Charlottetown A Threshold Days by Year (CA008300300)

14 fixed thresholds counted per year at Charlottetown A (CA008300300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Charlottetown A Thresholds

Charlottetown A: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1965 with 101.
Charlottetown A: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1972 with 200.
Charlottetown A: nights with a minimum temperature at or below -10 C (14 F) in 39 years, most in 1972 with 86.
Charlottetown A: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1972 with 50.
14 fixed thresholds have at least one qualifying day at Charlottetown A.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Charlottetown A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1944.

Days at or above 30 C (86 F) per year at Charlottetown A
Year	Days	Decade average
1944	10	6
1947	4	6
1949	4	6
1952	4	2.3
1955	2	2.3
1959	1	2.3
1960	1	1
1963	1	1
1970	5	2.4
1972	1	2.4
1973	1	2.4
1974	1	2.4
1975	5	2.4
1976	2	2.4
1977	2	2.4
1980	1	1
1982	1	1
1983	1	1

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

First to last qualifying date each year at Charlottetown A
Year	First date	Last date
1944	1944-06-28	1944-08-16
1947	1947-06-29	1947-08-14
1949	1949-06-17	1949-07-30
1952	1952-07-08	1952-08-28
1955	1955-07-09	1955-07-10
1959	1959-07-28	1959-07-28
1960	1960-08-19	1960-08-19
1963	1963-07-27	1963-07-27
1970	1970-07-25	1970-08-16
1972	1972-07-16	1972-07-16
1973	1973-07-09	1973-07-09
1974	1974-08-12	1974-08-12
1975	1975-06-24	1975-08-11
1976	1976-08-21	1976-08-22
1977	1977-05-23	1977-08-29
1980	1980-06-26	1980-06-26
1982	1982-07-19	1982-07-19
1983	1983-07-05	1983-07-05

Every Fixed Threshold

Fixed thresholds at Charlottetown A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	10	1944	1
90 F (32.2 C): Days	6	6	1944	1
0 C (32 F): Ice days (max	39	101	1965	62
0 C (32 F): Frost days (min	39	200	1972	140
-10 C (14 F): Days with min	39	86	1972	48
-20 C (-4 F): Days with min	38	18	1975	2
-30 C (-22 F): Days with min	1	1	1982	1
20 C (68 F): Tropical nights (min	12	8	1947	1
10 mm (0.39 in): Days with 10 mm or more rain	39	50	1972	39
25 mm (0.98 in): Days with 25 mm or more rain	39	18	1981	3
50 mm (1.97 in): Days with 50 mm or more rain	20	3	1978	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1967	1
10 cm (3.9 in): Days with 10 cm or more snowfall	39	24	1967	5
25 cm (9.8 in): Days with 25 cm or more snowfall	25	3	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

Data for Charlottetown A 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Charlottetown A Threshold Days by Year (CA008300300)

Key Facts for Charlottetown A Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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