Record envelope, standing records and threshold days for Bellingham (USC00450569), Washington, United States, with 47 years of record.
Key Facts for Bellingham
Bellingham (USC00450569) is a weather station in Washington, United States at 48.75 latitude and -122.48 longitude, 49 m (161 ft) above sea level.
The station reports from 1895 to 1941, 47 years of record.
1,464 records set at Bellingham still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Bellingham set a daily record precipitation of 9.7 mm (0.38 in) on 18 June 1941.
About the Station
Location: Washington, United States, 48.75 latitude, -122.48 longitude.
Elevation: 49 m (161 ft).
Period of record: 1895 to 1941, 47 years.
Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Bellingham. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Bellingham, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
21.7 C (71.1 F)
-17.8 C (0.0 F)
n/a
n/a
Feb
19.4 C (66.9 F)
-16.7 C (1.9 F)
n/a
n/a
Mar
22.2 C (72.0 F)
-10.6 C (12.9 F)
n/a
n/a
Apr
27.2 C (81.0 F)
-3.3 C (26.1 F)
n/a
n/a
May
28.9 C (84.0 F)
-1.7 C (28.9 F)
n/a
n/a
Jun
31.1 C (88.0 F)
-1.1 C (30.0 F)
n/a
n/a
Jul
35.6 C (96.1 F)
0.6 C (33.1 F)
n/a
n/a
Aug
34.4 C (93.9 F)
-2.2 C (28.0 F)
n/a
n/a
Sep
31.1 C (88.0 F)
-3.3 C (26.1 F)
n/a
n/a
Oct
28.3 C (82.9 F)
-5.6 C (21.9 F)
n/a
n/a
Nov
22.8 C (73.0 F)
-15.6 C (3.9 F)
n/a
n/a
Dec
19.4 C (66.9 F)
-20.0 C (-4.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Bellingham still stand. 1896 holds the most, with 79.
Standing records at Bellingham by the year they were set
Year set
Standing records
1895
45
1896
79
1897
39
1898
21
1899
73
1900
49
1901
44
1902
48
1903
38
1904
38
1905
49
1906
37
1907
37
1908
47
1909
52
1910
43
1911
46
1912
44
1913
35
1914
3
1922
39
1923
36
1924
59
1926
7
1928
1
1929
26
1930
38
1931
29
1932
34
1933
23
1934
48
1935
42
1936
37
1937
31
1938
31
1939
38
1940
56
1941
22
Wettest Day of Each Month
Jan: 142.0 mm (5.6 in)
The wettest day on record for each calendar month at Bellingham. The most was 142.0 mm (5.6 in) on 21 January 1935.
Record daily precipitation for each month at Bellingham
Month
Record daily precipitation (mm)
Date
Jan
142.0 mm (5.6 in)
21 January 1935
Feb
39.4 mm (1.6 in)
18 February 1931
Mar
33.3 mm (1.3 in)
6 March 1933
Apr
28.4 mm (1.1 in)
18 April 1911
May
44.5 mm (1.8 in)
20 May 1912
Jun
43.4 mm (1.7 in)
20 June 1900
Jul
41.1 mm (1.6 in)
10 July 1932
Aug
33.0 mm (1.3 in)
15 August 1912
Sep
60.2 mm (2.4 in)
8 September 1905
Oct
47.0 mm (1.9 in)
29 October 1907
Nov
55.9 mm (2.2 in)
9 November 1896
Dec
77.0 mm (3.0 in)
23 December 1910
Period of Record Coverage
1895 to 1941
Complete yearUnder 90 percent of days
38 years of record at Bellingham, 1895 to 1941. 11 years have data for under 90 percent of days and are left out of rankings: 1895, 1897, 1898, 1904, 1914, 1922, 1923, 1924 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 25 complete years at Bellingham, 1899 to 1940. Blue stripes are years cooler than the station's own mean of 10.4 C (50.7 F); red stripes are warmer. The coolest year was 1911, at 9.5 C (49.1 F), and the warmest was 1940, at 12.1 C (53.8 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Bellingham as warming stripes, 1899 to 1940
Year
Annual mean temperature
Difference from the station mean
1899
9.8 C
-0.54 C
1900
10.4 C
+0.08 C
1901
9.9 C
-0.42 C
1902
9.9 C
-0.47 C
1903
9.7 C
-0.65 C
1905
10.2 C
-0.15 C
1906
10.8 C
+0.40 C
1907
10.4 C
+0.06 C
1908
10.0 C
-0.34 C
1909
9.5 C
-0.82 C
1910
10.1 C
-0.27 C
1911
9.5 C
-0.85 C
1912
10.7 C
+0.30 C
1929
10.0 C
-0.41 C
1930
10.3 C
-0.03 C
1931
11.1 C
+0.74 C
1932
10.4 C
+0.06 C
1933
10.1 C
-0.28 C
1934
11.7 C
+1.35 C
1935
10.1 C
-0.27 C
1936
10.3 C
-0.07 C
1937
10.2 C
-0.17 C
1938
10.5 C
+0.17 C
1939
11.3 C
+0.90 C
1940
12.1 C
+1.75 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
1895 to 1941
Yearly extremes at Bellingham: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
35.6 C (96.1 F)
1899
29.4 C (84.9 F)
38
Coldest night (TNn)
-20.0 C (-4.0 F)
1922
-11.9 C (10.5 F)
38
Wettest day (Rx1day)
142.0 mm (5.6 in)
1935
35.4 mm (1.4 in)
38
Wettest five days (Rx5day)
272.8 mm (10.7 in)
1935
66.9 mm (2.6 in)
38
Longest dry spell (CDD)
85 days
1930
26 days
38
Hottest day (TXx)
The hottest day of the year at Bellingham, 1895 to 1941. The record is 35.6 C (96.1 F) in 1899, marked on the chart; the median year is 29.4 C (84.9 F).
