Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Arkona. 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 Arkona, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
16.1 C (61.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Feb
15.6 C (60.1 F)
-33.9 C (-29.0 F)
n/a
n/a
Mar
25.0 C (77.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Apr
30.0 C (86.0 F)
-12.8 C (9.0 F)
n/a
n/a
May
33.3 C (91.9 F)
-6.7 C (19.9 F)
n/a
n/a
Jun
35.0 C (95.0 F)
-1.1 C (30.0 F)
n/a
n/a
Jul
37.8 C (100.0 F)
1.1 C (34.0 F)
n/a
n/a
Aug
36.7 C (98.1 F)
1.7 C (35.1 F)
n/a
n/a
Sep
34.4 C (93.9 F)
-2.8 C (27.0 F)
n/a
n/a
Oct
29.4 C (84.9 F)
-10.0 C (14.0 F)
n/a
n/a
Nov
21.1 C (70.0 F)
-20.6 C (-5.1 F)
n/a
n/a
Dec
15.6 C (60.1 F)
-26.7 C (-16.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Arkona still stand. 1884 holds the most, with 77.
Standing records at Arkona by the year they were set
Year set
Standing records
1882
9
1883
56
1884
77
1885
73
1886
42
1887
66
1888
65
1889
37
1890
42
1891
46
1892
41
1893
21
1894
50
1895
74
1896
60
1897
33
1898
53
1899
71
1900
46
1901
38
1902
9
1903
45
1904
44
1905
25
1906
36
1907
34
1908
33
1909
41
1910
24
1911
44
1912
38
1913
46
1914
37
1915
8
Wettest Day of Each Month
Aug: 93.0 mm (3.7 in)
The wettest day on record for each calendar month at Arkona. The most was 93.0 mm (3.7 in) on 19 August 1904.
Record daily precipitation for each month at Arkona
Month
Record daily precipitation (mm)
Date
Jan
39.9 mm (1.6 in)
12 January 1908
Feb
39.4 mm (1.6 in)
11 February 1887
Mar
36.8 mm (1.4 in)
23 March 1913
Apr
38.6 mm (1.5 in)
3 April 1885
May
54.6 mm (2.1 in)
30 May 1889
Jun
85.3 mm (3.4 in)
3 June 1892
Jul
91.4 mm (3.6 in)
3 July 1889
Aug
93.0 mm (3.7 in)
19 August 1904
Sep
59.2 mm (2.3 in)
17 September 1905
Oct
41.9 mm (1.6 in)
19 October 1890
Nov
44.5 mm (1.8 in)
22 November 1909
Dec
57.2 mm (2.3 in)
16 December 1910
Period of Record Coverage
1882 to 1915
Complete yearUnder 90 percent of days
34 years of record at Arkona, 1882 to 1915. 4 years have data for under 90 percent of days and are left out of rankings: 1882, 1893, 1902, 1915.
Cooler than the station meanWarmer than the station mean
One stripe for each of 28 complete years at Arkona, 1883 to 1914. Blue stripes are years cooler than the station's own mean of 7.2 C (45.0 F); red stripes are warmer. The coolest year was 1885, at 5.2 C (41.3 F), and the warmest was 1894, at 8.4 C (47.2 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Arkona as warming stripes, 1883 to 1914
Year
Annual mean temperature
Difference from the station mean
1883
5.9 C
-1.29 C
1885
5.2 C
-2.05 C
1886
6.7 C
-0.52 C
1887
7.1 C
-0.14 C
1888
6.0 C
-1.19 C
1889
7.3 C
+0.12 C
1890
7.4 C
+0.18 C
1891
7.6 C
+0.41 C
1892
6.9 C
-0.33 C
1894
8.4 C
+1.22 C
1895
6.9 C
-0.35 C
1896
8.0 C
+0.76 C
1897
7.9 C
+0.65 C
1898
8.4 C
+1.19 C
1899
8.0 C
+0.82 C
1901
7.5 C
+0.27 C
1903
7.3 C
+0.06 C
1904
5.7 C
-1.50 C
1905
6.8 C
-0.44 C
1906
8.0 C
+0.78 C
1907
6.3 C
-0.89 C
1908
7.9 C
+0.71 C
1909
7.5 C
+0.29 C
1910
7.2 C
+0.01 C
1911
8.2 C
+0.97 C
1912
6.5 C
-0.76 C
1913
8.2 C
+0.97 C
1914
7.4 C
+0.17 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
1882 to 1915
Yearly extremes at Arkona: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
37.8 C (100.0 F)
1911
33.6 C (92.5 F)
34
Coldest night (TNn)
-33.9 C (-29.0 F)
1885
-26.1 C (-15.0 F)
34
Wettest day (Rx1day)
93.0 mm (3.7 in)
1904
41.8 mm (1.6 in)
34
Wettest five days (Rx5day)
131.1 mm (5.2 in)
1889
69.9 mm (2.8 in)
34
Longest dry spell (CDD)
41 days
1908
17 days
34
Hottest day (TXx)
The hottest day of the year at Arkona, 1882 to 1915. The record is 37.8 C (100.0 F) in 1911, marked on the chart; the median year is 33.6 C (92.5 F).
