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, May 1991

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1991
1-Month
56.2°F
(13.4°C)
59.2°F
(15.1°C)
-3.0°F
(-1.7°C)
17th Coolest Coolest since: 1984 2010
59th Warmest Warmest since: 1990 1958
Apr–May 1991
2-Month
52.9°F
(11.6°C)
55.1°F
(12.8°C)
-2.2°F
(-1.2°C)
15th Coolest Coolest since: 1984 1955
61st Warmest Warmest since: 1990 1992
Ties: 1974
Mar–May 1991
3-Month
50.0°F
(10.0°C)
51.5°F
(10.8°C)
-1.5°F
(-0.8°C)
24th Coolest Coolest since: 1985 1955
52nd Warmest Warmest since: 1990 1992
Ties: 1960
Feb–May 1991
4-Month
48.2°F
(9.0°C)
47.7°F
(8.7°C)
0.5°F
(0.3°C)
49th Coolest Coolest since: 1989 1955
25th Warmest Warmest since: 1990 1992
Ties: 1954
Jan–May 1991
5-Month
43.7°F
(6.5°C)
44.4°F
(6.9°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1989 1955
43rd Warmest Warmest since: 1990 1992
Ties: 1956
Dec 1990–May 1991
6-Month
39.7°F
(4.3°C)
42.1°F
(5.6°C)
-2.4°F
(-1.3°C)
10th Coolest Coolest since: 1989 1985
64th Warmest Warmest since: 1990 1992
Ties: 1952
Nov 1990–May 1991
7-Month
40.0°F
(4.4°C)
41.8°F
(5.4°C)
-1.8°F
(-1.0°C)
15th Coolest Coolest since: 1989 1985
59th Warmest Warmest since: 1990 1992
Oct 1990–May 1991
8-Month
41.6°F
(5.3°C)
43.2°F
(6.2°C)
-1.6°F
(-0.9°C)
13th Coolest Coolest since: 1986 1985
61st Warmest Warmest since: 1990 1992
Ties: 1950
Sep 1990–May 1991
9-Month
44.9°F
(7.2°C)
45.6°F
(7.6°C)
-0.7°F
(-0.4°C)
24th Coolest Coolest since: 1989 1985
50th Warmest Warmest since: 1990 1992
Ties: 1976
Aug 1990–May 1991
10-Month
47.9°F
(8.8°C)
48.5°F
(9.2°C)
-0.6°F
(-0.4°C)
24th Coolest Coolest since: 1989 1985
50th Warmest Warmest since: 1990 1992
Jul 1990–May 1991
11-Month
50.6°F
(10.3°C)
51.0°F
(10.6°C)
-0.4°F
(-0.3°C)
28th Coolest Coolest since: 1989 1985
46th Warmest Warmest since: 1990 1992
Ties: 1945
Jun 1990–May 1991
12-Month
52.1°F
(11.2°C)
52.5°F
(11.4°C)
-0.4°F
(-0.2°C)
30th Coolest Coolest since: 1989 1985
44th Warmest Warmest since: 1990 2016
Ties: 1946, 1947, 1956, 1981
Dec 1989–May 1991
18-Month
49.2°F
(9.6°C)
49.0°F
(9.4°C)
0.2°F
(0.2°C)
47th Coolest Coolest since: 1990 1985
24th Warmest Warmest since: 1988 2016
Ties: 1971, 2001
Jun 1989–May 1991
24-Month
52.6°F
(11.4°C)
52.4°F
(11.3°C)
0.2°F
(0.1°C)
47th Coolest Coolest since: 1990 1985
24th Warmest Warmest since: 1988 2016
Jun 1988–May 1991
36-Month
52.4°F
(11.3°C)
52.4°F
(11.3°C)
0.0°F
(0.0°C)
42nd Coolest Coolest since: 1988 1986
26th Warmest Warmest since: 1990 2016
Ties: 2010
Jun 1987–May 1991
48-Month
52.6°F
(11.4°C)
52.4°F
(11.3°C)
0.2°F
(0.1°C)
44th Coolest Coolest since: 1989 1986
21st Warmest Warmest since: 1990 2018
Ties: 1961, 2012
Jun 1986–May 1991
60-Month
52.7°F
(11.5°C)
52.3°F
(11.3°C)
0.4°F
(0.2°C)
46th Coolest Coolest since: 1990 1986
16th Warmest Warmest to Date 2016, 2018, 2019
Ties: 1993, 2010, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published February 2020, retrieved on February 24, 2020 from https://www.ncdc.noaa.gov/cag/