Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Formosa. 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 Formosa, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
43.0 C (109.4 F)
11.0 C (51.8 F)
n/a
n/a
Feb
42.8 C (109.0 F)
9.4 C (48.9 F)
n/a
n/a
Mar
42.0 C (107.6 F)
7.7 C (45.9 F)
n/a
n/a
Apr
40.0 C (104.0 F)
3.8 C (38.8 F)
n/a
n/a
May
37.0 C (98.6 F)
-0.1 C (31.8 F)
n/a
n/a
Jun
34.0 C (93.2 F)
-0.6 C (30.9 F)
n/a
n/a
Jul
34.0 C (93.2 F)
-2.5 C (27.5 F)
n/a
n/a
Aug
38.8 C (101.8 F)
-0.8 C (30.6 F)
n/a
n/a
Sep
41.5 C (106.7 F)
0.0 C (32.0 F)
n/a
n/a
Oct
43.7 C (110.7 F)
5.0 C (41.0 F)
n/a
n/a
Nov
41.4 C (106.5 F)
8.0 C (46.4 F)
n/a
n/a
Dec
42.5 C (108.5 F)
11.0 C (51.8 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Formosa still stand. 2022 holds the most, with 61.
Standing records at Formosa by the year they were set
Year set
Standing records
1973
14
1974
18
1975
16
1976
21
1977
21
1978
18
1979
25
1980
35
1981
27
1982
14
1983
15
1984
25
1985
1
1986
1
1987
20
1988
32
1989
14
1990
21
1991
22
1992
24
1993
40
1994
29
1995
27
1996
30
1997
31
1998
25
1999
22
2000
17
2001
49
2002
28
2003
35
2004
29
2005
33
2006
38
2007
47
2008
37
2009
31
2010
30
2011
22
2012
57
2014
25
2015
28
2016
39
2017
26
2018
18
2019
36
2020
55
2021
24
2022
61
2023
35
2024
50
2025
26
All-Time Record Progression
5 new records
5 all-time records were set at Formosa between 19 November 2009 and 18 January 2022. Each dot is a new record.
When Formosa set new all-time records
Date
Kind
Detail
2009-11-19
Record high minimum temperature
Record high minimum temperature 30.0 C (86.0 F)
2021-07-29
Record low minimum temperature
Record low minimum temperature -2.5 C (27.5 F)
2022-01-16
Record high minimum temperature
Record high minimum temperature 30.5 C (86.9 F)
2022-01-17
Record high minimum temperature
Record high minimum temperature 31.2 C (88.2 F)
2022-01-18
Record high minimum temperature
Record high minimum temperature 31.7 C (89.1 F)
Wettest Day of Each Month
Dec: 362.5 mm (14.3 in)
The wettest day on record for each calendar month at Formosa. The most was 362.5 mm (14.3 in) on 6 December 2023.
Record daily precipitation for each month at Formosa
Month
Record daily precipitation (mm)
Date
Jan
163.1 mm (6.4 in)
16 January 1997
Feb
258.1 mm (10.2 in)
24 February 1997
Mar
129.0 mm (5.1 in)
27 March 2021
Apr
211.1 mm (8.3 in)
14 April 1998
May
297.9 mm (11.7 in)
22 May 2025
Jun
161.0 mm (6.3 in)
4 June 1995
Jul
225.0 mm (8.9 in)
23 July 2014
Aug
225.0 mm (8.9 in)
31 August 1996
Sep
141.0 mm (5.6 in)
20 September 2014
Oct
160.0 mm (6.3 in)
5 October 1973
Nov
126.0 mm (5.0 in)
20 November 1982
Dec
362.5 mm (14.3 in)
6 December 2023
Period of Record Coverage
1974 to 2025
Complete yearUnder 90 percent of days
51 years of record at Formosa, 1974 to 2025. 51 years have data for under 90 percent of days and are left out of rankings: 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981 and others.
Yearly extremes at Formosa: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
43.7 C (110.7 F)
2014
40.2 C (104.4 F)
51
Coldest night (TNn)
-2.5 C (27.5 F)
2021
0.8 C (33.4 F)
51
Wettest day (Rx1day)
362.5 mm (14.3 in)
2023
96.1 mm (3.8 in)
52
Wettest five days (Rx5day)
552.3 mm (21.7 in)
2023
124.9 mm (4.9 in)
52
Longest dry spell (CDD)
26 days
2003
7 days
52
Hottest day (TXx)
The hottest day of the year at Formosa, 1973 to 2025. The record is 43.7 C (110.7 F) in 2014, marked on the chart; the median year is 40.2 C (104.4 F).