Hottest day (TXx) at Bellingham by year
Year
Hottest day (TXx)
1895
30.6 C (87.1 F)
1896
29.4 C (84.9 F)
1897
30.6 C (87.1 F)
1898
28.9 C (84.0 F)
1899
35.6 C (96.1 F)
1900
25.6 C (78.1 F)
1901
26.7 C (80.1 F)
1902
34.4 C (93.9 F)
1903
30.0 C (86.0 F)
1904
27.8 C (82.0 F)
1905
27.2 C (81.0 F)
1906
28.3 C (82.9 F)
1907
28.9 C (84.0 F)
1908
30.0 C (86.0 F)
1909
29.4 C (84.9 F)
1910
30.0 C (86.0 F)
1911
28.9 C (84.0 F)
1912
33.3 C (91.9 F)
1913
30.6 C (87.1 F)
1914
13.9 C (57.0 F)
1922
22.8 C (73.0 F)
1923
29.4 C (84.9 F)
1924
33.9 C (93.0 F)
1926
14.4 C (57.9 F)
1928
10.6 C (51.1 F)
1929
28.3 C (82.9 F)
1930
31.1 C (88.0 F)
1931
29.4 C (84.9 F)
1932
31.1 C (88.0 F)
1933
32.2 C (90.0 F)
1934
32.8 C (91.0 F)
1935
30.6 C (87.1 F)
1936
26.7 C (80.1 F)
1937
28.3 C (82.9 F)
1938
28.9 C (84.0 F)
1939
31.7 C (89.1 F)
1940
28.9 C (84.0 F)
1941
28.9 C (84.0 F)
Coldest night (TNn)
The coldest night of the year at Bellingham, 1895 to 1941. The record is -20.0 C (-4.0 F) in 1922, marked on the chart; the median year is -11.9 C (10.5 F).
Coldest night (TNn) at Bellingham by year
Year
Coldest night (TNn)
1895
-8.3 C (17.1 F)
1896
-15.6 C (3.9 F)
1897
-10.6 C (12.9 F)
1898
-7.8 C (18.0 F)
1899
-16.1 C (3.0 F)
1900
-11.1 C (12.0 F)
1901
-12.8 C (9.0 F)
1902
-12.2 C (10.0 F)
1903
-7.2 C (19.0 F)
1904
-3.3 C (26.1 F)
1905
-10.6 C (12.9 F)
1906
-9.4 C (15.1 F)
1907
-6.7 C (19.9 F)
1908
-10.0 C (14.0 F)
1909
-17.8 C (0.0 F)
1910
-11.1 C (12.0 F)
1911
-16.7 C (1.9 F)
1912
-12.2 C (10.0 F)
1913
-12.2 C (10.0 F)
1914
-2.8 C (27.0 F)
1922
-20.0 C (-4.0 F)
1923
-14.4 C (6.1 F)
1924
-17.2 C (1.0 F)
1926
-12.2 C (10.0 F)
1928
-13.3 C (8.1 F)
1929
-13.9 C (7.0 F)
1930
-12.2 C (10.0 F)
1931
-5.0 C (23.0 F)
1932
-11.7 C (10.9 F)
1933
-13.3 C (8.1 F)
1934
-3.9 C (25.0 F)
1935
-16.1 C (3.0 F)
1936
-16.7 C (1.9 F)
1937
-13.9 C (7.0 F)
1938
-5.6 C (21.9 F)
1939
-10.0 C (14.0 F)
1940
-6.1 C (21.0 F)
1941
-3.3 C (26.1 F)
Wettest day (Rx1day)
The wettest day of the year at Bellingham, 1895 to 1941. The record is 142.0 mm (5.6 in) in 1935, marked on the chart; the median year is 35.4 mm (1.4 in).
