Shishmaref Weather Records (USC00508437)

Record envelope, standing records and threshold days for Shishmaref (USC00508437), Alaska, United States, with 108 years of record.

Key Facts for Shishmaref

Shishmaref (USC00508437) is a weather station in Alaska, United States at 66.25 latitude and -166.09 longitude, 3 m (10 ft) above sea level.
The station reports from 1919 to 2026, 108 years of record.
1,464 records set at Shishmaref still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alaska, United States, 66.25 latitude, -166.09 longitude.
Elevation: 3 m (10 ft).
Period of record: 1919 to 2026, 108 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

17 days at or beyond a record

The band shows the record high and record low for each calendar day at Shishmaref. The lines show the 2026 daily maximum and minimum. 17 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Shishmaref, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	3.3 C (37.9 F)	-40.6 C (-41.1 F)	0.0 C (32.0 F)	-33.3 C (-27.9 F)
Feb	3.3 C (37.9 F)	-44.4 C (-47.9 F)	1.7 C (35.1 F)	-30.0 C (-22.0 F)
Mar	5.6 C (42.1 F)	-42.8 C (-45.0 F)	2.2 C (36.0 F)	-33.3 C (-27.9 F)
Apr	12.8 C (55.0 F)	-40.0 C (-40.0 F)	3.9 C (39.0 F)	-27.8 C (-18.0 F)
May	23.9 C (75.0 F)	-29.4 C (-20.9 F)	23.9 C (75.0 F)	-13.3 C (8.1 F)
Jun	20.6 C (69.1 F)	-15.6 C (3.9 F)	17.2 C (63.0 F)	-5.0 C (23.0 F)
Jul	25.6 C (78.1 F)	-2.2 C (28.0 F)	20.0 C (68.0 F)	5.0 C (41.0 F)
Aug	22.8 C (73.0 F)	-6.1 C (21.0 F)	16.1 C (61.0 F)	3.3 C (37.9 F)
Sep	18.3 C (64.9 F)	-7.2 C (19.0 F)	5.6 C (42.1 F)	2.2 C (36.0 F)
Oct	12.2 C (54.0 F)	-22.2 C (-8.0 F)	-1.1 C (30.0 F)	-5.6 C (21.9 F)
Nov	3.9 C (39.0 F)	-33.9 C (-29.0 F)	-4.4 C (24.1 F)	-17.2 C (1.0 F)
Dec	2.8 C (37.0 F)	-41.7 C (-43.1 F)	0.6 C (33.1 F)	-25.0 C (-13.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Shishmaref still stand. 1924 holds the most, with 102.

Standing records at Shishmaref by the year they were set
Year set	Standing records
1919	32
1920	84
1921	34
1922	31
1923	41
1924	102
1925	36
1926	95
1927	44
1928	45
1929	60
1931	24
1932	42
1933	90
1934	60
1935	39
1936	41
1937	42
1941	26
1942	50
1943	51
1944	36
1945	35
1946	37
1947	46
1948	47
1949	54
1950	45
1951	33
1952	26
1973	6
2024	3
2025	27

Wettest Day of Each Month

Jun: 68.6 mm (2.7 in)

The wettest day on record for each calendar month at Shishmaref. The most was 68.6 mm (2.7 in) on 9 June 1922.

Record daily precipitation for each month at Shishmaref
Month	Record daily precipitation (mm)	Date
Jan	25.9 mm (1.0 in)	7 January 1949
Feb	25.7 mm (1.0 in)	10 February 1949
Mar	22.9 mm (0.9 in)	28 March 1929
Apr	10.4 mm (0.4 in)	30 April 1949
May	9.4 mm (0.37 in)	19 May 1949
Jun	68.6 mm (2.7 in)	9 June 1922
Jul	33.0 mm (1.3 in)	31 July 1924
Aug	51.8 mm (2.0 in)	17 August 1928
Sep	35.6 mm (1.4 in)	6 September 1927
Oct	12.7 mm (0.5 in)	31 October 1934
Nov	10.7 mm (0.4 in)	16 November 1951
Dec	21.6 mm (0.9 in)	12 December 1950

Period of Record Coverage

1919 to 2025

33 years of record at Shishmaref, 1919 to 2025. 15 years have data for under 90 percent of days and are left out of rankings: 1919, 1921, 1922, 1923, 1925, 1927, 1929, 1931 and others.

