Aden Threshold Days by Year (CA003040049)

16 fixed thresholds counted per year at Aden (CA003040049): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aden Thresholds

Aden: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1967 with 9.
Aden: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1971 with 34.
Aden: days with a maximum temperature at or above 90 F (32.2 C) in 12 years, most in 1971 with 25.
Aden: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 1975 with 83.
16 fixed thresholds have at least one qualifying day at Aden.

Days at or above 30 C (86 F)

12 years with a qualifying day

Days per year at Aden with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1971.

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

First to last qualifying date each year at Aden
Year	First date	Last date
1964	1964-06-26	1964-08-18
1965	1965-06-11	1965-08-12
1967	1967-07-12	1967-09-29
1968	1968-06-19	1968-09-11
1969	1969-06-04	1969-09-12
1970	1970-06-03	1970-08-25
1971	1971-06-22	1971-09-05
1972	1972-05-31	1972-08-29
1973	1973-05-16	1973-08-21
1974	1974-06-16	1974-09-25
1975	1975-07-04	1975-07-28
1976	1976-06-30	1976-09-05

Every Fixed Threshold

Fixed thresholds at Aden
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	12	34	1971	13
35 C (95 F): Days	10	10	1971	1
90 F (32.2 C): Days	12	25	1971	7
100 F (37.8 C): Days	2	1	1969	1
0 C (32 F): Ice days (max	12	83	1975	38
0 C (32 F): Frost days (min	12	192	1970	155
-10 C (14 F): Days with min	12	77	1972	46
-20 C (-4 F): Days with min	12	36	1972	17
-30 C (-22 F): Days with min	9	12	1969	3
-40 C (-40 F): Days with min	1	1	1968	1
20 C (68 F): Tropical nights (min	6	4	1971	1
10 mm (0.39 in): Days with 10 mm or more rain	12	24	1975	10
25 mm (0.98 in): Days with 25 mm or more rain	9	4	1965	4
50 mm (1.97 in): Days with 50 mm or more rain	3	2	1965	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	9	1967	4
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

Data for Aden 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).

Aden Threshold Days by Year (CA003040049)

Key Facts for Aden Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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