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City Data Info
Please note, Degree Days and Palmer Indices are not available for Cities.

San Antonio, Texas

Average Temperature Rankings, December 2009

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2009
1-Month
48.3°F
(9.1°C)
52.7°F
(11.5°C)
-4.4°F
(-2.4°C)
13th Coolest
Coolest since:
1989
115th Warmest
Warmest since:
2021
Nov–Dec 2009
2-Month
54.5°F
(12.5°C)
56.9°F
(13.8°C)
-2.4°F
(-1.3°C)
28th Coolest
Coolest since:
1972
100th Warmest
Warmest since:
2021
Ties: 1919, 1935, 1986
Oct–Dec 2009
3-Month
59.5°F
(15.3°C)
61.5°F
(16.4°C)
-2.0°F
(-1.1°C)
33rd Coolest
Coolest since:
1976
95th Warmest
Warmest since:
2021
Ties: 1905, 1918, 1937, 1997
Sep–Dec 2009
4-Month
64.2°F
(17.9°C)
66.0°F
(18.9°C)
-1.8°F
(-1.0°C)
33rd Coolest
Coolest since:
1976
95th Warmest
Warmest since:
2021
Ties: 1966
Aug–Dec 2009
5-Month
69.0°F
(20.6°C)
69.9°F
(21.1°C)
-0.9°F
(-0.5°C)
61st Coolest
Coolest since:
1976
67th Warmest
Warmest since:
2015
Ties: 1915, 1945, 1990, 1991
Jul–Dec 2009
6-Month
72.2°F
(22.3°C)
72.2°F
(22.3°C)
0.0°F
(0.0°C)
94th Coolest
Coolest since:
1976
34th Warmest
Warmest since:
2015
Ties: 1951, 1971, 1982
Jun–Dec 2009
7-Month
74.2°F
(23.4°C)
73.7°F
(23.2°C)
0.5°F
(0.2°C)
105th Coolest
Coolest since:
1976
23rd Warmest
Warmest since:
2011, 2015
Ties: 1999
May–Dec 2009
8-Month
74.8°F
(23.8°C)
74.0°F
(23.3°C)
0.8°F
(0.5°C)
111th Coolest
Coolest since:
1976
17th Warmest
Warmest since:
2011
Ties: 2010
Apr–Dec 2009
9-Month
74.2°F
(23.4°C)
73.4°F
(23.0°C)
0.8°F
(0.4°C)
112th Coolest
Coolest since:
1976
16th Warmest
Warmest since:
2011
Ties: 1999
Mar–Dec 2009
10-Month
73.3°F
(22.9°C)
72.3°F
(22.4°C)
1.0°F
(0.5°C)
115th Coolest
Coolest since:
1903
13th Warmest
Warmest since:
2011
Ties: 2019
Feb–Dec 2009
11-Month
72.3°F
(22.4°C)
70.7°F
(21.5°C)
1.6°F
(0.9°C)
119th Coolest
Coolest since:
1903
9th Warmest
Warmest since:
2011
Jan–Dec 2009
12-Month
70.8°F
(21.6°C)
69.1°F
(20.6°C)
1.7°F
(1.0°C)
120th Coolest
Coolest since:
1903
8th Warmest
Warmest since:
2006
Jul 2008–Dec 2009
18-Month
71.5°F
(21.9°C)
70.2°F
(21.2°C)
1.3°F
(0.7°C)
117th Coolest
Coolest since:
1903
10th Warmest
Warmest since:
2017
Jan 2008–Dec 2009
24-Month
70.9°F
(21.6°C)
69.2°F
(20.7°C)
1.7°F
(0.9°C)
121st Coolest
Coolest since:
1904, 1913, 1914
6th Warmest
Warmest since:
2012
Ties: 2018
Jan 2007–Dec 2009
36-Month
70.1°F
(21.2°C)
69.1°F
(20.6°C)
1.0°F
(0.6°C)
110th Coolest
Coolest since:
1914
16th Warmest
Warmest since:
2013
Ties: 2001, 2015
Jan 2006–Dec 2009
48-Month
70.6°F
(21.4°C)
69.0°F
(20.6°C)
1.6°F
(0.8°C)
118th Coolest
Coolest since:
1906, 1915
7th Warmest
Warmest to Date
2020
Ties: 2011, 2013, 2021
Jan 2005–Dec 2009
60-Month
70.6°F
(21.4°C)
69.1°F
(20.6°C)
1.5°F
(0.8°C)
117th Coolest
Coolest since:
1906, 1916
7th Warmest
Warmest to Date
2020
Ties: 2013, 2016, 2017

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