Days with data per year at Shishmaref
Year	Days with data	Share of year	Complete
1919	91	25%	No
1920	346	95%	Yes
1921	260	71%	No
1922	214	59%	No
1923	176	48%	No
1924	341	93%	Yes
1925	311	85%	No
1926	362	99%	Yes
1927	227	62%	No
1928	335	92%	Yes
1929	144	39%	No
1931	178	49%	No
1932	355	97%	Yes
1933	365	100%	Yes
1934	361	99%	Yes
1935	361	99%	Yes
1936	362	99%	Yes
1937	265	73%	No
1941	153	42%	No
1942	365	100%	Yes
1943	280	77%	No
1944	366	100%	Yes
1945	352	96%	Yes
1946	361	99%	Yes
1947	364	100%	Yes
1948	363	99%	Yes
1949	365	100%	Yes
1950	362	99%	Yes
1951	359	98%	Yes
1952	172	47%	No
1973	61	17%	No
2024	62	17%	No
2025	229	63%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

17 complete years, 1920 to 1951

One stripe for each of 17 complete years at Shishmaref, 1920 to 1951. Blue stripes are years cooler than the station's own mean of -6.5 C (20.3 F); red stripes are warmer. The coolest year was 1920, at -9.1 C (15.7 F), and the warmest was 1950, at -4.5 C (23.8 F). The strongest colour marks a difference of 2.6 C (4.7 F).

Annual mean temperature at Shishmaref as warming stripes, 1920 to 1951
Year	Annual mean temperature	Difference from the station mean
1920	-9.1 C	-2.56 C
1926	-4.8 C	+1.73 C
1928	-6.2 C	+0.29 C
1932	-7.2 C	-0.74 C
1933	-6.9 C	-0.38 C
1934	-5.1 C	+1.37 C
1935	-5.7 C	+0.83 C
1936	-7.6 C	-1.13 C
1942	-5.6 C	+0.94 C
1944	-6.6 C	-0.10 C
1945	-7.4 C	-0.93 C
1946	-7.2 C	-0.70 C
1947	-6.3 C	+0.15 C
1948	-7.2 C	-0.75 C
1949	-6.2 C	+0.31 C
1950	-4.5 C	+1.95 C
1951	-6.7 C	-0.23 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1919 to 2026

Yearly extremes at Shishmaref: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	25.6 C (78.1 F)	1946	19.2 C (66.5 F)	34
Coldest night (TNn)	-44.4 C (-47.9 F)	1947	-37.8 C (-36.0 F)	34
Wettest day (Rx1day)	68.6 mm (2.7 in)	1922	15.6 mm (0.6 in)	34
Wettest five days (Rx5day)	66.5 mm (2.6 in)	1928	25.4 mm (1.0 in)	34
Longest dry spell (CDD)	89 days	1933	42 days	34

Hottest day (TXx)

The hottest day of the year at Shishmaref, 1919 to 2026. The record is 25.6 C (78.1 F) in 1946, marked on the chart; the median year is 19.2 C (66.5 F).

Hottest day (TXx) at Shishmaref by year
Year	Hottest day (TXx)
1919	5.0 C (41.0 F)
1920	19.4 C (66.9 F)
1921	20.6 C (69.1 F)
1922	12.2 C (54.0 F)
1923	17.2 C (63.0 F)
1924	18.3 C (64.9 F)
1925	19.4 C (66.9 F)
1926	22.2 C (72.0 F)
1927	19.4 C (66.9 F)
1928	17.2 C (63.0 F)
1929	14.4 C (57.9 F)
1931	18.9 C (66.0 F)
1932	19.4 C (66.9 F)
1933	20.6 C (69.1 F)
1934	20.0 C (68.0 F)
1935	19.4 C (66.9 F)
1936	18.3 C (64.9 F)
1937	22.8 C (73.0 F)
1941	21.1 C (70.0 F)
1942	18.9 C (66.0 F)
1943	17.8 C (64.0 F)
1944	21.1 C (70.0 F)
1945	16.7 C (62.1 F)
1946	25.6 C (78.1 F)
1947	25.0 C (77.0 F)
1948	17.8 C (64.0 F)
1949	19.4 C (66.9 F)
1950	22.2 C (72.0 F)
1951	18.3 C (64.9 F)
1952	10.0 C (50.0 F)
1973	5.0 C (41.0 F)
2024	6.7 C (44.1 F)
2025	23.9 C (75.0 F)
2026	18.3 C (64.9 F)

Coldest night (TNn)

The coldest night of the year at Shishmaref, 1919 to 2026. The record is -44.4 C (-47.9 F) in 1947, marked on the chart; the median year is -37.8 C (-36.0 F).

Coldest night (TNn) at Shishmaref by year
Year	Coldest night (TNn)
1919	-37.8 C (-36.0 F)
1920	-38.9 C (-38.0 F)
1921	-37.2 C (-35.0 F)
1922	-36.7 C (-34.1 F)
1923	-36.1 C (-33.0 F)
1924	-41.7 C (-43.1 F)
1925	-41.7 C (-43.1 F)
1926	-38.9 C (-38.0 F)
1927	-42.8 C (-45.0 F)
1928	-36.7 C (-34.1 F)
1929	-42.2 C (-44.0 F)
1931	-35.0 C (-31.0 F)
1932	-37.8 C (-36.0 F)
1933	-40.6 C (-41.1 F)
1934	-39.4 C (-38.9 F)
1935	-36.7 C (-34.1 F)
1936	-41.1 C (-42.0 F)
1937	-37.8 C (-36.0 F)
1941	-33.9 C (-29.0 F)
1942	-36.1 C (-33.0 F)
1943	-40.0 C (-40.0 F)
1944	-36.7 C (-34.1 F)
1945	-41.1 C (-42.0 F)
1946	-39.4 C (-38.9 F)
1947	-44.4 C (-47.9 F)
1948	-38.9 C (-38.0 F)
1949	-37.8 C (-36.0 F)
1950	-33.3 C (-27.9 F)
1951	-40.0 C (-40.0 F)
1952	-38.3 C (-36.9 F)
1973	-20.6 C (-5.1 F)
2024	-25.0 C (-13.0 F)
2025	-33.3 C (-27.9 F)
2026	-30.0 C (-22.0 F)

