Frost Dates for Denmark, ME
Based on data from East Hiram weather station, 7 miles away
Elevation: 528 ft
Frost Dates
Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
May 12
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
October 1
30% Probability
Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost
May 17
First Fall Frost
September 26
Hard Freeze (28°F)
Last Spring Hard Freeze
April 29
First Fall Hard Freeze
October 11
Growing Season
142 Days
May 12 to October 1
USDA Hardiness Zone
Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.Zone 5a
Avg. annual minimum: −20 to −15°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfb
Warm-Summer Continental
Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.
Temperature
0°
20°
40°
60°
80°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 29° | 18° | 6° |
| February | 32° | 20° | 7° |
| March | 40° | 29° | 18° |
| April | 54° | 42° | 30° |
| May | 66° | 54° | 41° |
| June | 74° | 62° | 51° |
| July | 79° | 67° | 56° |
| August | 78° | 66° | 54° |
| September | 70° | 58° | 46° |
| October | 57° | 46° | 35° |
| November | 45° | 36° | 26° |
| December | 34° | 25° | 15° |
Precipitation
0"
2"
4"
6"
7.4"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 6.6 |
| February | 6.5 |
| March | 7.4 |
| April | 6.0 |
| May | 5.3 |
| June | 4.3 |
| July | 4.9 |
| August | 4.7 |
| September | 4.5 |
| October | 4.9 |
| November | 5.6 |
| December | 6.0 |
Sunrise / Sunset
Daylight
Eastern Time (ET)
Longest: 15h 17m · Shortest: 8h 43m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 4:24 PM | 9h 04m |
| February | 6:50 AM | 5:05 PM | 10h 15m |
| March | 7:04 AM | 6:42 PM | 11h 38m |
| April | 6:07 AM | 7:20 PM | 13h 13m |
| May | 5:23 AM | 7:56 PM | 14h 33m |
| June | 5:05 AM | 8:21 PM | 15h 16m |
| July | 5:19 AM | 8:18 PM | 14h 58m |
| August | 5:53 AM | 7:42 PM | 13h 49m |
| September | 6:29 AM | 6:46 PM | 12h 17m |
| October | 7:06 AM | 5:51 PM | 10h 45m |
| November | 6:46 AM | 4:10 PM | 9h 24m |
| December | 7:17 AM | 4:01 PM | 8h 44m |
Nearby Stations
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