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 ►Climate Prediction Center  Temperature Outlooks Top of Page

 

 

The table below shows the average, earliest and latest freeze (32 degrees or colder) dates for locations around West and Central Wyoming, the first freeze date in recent years, and the dates for this season when low temperatures fell into the ranges corresponding to the categories in the above legend.

Dates of the First Fall Freeze Around West and Central Wyoming

Location County Elev.
(ft)
Early    
Average Late 
2013 33F-36F 2013 29F-32F 2013 <=28F 2012 2011 2010 2009
Clark 3NE
(1961-2013)
Park 4090 AUG 25 SEP 16 OCT 15 SEP 20  OCT 4
 OCT 5
SEP 12 SEP 21 SEP 7 SEP 22
Cody Airport
(1961-2013)
Park 5102 AUG 21 SEP 27
NOV 1 SEP 27
 OCT 3
 OCT 4
OCT 4 OCT 9
OCT 12
OCT 2
(1916-2013)
Big Horn 4105 AUG 26 SEP 18 OCT 17 SEP 27
 OCT 1
 OCT 8
SEP 13 SEP 21 SEP 18 SEP 22
(1999-2013)
Big Horn 3940 SEP 12 OCT 1 OCT 18 SEP 27  OCT 4
 OCT 5
OCT 4 OCT 18 OCT 13 SEP 22
Thermopolis
(1899-2013)
Hot Springs 4313 AUG 15 OCT 2 OCT 19 SEP 27 SEP 27  OCT 5
OCT 6 OCT 13 SEP 22 SEP 22
Worland Airport
(1960-2013)
Washakie 4252 SEP 2 OCT 1 OCT 18 SEP 28 SEP 28  OCT 5
OCT 3 SEP 21 OCT 13 SEP 22
Buffalo
(1899-2013)
Johnson 4670 AUG 15 SEP 18 OCT 17 SEP 20
SEP 27  OCT 5
OCT 4 SEP 21 OCT 17 SEP 28
Buffalo Airport
(1999-2013)
Johnson 4970 SEP 17 OCT 2
OCT 19 SEP 26
SEP 27   OCT 5
OCT 3
OCT 19
OCT 12
SEP 28
Kaycee
(1949-2013)
Johnson 4975 AUG 20 SEP 14 OCT 11 SEP 25 SEP 27  OCT 5
OCT 4 SEP 21 SEP 8
SEP 21
Moose
(1958-2013)
Teton 6470 AUG 1
AUG 24 SEP 23 AUG 3 SEP 1  SEP 20 AUG 25 AUG 13 AUG 13 AUG 24
Dubois
(1907-2013)
Fremont 6955 AUG 1 AUG 31 SEP 21 SEP 19 SEP 19  SEP 20
SEP 12 SEP 2 AUG 24 AUG 17
Riverton
(1899-2013)
Fremont 4955 AUG 7 SEP 17 OCT 11 SEP 20
SEP 27
 OCT 5
SEP 13 SEP 21 SEP 7 SEP 22
Lander (town)
(1999-2013)
Fremont 5320 AUG 31 SEP 11 SEP 24 SEP 19 SEP 20  SEP 28
SEP 13 SEP 21 SEP 7 SEP 22
Lander Apt.
(1891-2013)
Fremont 5587 SEP 3 SEP 26 OCT 25 SEP 26 SEP 26  SEP 28
OCT 4 OCT 6 OCT 25 SEP 30
Jeffrey City
(1964-2013)
Fremont 6320 AUG 19 SEP 13 OCT 5 SEP 20
SEP 20
 OCT 4
SEP 12 SEP 20 SEP 3 SEP 22
Casper Airport
(1939-2013)
Natrona 5350 SEP 1 SEP 20 OCT 28 SEP 19 SEP 20  SEP 20 SEP 14 SEP 21 SEP 3 SEP 13
Bedford 3 SE
(1975-2013)
Lincoln 6425 AUG 4
AUG 27 OCT 2 SEP 19 SEP 19  SEP 19
SEP 5 SEP 2 AUG 23 AUG 16
Sublette 7195 AUG 1 AUG 21 SEP 19 AUG 3 SEP 19  SEP 19 AUG 25 AUG 12 AUG 24 AUG 16
Big Piney Airport
(1976-2013)
Sublette 6994 AUG 3 AUG 10 SEP 19 AUG 14 SEP 19  SEP 19 AUG 25 AUG 13 AUG 13 AUG 9
Fossil Butte
(1990-2013)
Lincoln 6780 AUG 1 AUG 22 SEP 19 AUG 15 SEP 19  SEP 19 AUG 25 SEP 2 AUG 13 AUG 9
Green River
(1905-2013)
Sweetwater 6077 AUG 4 SEP 9 OCT 14 SEP 19 SEP 26  OCT 5
OCT 4 OCT 14 SEP 7 SEP 22
Rock Springs Apt.
(1948-2013)
Sweetwater 6765 SEP 1 SEP 23 OCT 24
SEP 19 SEP 26  OCT 4
OCT 4 OCT 6 OCT 13 SEP 22

