Climate at a Glance

City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of January 2020. For more information, please see Climatological Rankings.


Boise, Idaho

Average Temperature Rankings, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1999
1-Month
32.1°F
(0.1°C)
30.3°F
(-0.9°C)
1.8°F
(1.0°C)
40th Coolest Coolest since: 1998 1985
36th Warmest Warmest since: 1991 1973
Ties: 1949
Nov–Dec 1999
2-Month
39.6°F
(4.2°C)
35.3°F
(1.8°C)
4.3°F
(2.4°C)
70th Coolest Coolest since: 1998 1985
6th Warmest Warmest since: 1981 1981
Oct–Dec 1999
3-Month
44.6°F
(7.0°C)
41.2°F
(5.1°C)
3.4°F
(1.9°C)
73rd Coolest Coolest since: 1998 1985
3rd Warmest Warmest since: 1977 1950
Ties: 1977
Sep–Dec 1999
4-Month
49.5°F
(9.7°C)
47.1°F
(8.4°C)
2.4°F
(1.3°C)
67th Coolest Coolest since: 1998 1985
9th Warmest Warmest since: 1987 1963
Ties: 1958
Aug–Dec 1999
5-Month
54.7°F
(12.6°C)
52.7°F
(11.5°C)
2.0°F
(1.1°C)
68th Coolest Coolest since: 1998 1985
8th Warmest Warmest since: 1998 2012
Ties: 1998
Jul–Dec 1999
6-Month
57.9°F
(14.4°C)
56.6°F
(13.7°C)
1.3°F
(0.7°C)
62nd Coolest Coolest since: 1997 1985
14th Warmest Warmest since: 1998 2012
Ties: 1953
Jun–Dec 1999
7-Month
59.1°F
(15.1°C)
58.2°F
(14.6°C)
0.9°F
(0.5°C)
55th Coolest Coolest since: 1997 1985
21st Warmest Warmest since: 1998 2012
May–Dec 1999
8-Month
58.7°F
(14.8°C)
58.3°F
(14.6°C)
0.4°F
(0.2°C)
44th Coolest Coolest since: 1991 1985
31st Warmest Warmest since: 1998 2015
Apr–Dec 1999
9-Month
57.5°F
(14.2°C)
57.5°F
(14.2°C)
0.0°F
(0.0°C)
40th Coolest Coolest since: 1991 1985
35th Warmest Warmest since: 1998 2012
Ties: 1943, 1961, 2008
Mar–Dec 1999
10-Month
56.2°F
(13.4°C)
56.3°F
(13.5°C)
-0.1°F
(-0.1°C)
43rd Coolest Coolest since: 1991 1985
32nd Warmest Warmest since: 1998 2015
Ties: 1947, 1962, 1981, 2002
Feb–Dec 1999
11-Month
54.4°F
(12.4°C)
54.4°F
(12.4°C)
0.0°F
(0.0°C)
38th Coolest Coolest since: 1989 1985
35th Warmest Warmest since: 1998 2015
Ties: 1967
Jan–Dec 1999
12-Month
52.9°F
(11.6°C)
52.5°F
(11.4°C)
0.4°F
(0.2°C)
53rd Coolest Coolest since: 1991 1985
20th Warmest Warmest since: 1998 2015
Ties: 1941, 1967, 1981, 1990, 2004, 2017, 2019
Jul 1998–Dec 1999
18-Month
54.9°F
(12.7°C)
53.9°F
(12.2°C)
1.0°F
(0.5°C)
62nd Coolest Coolest since: 1991 1985
11th Warmest Warmest since: 1998 2015
Ties: 1963
Jan 1998–Dec 1999
24-Month
53.4°F
(11.9°C)
52.4°F
(11.3°C)
1.0°F
(0.6°C)
58th Coolest Coolest since: 1991 1985
12th Warmest Warmest since: 1992 2016
Ties: 2012
Jan 1997–Dec 1999
36-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1985
-- -- 2016
Ties: 1968, 1969, 1970, 1971, 1993, 1994, 1995, 1996, 1997, 1998
Jan 1996–Dec 1999
48-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1985
-- -- 2017, 2018
Ties: 1968, 1969, 1970, 1971, 1972, 1993, 1994, 1995, 1996, 1997, 1998, 2000
Jan 1995–Dec 1999
60-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1985, 1986
-- -- 2018
Ties: 1968, 1969, 1970, 1971, 1972, 1973, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published February 2020, retrieved on February 22, 2020 from https://www.ncdc.noaa.gov/cag/