978: 691979: 951980: 861950195319561961196419681971197419771980
Days per year at Libreville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 182 in 1950.
Days at or above 30 C (86 F) per year at Libreville
YearDaysDecade average
1950182112.3
1951161112.3
1952177112.3
1953157112.3
1954102112.3
195568112.3
195639112.3
195758112.3
195867112.3
19617369.5
19625369.5
19637169.5
19647169.5
19655069.5
19677269.5
19686869.5
19699869.5
19709272.4
19715872.4
19726472.4
197311372.4
19746072.4
19754872.4
19764072.4
19778572.4
19786972.4
19799572.4
19808686
First to last qualifying date each year at Libreville For each year, a bar from the first to the last day at Libreville meeting 30 C (86 F). 1950: 2 January 1950 to 31 December 19501951: 2 January 1951 to 31 December 19511952: 2 January 1952 to 30 December 19521953: 3 January 1953 to 31 December 19531954: 1 January 1954 to 21 December 19541955: 10 January 1955 to 12 December 19551956: 7 January 1956 to 9 May 19561957: 23 January 1957 to 28 December 19571958: 3 January 1958 to 30 December 19581961: 2 January 1961 to 20 May 19611962: 2 February 1962 to 29 December 19621963: 4 February 1963 to 26 October 19631964: 1 January 1964 to 5 May 19641965: 9 January 1965 to 23 May 19651967: 7 January 1967 to 7 December 19671968: 12 January 1968 to 21 December 19681969: 6 January 1969 to 31 December 19691970: 1 January 1970 to 30 December 19701971: 25 January 1971 to 18 November 19711972: 20 January 1972 to 31 December 19721973: 2 January 1973 to 6 June 19731974: 23 January 1974 to 23 May 19741975: 20 January 1975 to 19 December 19751976: 30 January 1976 to 28 December 19761977: 13 January 1977 to 21 December 19771978: 4 January 1978 to 27 December 19781979: 6 January 1979 to 28 December 19791980: 9 January 1980 to 12 December 19801950195419581964196919731977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Libreville meeting 30 C (86 F).
First to last qualifying date each year at Libreville
YearFirst dateLast date
19501950-01-021950-12-31
19511951-01-021951-12-31
19521952-01-021952-12-30
19531953-01-031953-12-31
19541954-01-011954-12-21
19551955-01-101955-12-12
19561956-01-071956-05-09
19571957-01-231957-12-28
19581958-01-031958-12-30
19611961-01-021961-05-20
19621962-02-021962-12-29
19631963-02-041963-10-26
19641964-01-011964-05-05
19651965-01-091965-05-23
19671967-01-071967-12-07
19681968-01-121968-12-21
19691969-01-061969-12-31
19701970-01-011970-12-30
19711971-01-251971-11-18
19721972-01-201972-12-31
19731973-01-021973-06-06
19741974-01-231974-05-23
19751975-01-201975-12-19
19761976-01-301976-12-28
19771977-01-131977-12-21
19781978-01-041978-12-27
19791979-01-061979-12-28
19801980-01-091980-12-12

Every Fixed Threshold

Fixed thresholds at Libreville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days28182195086
90 F (32.2 C): Days116119501
20 C (68 F): Tropical nights (min283651951364
25 C (77 F): Days with min2879197969
10 mm (0.39 in): Days with 10 mm or more rain2889195174
25 mm (0.98 in): Days with 25 mm or more rain2850197333
50 mm (1.97 in): Days with 50 mm or more rain2824195511
100 mm (3.94 in): Days with 100 mm or more rain25519551
200 mm (7.87 in): Days with 200 mm or more rain2119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Libreville 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).