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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Brazzaville Threshold Days by Year

11 fixed thresholds counted per year at Brazzaville (CF000004450): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brazzaville Thresholds

  • Brazzaville: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1979 with 240.
  • Brazzaville: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1979 with 132.
  • Brazzaville: nights with a minimum temperature at or above 20 C (68 F) in 30 years, most in 1979 with 289.
  • Brazzaville: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1957 with 52.
  • 11 fixed thresholds have at least one qualifying day at Brazzaville.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Brazzaville Days per year at Brazzaville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 1979. 01002003001948: 1801950: 1671951: 1841952: 1931953: 1821954: 1741955: 1881956: 1951957: 1901958: 1961960: 2101961: 1611962: 2011963: 2331964: 1771967: 1921968: 2121969: 2191970: 2001971: 2091972: 2291973: 2201974: 2341975: 2121976: 1971977: 2131978: 2281979: 2401980: 2132025: 1201948195219551958196219671970197319761979
Days per year at Brazzaville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 1979.
Days at or above 30 C (86 F) per year at Brazzaville
YearDaysDecade average
1948180180
1950167185.4
1951184185.4
1952193185.4
1953182185.4
1954174185.4
1955188185.4
1956195185.4
1957190185.4
1958196185.4
1960210200.6
1961161200.6
1962201200.6
1963233200.6
1964177200.6
1967192200.6
1968212200.6
1969219200.6
1970200218.2
1971209218.2
1972229218.2
1973220218.2
1974234218.2
1975212218.2
1976197218.2
1977213218.2
1978228218.2
1979240218.2
1980213213
2025120120
First to last qualifying date each year at Brazzaville For each year, a bar from the first to the last day at Brazzaville meeting 30 C (86 F). 1948: 5 January 1948 to 31 December 19481950: 1 January 1950 to 31 December 19501951: 2 January 1951 to 31 December 19511952: 1 January 1952 to 31 December 19521953: 4 January 1953 to 31 December 19531954: 4 January 1954 to 30 December 19541955: 2 January 1955 to 30 December 19551956: 1 January 1956 to 31 December 19561957: 2 January 1957 to 31 December 19571958: 3 January 1958 to 31 December 19581960: 2 January 1960 to 31 December 19601961: 2 January 1961 to 30 December 19611962: 5 January 1962 to 31 December 19621963: 2 January 1963 to 30 December 19631964: 2 January 1964 to 27 December 19641967: 1 January 1967 to 30 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 2 January 1971 to 24 December 19711972: 1 January 1972 to 30 December 19721973: 1 January 1973 to 31 December 19731974: 2 January 1974 to 29 December 19741975: 3 January 1975 to 31 December 19751976: 2 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19802025: 1 January 2025 to 24 August 202519481953195719621968197219761980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brazzaville meeting 30 C (86 F).
First to last qualifying date each year at Brazzaville
YearFirst dateLast date
19481948-01-051948-12-31
19501950-01-011950-12-31
19511951-01-021951-12-31
19521952-01-011952-12-31
19531953-01-041953-12-31
19541954-01-041954-12-30
19551955-01-021955-12-30
19561956-01-011956-12-31
19571957-01-021957-12-31
19581958-01-031958-12-31
19601960-01-021960-12-31
19611961-01-021961-12-30
19621962-01-051962-12-31
19631963-01-021963-12-30
19641964-01-021964-12-27
19671967-01-011967-12-30
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-021971-12-24
19721972-01-011972-12-30
19731973-01-011973-12-31
19741974-01-021974-12-29
19751975-01-031975-12-31
19761976-01-021976-12-31
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
20252025-01-012025-08-24

Every Fixed Threshold

Fixed thresholds at Brazzaville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days302401979120
35 C (95 F): Days181219797
40 C (104 F): Days1119741
90 F (32.2 C): Days30132197977
100 F (37.8 C): Days1119741
20 C (68 F): Tropical nights (min302891979142
25 C (77 F): Days with min1219732
10 mm (0.39 in): Days with 10 mm or more rain3052195724
25 mm (0.98 in): Days with 25 mm or more rain3025195312
50 mm (1.97 in): Days with 50 mm or more rain301019574
100 mm (3.94 in): Days with 100 mm or more rain12219512

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Brazzaville 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).