Wettest day (Rx1day) at Bellingham by year
Year
Wettest day (Rx1day)
1895
20.6 mm (0.8 in)
1896
55.9 mm (2.2 in)
1897
45.7 mm (1.8 in)
1898
34.0 mm (1.3 in)
1899
34.5 mm (1.4 in)
1900
43.4 mm (1.7 in)
1901
26.7 mm (1.1 in)
1902
46.0 mm (1.8 in)
1903
40.4 mm (1.6 in)
1904
33.0 mm (1.3 in)
1905
60.2 mm (2.4 in)
1906
48.3 mm (1.9 in)
1907
47.0 mm (1.9 in)
1908
30.5 mm (1.2 in)
1909
36.8 mm (1.4 in)
1910
77.0 mm (3.0 in)
1911
28.4 mm (1.1 in)
1912
44.5 mm (1.8 in)
1913
36.3 mm (1.4 in)
1914
33.8 mm (1.3 in)
1922
29.7 mm (1.2 in)
1923
26.7 mm (1.1 in)
1924
47.5 mm (1.9 in)
1926
26.7 mm (1.1 in)
1928
7.1 mm (0.28 in)
1929
32.3 mm (1.3 in)
1930
31.2 mm (1.2 in)
1931
39.4 mm (1.6 in)
1932
45.7 mm (1.8 in)
1933
44.5 mm (1.8 in)
1934
32.0 mm (1.3 in)
1935
142.0 mm (5.6 in)
1936
33.8 mm (1.3 in)
1937
40.4 mm (1.6 in)
1938
46.5 mm (1.8 in)
1939
24.6 mm (1.0 in)
1940
31.5 mm (1.2 in)
1941
24.6 mm (1.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Bellingham, 1895 to 1941. The record is 272.8 mm (10.7 in) in 1935, marked on the chart; the median year is 66.9 mm (2.6 in).
Wettest five days (Rx5day) at Bellingham by year
Year
Wettest five days (Rx5day)
1895
41.7 mm (1.6 in)
1896
100.1 mm (3.9 in)
1897
65.5 mm (2.6 in)
1898
65.3 mm (2.6 in)
1899
83.7 mm (3.3 in)
1900
66.3 mm (2.6 in)
1901
62.8 mm (2.5 in)
1902
68.4 mm (2.7 in)
1903
71.9 mm (2.8 in)
1904
58.4 mm (2.3 in)
1905
93.5 mm (3.7 in)
1906
67.4 mm (2.7 in)
1907
79.5 mm (3.1 in)
1908
51.6 mm (2.0 in)
1909
73.0 mm (2.9 in)
1910
101.1 mm (4.0 in)
1911
58.9 mm (2.3 in)
1912
51.2 mm (2.0 in)
1913
65.2 mm (2.6 in)
1914
94.8 mm (3.7 in)
1922
57.7 mm (2.3 in)
1923
75.8 mm (3.0 in)
1924
113.3 mm (4.5 in)
1926
49.1 mm (1.9 in)
1928
21.1 mm (0.8 in)
1929
53.9 mm (2.1 in)
1930
62.9 mm (2.5 in)
1931
59.0 mm (2.3 in)
1932
87.7 mm (3.5 in)
1933
107.1 mm (4.2 in)
1934
63.5 mm (2.5 in)
1935
272.8 mm (10.7 in)
1936
69.3 mm (2.7 in)
1937
103.3 mm (4.1 in)
1938
80.0 mm (3.1 in)
1939
81.3 mm (3.2 in)
1940
63.0 mm (2.5 in)
1941
41.1 mm (1.6 in)
Longest dry spell (CDD)
The longest dry spell of the year at Bellingham, 1895 to 1941. The record is 85 days in 1930, marked on the chart; the median year is 26 days.
Longest dry spell (CDD) at Bellingham by year
Year
Longest dry spell (CDD)
1895
57 days
1896
37 days
1897
20 days
1898
28 days
1899
35 days
1900
19 days
1901
45 days
1902
14 days
1903
15 days
1904
30 days
1905
29 days
1906
23 days
1907
34 days
1908
30 days
1909
24 days
1910
30 days
1911
22 days
1912
22 days
1913
15 days
1914
4 days
1922
18 days
1923
17 days
1924
27 days
1926
4 days
1928
6 days
1929
28 days
1930
85 days
1931
36 days
1932
18 days
1933
26 days
1934
28 days
1935
25 days
1936
42 days
1937
36 days
1938
11 days
1939
24 days
1940
32 days
1941
13 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.
Frost Dates and Growing Season
25 years with a frost
Across 25 years with a frost, the median last spring frost at Bellingham falls on 9 April and the median first autumn frost on 26 October, which leaves a median of 204 days between them.
Fitted over all years, the growing season changes by +20.1 days per decade at this station.
Frost dates and growing season at Bellingham
Measure
Median, all years
Earliest period
Recent period (1899 to 1940)
Recent against earliest
Fitted trend
Last spring frost
9 April
n/a
9 April
n/a
-10.9 days per decade
First autumn frost
26 October
n/a
26 October
n/a
+9.1 days per decade
Growing days
204 days
n/a
204 days
n/a
+20.1 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Download the Data
Data for Bellingham standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Bellingham 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). Records are computed by this site and are not official.