Wettest day (Rx1day)

The wettest day of the year at Shishmaref, 1919 to 2026. The record is 68.6 mm (2.7 in) in 1922, marked on the chart; the median year is 15.6 mm (0.6 in).

Wettest day (Rx1day) at Shishmaref by year
Year	Wettest day (Rx1day)
1919	6.1 mm (0.24 in)
1920	16.5 mm (0.6 in)
1921	12.2 mm (0.5 in)
1922	68.6 mm (2.7 in)
1923	10.2 mm (0.4 in)
1924	33.0 mm (1.3 in)
1925	10.2 mm (0.4 in)
1926	19.8 mm (0.8 in)
1927	35.6 mm (1.4 in)
1928	51.8 mm (2.0 in)
1929	22.9 mm (0.9 in)
1931	18.8 mm (0.7 in)
1932	25.4 mm (1.0 in)
1933	8.9 mm (0.35 in)
1934	38.1 mm (1.5 in)
1935	7.6 mm (0.30 in)
1936	12.7 mm (0.5 in)
1937	12.7 mm (0.5 in)
1941	10.4 mm (0.4 in)
1942	14.7 mm (0.6 in)
1943	9.9 mm (0.39 in)
1944	20.3 mm (0.8 in)
1945	17.0 mm (0.7 in)
1946	25.7 mm (1.0 in)
1947	12.2 mm (0.5 in)
1948	13.7 mm (0.5 in)
1949	25.9 mm (1.0 in)
1950	21.6 mm (0.9 in)
1951	17.8 mm (0.7 in)
1952	6.4 mm (0.25 in)
1973	4.6 mm (0.18 in)
2024	4.1 mm (0.16 in)
2025	12.7 mm (0.5 in)
2026	17.3 mm (0.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Shishmaref, 1919 to 2026. The record is 66.5 mm (2.6 in) in 1928, marked on the chart; the median year is 25.4 mm (1.0 in).

Wettest five days (Rx5day) at Shishmaref by year
Year	Wettest five days (Rx5day)
1919	9.4 mm (0.37 in)
1920	23.5 mm (0.9 in)
1921	15.5 mm (0.6 in)
1922	1.5 mm (0.06 in)
1923	17.8 mm (0.7 in)
1924	33.0 mm (1.3 in)
1925	11.2 mm (0.4 in)
1926	34.1 mm (1.3 in)
1927	40.7 mm (1.6 in)
1928	66.5 mm (2.6 in)
1929	30.8 mm (1.2 in)
1931	27.9 mm (1.1 in)
1932	31.2 mm (1.2 in)
1933	14.0 mm (0.6 in)
1934	58.4 mm (2.3 in)
1935	16.5 mm (0.6 in)
1936	13.3 mm (0.5 in)
1937	25.4 mm (1.0 in)
1941	18.3 mm (0.7 in)
1942	17.3 mm (0.7 in)
1943	26.1 mm (1.0 in)
1944	27.0 mm (1.1 in)
1945	25.4 mm (1.0 in)
1946	42.8 mm (1.7 in)
1947	20.9 mm (0.8 in)
1948	26.9 mm (1.1 in)
1949	44.7 mm (1.8 in)
1950	30.7 mm (1.2 in)
1951	44.5 mm (1.8 in)
1952	17.9 mm (0.7 in)
1973	9.6 mm (0.38 in)
2024	8.7 mm (0.34 in)
2025	27.7 mm (1.1 in)
2026	22.7 mm (0.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Shishmaref, 1919 to 2026. The record is 89 days in 1933, marked on the chart; the median year is 42 days.

Longest dry spell (CDD) at Shishmaref by year
Year	Longest dry spell (CDD)
1919	21 days
1920	45 days
1921	40 days
1922	15 days
1923	19 days
1924	41 days
1925	58 days
1926	39 days
1927	85 days
1928	57 days
1929	34 days
1931	22 days
1932	64 days
1933	89 days
1934	60 days
1935	59 days
1936	52 days
1937	60 days
1941	22 days
1942	48 days
1943	48 days
1944	40 days
1945	34 days
1946	41 days
1947	42 days
1948	47 days
1949	17 days
1950	22 days
1951	47 days
1952	27 days
1973	9 days
2024	17 days
2025	44 days
2026	72 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Shishmaref standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Shishmaref 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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