Hottest day (TXx) at Arkona by year
Year
Hottest day (TXx)
1882
29.4 C (84.9 F)
1883
32.2 C (90.0 F)
1884
35.0 C (95.0 F)
1885
32.2 C (90.0 F)
1886
34.4 C (93.9 F)
1887
36.7 C (98.1 F)
1888
33.9 C (93.0 F)
1889
32.2 C (90.0 F)
1890
35.0 C (95.0 F)
1891
34.4 C (93.9 F)
1892
33.9 C (93.0 F)
1893
20.6 C (69.1 F)
1894
36.1 C (97.0 F)
1895
33.9 C (93.0 F)
1896
33.9 C (93.0 F)
1897
35.0 C (95.0 F)
1898
34.4 C (93.9 F)
1899
35.6 C (96.1 F)
1900
36.7 C (98.1 F)
1901
37.2 C (99.0 F)
1902
22.2 C (72.0 F)
1903
31.1 C (88.0 F)
1904
32.8 C (91.0 F)
1905
31.7 C (89.1 F)
1906
32.2 C (90.0 F)
1907
30.0 C (86.0 F)
1908
33.3 C (91.9 F)
1909
32.8 C (91.0 F)
1910
33.3 C (91.9 F)
1911
37.8 C (100.0 F)
1912
31.7 C (89.1 F)
1913
32.8 C (91.0 F)
1914
33.9 C (93.0 F)
1915
9.4 C (48.9 F)
Coldest night (TNn)
The coldest night of the year at Arkona, 1882 to 1915. The record is -33.9 C (-29.0 F) in 1885, marked on the chart; the median year is -26.1 C (-15.0 F).
Coldest night (TNn) at Arkona by year
Year
Coldest night (TNn)
1882
-21.7 C (-7.1 F)
1883
-27.2 C (-17.0 F)
1884
-30.0 C (-22.0 F)
1885
-33.9 C (-29.0 F)
1886
-30.6 C (-23.1 F)
1887
-28.9 C (-20.0 F)
1888
-30.6 C (-23.1 F)
1889
-31.1 C (-24.0 F)
1890
-22.8 C (-9.0 F)
1891
-18.9 C (-2.0 F)
1892
-29.4 C (-20.9 F)
1893
-30.0 C (-22.0 F)
1894
-21.1 C (-6.0 F)
1895
-31.1 C (-24.0 F)
1896
-26.1 C (-15.0 F)
1897
-25.0 C (-13.0 F)
1898
-23.9 C (-11.0 F)
1899
-31.1 C (-24.0 F)
1900
-28.3 C (-18.9 F)
1901
-25.6 C (-14.1 F)
1902
-22.2 C (-8.0 F)
1903
-22.8 C (-9.0 F)
1904
-26.7 C (-16.1 F)
1905
-27.2 C (-17.0 F)
1906
-24.4 C (-11.9 F)
1907
-25.0 C (-13.0 F)
1908
-26.1 C (-15.0 F)
1909
-24.4 C (-11.9 F)
1910
-26.1 C (-15.0 F)
1911
-17.8 C (0.0 F)
1912
-31.1 C (-24.0 F)
1913
-23.3 C (-9.9 F)
1914
-25.6 C (-14.1 F)
1915
-30.0 C (-22.0 F)
Wettest day (Rx1day)
The wettest day of the year at Arkona, 1882 to 1915. The record is 93.0 mm (3.7 in) in 1904, marked on the chart; the median year is 41.8 mm (1.6 in).