Final Update on October 10, 2013 | New Latest Freeze Record

Top of Page

Average and Recent Lengths of Growing Seasons Around West and Central Wyoming

   
Location County Elev. (ft) Longest Growing Season
Average Growing Season (Days)
Shortest Growing Season 2013 2012 2011 2010 2009

Clark 3NE
(1961-2013)

Park 4090
145 (1963,2005)
118
71 (1976)
 150
108
138
106
128
Deaver
(1916-2013)
Big Horn 4105
160 (1938)
121
86 (1992)
 148
127
138
141
126
Thermopolis
(1899-2013)
Hot Springs 4313
181 (2007)
125
65 (1938)
 146
150
135
154
131
Worland
(1960-2013)
Washakie 4252
176 (1989)
141
102 (1974 )
 146
147
138
152
130
Buffalo
(1899-2013)
Johnson 4670
156 (1998)
124
57 (1904)
 143
93
128
154
111
Kaycee
(1949-2013)
Johnson 4975
145 (1963)
114
78 (1964)
 142
143
126
M
M
Moose
(1958-2013)
Teton 6470
104 (1961)
50
0 (1995)
69
58
46
39
30
Dubois
(1907-2013)
Fremont 6955
108 (1931)
58
0 (1995)
87
82
66
63
54
Riverton
(1907-2013)
Fremont 4955
159 (1998)
116
67 (1989)
146
127
113
104
136
Lander (town)
(1999-2013)
Fremont 5320
135 (2013)
102
81 (2000, 2005)
135
107
M
M
M
Lander Apt.
(1891-2013)
Fremont 5587
170 (1987)
121
57 (1904)
 145
150
128
163
139
Jeffrey City
(1964-2013)
Fremont 6320
127 (2009)
99
53 (1985, 1993)
107
105
M
95
127
Casper Apt.
(1939-2013)
Natrona 5350
165 (1963)
121
78 (1972)
107
107
108
95
119
Bedford 3 SE
(1975-2013)
Lincoln 6425
109 (1990)
61
8 (1995)
86
69
76
66
85
Boulder Rearing Station
(1989-2013)
Sublette 6940
86 (2013)
56
26 (2009)
86
64
45
28
34
Big Piney
(1976-2013)
Sublette 6994
87 (2013)
45
2 (1987)
87
64
46
28
60
Fossil Butte
(1990-2013)
Lincoln 6780
89 (2013)
51
0 (1995)
89
64
72
24
27
Green River
(1905-2013)
Sweetwater 6077
149 (1963)
97
45 (1968)
 144
127
135
M
M
Rock Springs Apt.
(1948-2013)
Sweetwater 6765
155 (1963)
115
73 (1973)

 145

128
124
135
131
* Lander (town) - missing data during the period. Top of Page


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