Francistown Threshold Days by Year

12 fixed thresholds counted per year at Francistown (BC008948490): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Francistown Thresholds

Francistown: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1948 with 28.
Francistown: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1939 with 11.
Francistown: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1928 with 4.
Francistown: nights with a minimum temperature at or above 20 C (68 F) in 28 years, most in 1987 with 88.
12 fixed thresholds have at least one qualifying day at Francistown.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Francistown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 197 in 1983.

Days at or above 30 C (86 F) per year at Francistown
Year	Days	Decade average
1959	133	133
1960	149	143.1
1961	130	143.1
1962	158	143.1
1963	129	143.1
1964	173	143.1
1965	160	143.1
1966	128	143.1
1967	123	143.1
1968	161	143.1
1969	120	143.1
1970	176	133.9
1971	159	133.9
1972	129	133.9
1973	152	133.9
1974	88	133.9
1975	111	133.9
1976	118	133.9
1977	130	133.9
1978	112	133.9
1979	164	133.9
1980	159	166
1981	119	166
1982	175	166
1983	197	166
1984	180	166

For each year, a bar from the first to the last day at Francistown meeting 30 C (86 F).

First to last qualifying date each year at Francistown
Year	First date	Last date
1959	1959-01-12	1959-12-31
1960	1960-01-01	1960-12-28
1961	1961-01-04	1961-12-29
1962	1962-01-01	1962-12-23
1963	1963-01-06	1963-12-31
1964	1964-01-01	1964-12-27
1965	1965-01-01	1965-12-30
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-30
1969	1969-01-02	1969-12-31
1970	1970-01-01	1970-12-28
1971	1971-01-07	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-15
1974	1974-01-13	1974-12-29
1975	1975-01-01	1975-12-31
1976	1976-01-07	1976-12-31
1977	1977-01-02	1977-12-14
1978	1978-01-06	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31

Every Fixed Threshold

Fixed thresholds at Francistown
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	197	1983	180
35 C (95 F): Days	26	58	1983	47
40 C (104 F): Days	4	1	1962	1
90 F (32.2 C): Days	26	134	1983	121
100 F (37.8 C): Days	24	12	1968	5
0 C (32 F): Frost days (min	20	17	1975	10
20 C (68 F): Tropical nights (min	28	88	1987	26
25 C (77 F): Days with min	9	5	1987	1
10 mm (0.39 in): Days with 10 mm or more rain	71	28	1948	15
25 mm (0.98 in): Days with 25 mm or more rain	70	11	1939	5
50 mm (1.97 in): Days with 50 mm or more rain	45	4	1928	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1923	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

Data for Francistown 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Francistown Threshold Days by Year

Key Facts for Francistown Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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