Hottest day (TXx) at Formosa by year
Year
Hottest day (TXx)
1973
n/a
1974
32.0 C (89.6 F)
1975
36.0 C (96.8 F)
1976
38.0 C (100.4 F)
1977
30.0 C (86.0 F)
1978
40.0 C (104.0 F)
1979
41.0 C (105.8 F)
1980
38.0 C (100.4 F)
1981
40.0 C (104.0 F)
1982
40.2 C (104.4 F)
1983
38.6 C (101.5 F)
1984
39.6 C (103.3 F)
1985
33.7 C (92.7 F)
1986
31.4 C (88.5 F)
1987
38.6 C (101.5 F)
1988
40.4 C (104.7 F)
1989
39.3 C (102.7 F)
1990
42.0 C (107.6 F)
1991
40.6 C (105.1 F)
1992
40.1 C (104.2 F)
1993
38.0 C (100.4 F)
1994
39.6 C (103.3 F)
1995
41.4 C (106.5 F)
1996
40.5 C (104.9 F)
1997
39.0 C (102.2 F)
1998
39.8 C (103.6 F)
1999
40.6 C (105.1 F)
2000
40.5 C (104.9 F)
2001
39.2 C (102.6 F)
2002
39.6 C (103.3 F)
2003
38.5 C (101.3 F)
2004
40.2 C (104.4 F)
2005
40.5 C (104.9 F)
2006
41.0 C (105.8 F)
2007
40.4 C (104.7 F)
2008
42.2 C (108.0 F)
2009
41.0 C (105.8 F)
2010
41.3 C (106.3 F)
2011
42.0 C (107.6 F)
2012
40.6 C (105.1 F)
2014
43.7 C (110.7 F)
2015
40.0 C (104.0 F)
2016
38.0 C (100.4 F)
2017
40.5 C (104.9 F)
2018
39.0 C (102.2 F)
2019
41.0 C (105.8 F)
2020
41.5 C (106.7 F)
2021
42.5 C (108.5 F)
2022
43.0 C (109.4 F)
2023
42.0 C (107.6 F)
2024
40.7 C (105.3 F)
2025
41.5 C (106.7 F)
Coldest night (TNn)
The coldest night of the year at Formosa, 1973 to 2025. The record is -2.5 C (27.5 F) in 2021, marked on the chart; the median year is 0.8 C (33.4 F).
Coldest night (TNn) at Formosa by year
Year
Coldest night (TNn)
1973
1.0 C (33.8 F)
1974
2.0 C (35.6 F)
1975
-1.0 C (30.2 F)
1976
-2.0 C (28.4 F)
1977
2.0 C (35.6 F)
1978
0.0 C (32.0 F)
1979
1.0 C (33.8 F)
1980
1.0 C (33.8 F)
1981
0.0 C (32.0 F)
1982
8.0 C (46.4 F)
1983
4.8 C (40.6 F)
1984
0.4 C (32.7 F)
1985
n/a
1986
18.9 C (66.0 F)
1987
0.4 C (32.7 F)
1988
-1.3 C (29.7 F)
1989
1.0 C (33.8 F)
1990
0.8 C (33.4 F)
1991
0.0 C (32.0 F)
1992
1.8 C (35.2 F)
1993
-1.1 C (30.0 F)
1994
-0.8 C (30.6 F)
1995
0.3 C (32.5 F)
1996
0.0 C (32.0 F)
1997
3.6 C (38.5 F)
1998
3.4 C (38.1 F)
1999
0.3 C (32.5 F)
2000
-1.4 C (29.5 F)
2001
1.0 C (33.8 F)
2002
2.0 C (35.6 F)
2003
1.4 C (34.5 F)
2004
1.4 C (34.5 F)
2005
1.4 C (34.5 F)
2006
2.6 C (36.7 F)
2007
-0.8 C (30.6 F)
2008
-0.6 C (30.9 F)
2009
0.2 C (32.4 F)
2010
0.8 C (33.4 F)
2011
0.2 C (32.4 F)
2012
1.0 C (33.8 F)
2014
3.0 C (37.4 F)
2015
3.5 C (38.3 F)
2016
-0.5 C (31.1 F)
2017
-0.1 C (31.8 F)
2018
0.1 C (32.2 F)
2019
2.8 C (37.0 F)
2020
-0.4 C (31.3 F)
2021
-2.5 C (27.5 F)
2022
0.0 C (32.0 F)
2023
2.6 C (36.7 F)
2024
-1.0 C (30.2 F)
2025
1.4 C (34.5 F)
Wettest day (Rx1day)
The wettest day of the year at Formosa, 1973 to 2025. The record is 362.5 mm (14.3 in) in 2023, marked on the chart; the median year is 96.1 mm (3.8 in).