Wettest day (Rx1day) at Arkona by year
Year
Wettest day (Rx1day)
1882
58.7 mm (2.3 in)
1883
33.0 mm (1.3 in)
1884
27.4 mm (1.1 in)
1885
53.3 mm (2.1 in)
1886
38.4 mm (1.5 in)
1887
41.9 mm (1.6 in)
1888
36.3 mm (1.4 in)
1889
91.4 mm (3.6 in)
1890
41.9 mm (1.6 in)
1891
36.8 mm (1.4 in)
1892
85.3 mm (3.4 in)
1893
36.8 mm (1.4 in)
1894
50.3 mm (2.0 in)
1895
27.4 mm (1.1 in)
1896
47.2 mm (1.9 in)
1897
56.4 mm (2.2 in)
1898
39.6 mm (1.6 in)
1899
35.6 mm (1.4 in)
1900
36.1 mm (1.4 in)
1901
41.4 mm (1.6 in)
1902
27.9 mm (1.1 in)
1903
35.1 mm (1.4 in)
1904
93.0 mm (3.7 in)
1905
59.2 mm (2.3 in)
1906
49.3 mm (1.9 in)
1907
56.4 mm (2.2 in)
1908
41.1 mm (1.6 in)
1909
44.5 mm (1.8 in)
1910
84.6 mm (3.3 in)
1911
33.0 mm (1.3 in)
1912
41.7 mm (1.6 in)
1913
54.6 mm (2.1 in)
1914
57.2 mm (2.3 in)
1915
24.6 mm (1.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Arkona, 1882 to 1915. The record is 131.1 mm (5.2 in) in 1889, marked on the chart; the median year is 69.9 mm (2.8 in).
Wettest five days (Rx5day) at Arkona by year
Year
Wettest five days (Rx5day)
1882
88.2 mm (3.5 in)
1883
70.9 mm (2.8 in)
1884
48.2 mm (1.9 in)
1885
72.1 mm (2.8 in)
1886
52.6 mm (2.1 in)
1887
84.2 mm (3.3 in)
1888
54.7 mm (2.2 in)
1889
131.1 mm (5.2 in)
1890
61.2 mm (2.4 in)
1891
85.9 mm (3.4 in)
1892
105.2 mm (4.1 in)
1893
53.8 mm (2.1 in)
1894
98.8 mm (3.9 in)
1895
53.4 mm (2.1 in)
1896
82.8 mm (3.3 in)
1897
75.7 mm (3.0 in)
1898
109.9 mm (4.3 in)
1899
51.4 mm (2.0 in)
1900
56.2 mm (2.2 in)
1901
55.9 mm (2.2 in)
1902
52.3 mm (2.1 in)
1903
65.8 mm (2.6 in)
1904
108.2 mm (4.3 in)
1905
96.3 mm (3.8 in)
1906
65.5 mm (2.6 in)
1907
74.9 mm (2.9 in)
1908
62.7 mm (2.5 in)
1909
68.9 mm (2.7 in)
1910
95.0 mm (3.7 in)
1911
60.4 mm (2.4 in)
1912
59.2 mm (2.3 in)
1913
109.5 mm (4.3 in)
1914
104.7 mm (4.1 in)
1915
29.6 mm (1.2 in)
Longest dry spell (CDD)
The longest dry spell of the year at Arkona, 1882 to 1915. The record is 41 days in 1908, marked on the chart; the median year is 17 days.
Longest dry spell (CDD) at Arkona by year
Year
Longest dry spell (CDD)
1882
18 days
1883
11 days
1884
18 days
1885
10 days
1886
17 days
1887
17 days
1888
15 days
1889
26 days
1890
14 days
1891
26 days
1892
13 days
1893
7 days
1894
33 days
1895
17 days
1896
13 days
1897
20 days
1898
25 days
1899
20 days
1900
17 days
1901
22 days
1902
8 days
1903
13 days
1904
18 days
1905
18 days
1906
24 days
1907
14 days
1908
41 days
1909
12 days
1910
17 days
1911
17 days
1912
14 days
1913
15 days
1914
15 days
1915
15 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
28 years with a frost
Across 28 years with a frost, the median last spring frost at Arkona falls on 15 May and the median first autumn frost on 8 October, which leaves a median of 149 days between them.
Fitted over all years, the growing season changes by +9.6 days per decade at this station.
Frost dates and growing season at Arkona
Measure
Median, all years
Earliest period
Recent period (1883 to 1914)
Recent against earliest
Fitted trend
Last spring frost
15 May
n/a
15 May
n/a
-3.5 days per decade
First autumn frost
8 October
n/a
8 October
n/a
+6.1 days per decade
Growing days
149 days
n/a
149 days
n/a
+9.6 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.
Rainfall Return Levels
30 years, 1883 to 1914
A day with at least 44.1 mm (1.7 in) of rain is expected about once in 2 years. A day with at least 123.5 mm (4.9 in) of rain is expected about once in 100 years.
Rainfall return levels at Arkona: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
44.1 mm (1.7 in)
5 years
59.1 mm (2.3 in)
10 years
71.1 mm (2.8 in)
25 years
89.3 mm (3.5 in)
50 years
105.2 mm (4.1 in)
Longer than the 30 years of record
100 years
123.5 mm (4.9 in)
Longer than the 30 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 30 years of values from 1883 to 1914.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 93.0 mm (3.7 in) in 1904; 91.4 mm (3.6 in) in 1889; 85.3 mm (3.4 in) in 1892.
Download the Data
Data for Arkona standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Arkona 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.