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"Preserving the future,
one seed at a time." ™
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Average Last and First Frost Dates
for Utah
Based on statistics, there is a 10% chance that a frost will occur outside
of the dates listed and there is a 90% probability that the "Freeze Free"
days are accurate. This information is based on historical data and is
intended for planning purposes only.
Informational Resources for Gardeners in Utah
|
City |
Spring |
Fall |
Freeze Free
Days |
| Black Rock |
6/20 |
9/8 |
91 |
| Cedar City |
7/2 |
9/24 |
42 |
| Logan (Utah State
Univ.) |
5/20 |
9/26 |
38 |
| Mexican Hat |
5/6 |
10/7 |
159 |
| Nephi |
6/2 |
9/17 |
115 |
| Ogden |
5/20 |
10/4 |
144 |
| Pleasant Grove / Provo |
5/25 |
9/27 |
132 |
| Salt Lake City |
5/8 |
10/11 |
163 |
| St. George |
4/11 |
10/22 |
200 |
| Vernal |
6/14 |
9/12 |
100 |
| Wendover |
5/3 |
10/9 |
166 |
Sources:
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"Climatography
of the U.S. No. 20, Supplement No. 1", 1988, National Climatic Data Center,
National Oceanic and Atmospheric Administration, U.S. Department of
Commerce.
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"DATA
SET 9712C (DSI-9712C) - Probability Levels for 1971-2000 Freeze Dates and
Growing Season Lengths", 26 Feb 2005, National Climatic Data Center,
Asheville, NC
Click Here for more detailed information and additional weather station
choices.
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