Wettest day (Rx1day) at Formosa by year
Year
Wettest day (Rx1day)
1973
160.0 mm (6.3 in)
1974
119.9 mm (4.7 in)
1975
130.0 mm (5.1 in)
1976
20.1 mm (0.8 in)
1977
70.1 mm (2.8 in)
1978
70.1 mm (2.8 in)
1979
130.0 mm (5.1 in)
1980
70.1 mm (2.8 in)
1981
80.0 mm (3.1 in)
1982
126.0 mm (5.0 in)
1983
77.0 mm (3.0 in)
1984
73.9 mm (2.9 in)
1985
0.0 mm (0.00 in)
1986
6.1 mm (0.24 in)
1987
108.0 mm (4.3 in)
1988
114.0 mm (4.5 in)
1989
77.0 mm (3.0 in)
1990
68.1 mm (2.7 in)
1991
89.9 mm (3.5 in)
1992
124.0 mm (4.9 in)
1993
70.1 mm (2.8 in)
1994
112.0 mm (4.4 in)
1995
161.0 mm (6.3 in)
1996
225.0 mm (8.9 in)
1997
258.1 mm (10.2 in)
1998
211.1 mm (8.3 in)
1999
51.1 mm (2.0 in)
2000
62.0 mm (2.4 in)
2001
68.3 mm (2.7 in)
2002
137.9 mm (5.4 in)
2003
114.0 mm (4.5 in)
2004
93.0 mm (3.7 in)
2005
89.9 mm (3.5 in)
2006
78.0 mm (3.1 in)
2007
134.1 mm (5.3 in)
2008
57.9 mm (2.3 in)
2009
81.0 mm (3.2 in)
2010
73.9 mm (2.9 in)
2011
71.1 mm (2.8 in)
2012
105.9 mm (4.2 in)
2014
225.0 mm (8.9 in)
2015
122.9 mm (4.8 in)
2016
99.1 mm (3.9 in)
2017
86.1 mm (3.4 in)
2018
199.9 mm (7.9 in)
2019
91.9 mm (3.6 in)
2020
66.0 mm (2.6 in)
2021
129.0 mm (5.1 in)
2022
109.0 mm (4.3 in)
2023
362.5 mm (14.3 in)
2024
137.9 mm (5.4 in)
2025
297.9 mm (11.7 in)
Wettest five days (Rx5day)
The wettest five days of the year at Formosa, 1973 to 2025. The record is 552.3 mm (21.7 in) in 2023, marked on the chart; the median year is 124.9 mm (4.9 in).
Wettest five days (Rx5day) at Formosa by year
Year
Wettest five days (Rx5day)
1973
234.2 mm (9.2 in)
1974
141.9 mm (5.6 in)
1975
139.4 mm (5.5 in)
1976
21.1 mm (0.8 in)
1977
78.8 mm (3.1 in)
1978
78.0 mm (3.1 in)
1979
136.1 mm (5.4 in)
1980
118.8 mm (4.7 in)
1981
118.9 mm (4.7 in)
1982
98.0 mm (3.9 in)
1983
118.1 mm (4.6 in)
1984
122.9 mm (4.8 in)
1985
0.0 mm (0.00 in)
1986
0.0 mm (0.00 in)
1987
198.9 mm (7.8 in)
1988
153.2 mm (6.0 in)
1989
84.8 mm (3.3 in)
1990
140.9 mm (5.5 in)
1991
133.1 mm (5.2 in)
1992
145.9 mm (5.7 in)
1993
88.7 mm (3.5 in)
1994
143.5 mm (5.6 in)
1995
187.2 mm (7.4 in)
1996
230.1 mm (9.1 in)
1997
312.5 mm (12.3 in)
1998
291.1 mm (11.5 in)
1999
71.4 mm (2.8 in)
2000
47.7 mm (1.9 in)
2001
16.5 mm (0.6 in)
2002
176.5 mm (6.9 in)
2003
170.1 mm (6.7 in)
2004
115.9 mm (4.6 in)
2005
107.9 mm (4.2 in)
2006
104.2 mm (4.1 in)
2007
100.1 mm (3.9 in)
2008
140.9 mm (5.5 in)
2009
92.9 mm (3.7 in)
2010
116.3 mm (4.6 in)
2011
162.9 mm (6.4 in)
2012
80.3 mm (3.2 in)
2014
125.0 mm (4.9 in)
2015
124.7 mm (4.9 in)
2016
120.1 mm (4.7 in)
2017
136.1 mm (5.4 in)
2018
166.8 mm (6.6 in)
2019
180.8 mm (7.1 in)
2020
117.1 mm (4.6 in)
2021
160.0 mm (6.3 in)
2022
61.2 mm (2.4 in)
2023
552.3 mm (21.7 in)
2024
130.1 mm (5.1 in)
2025
312.9 mm (12.3 in)
Longest dry spell (CDD)
The longest dry spell of the year at Formosa, 1973 to 2025. The record is 26 days in 2003, marked on the chart; the median year is 7 days.
Longest dry spell (CDD) at Formosa by year
Year
Longest dry spell (CDD)
1973
15 days
1974
10 days
1975
5 days
1976
7 days
1977
11 days
1978
25 days
1979
12 days
1980
23 days
1981
17 days
1982
6 days
1983
16 days
1984
10 days
1985
9 days
1986
7 days
1987
7 days
1988
9 days
1989
8 days
1990
21 days
1991
9 days
1992
8 days
1993
14 days
1994
17 days
1995
9 days
1996
14 days
1997
20 days
1998
12 days
1999
11 days
2000
6 days
2001
4 days
2002
7 days
2003
26 days
2004
14 days
2005
13 days
2006
4 days
2007
3 days
2008
3 days
2009
4 days
2010
4 days
2011
4 days
2012
4 days
2014
4 days
2015
7 days
2016
3 days
2017
3 days
2018
5 days
2019
5 days
2020
3 days
2021
4 days
2022
6 days
2023
4 days
2024
5 days
2025
3 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 Formosa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Formosa 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.