Frost Dates for Ashfield, MA
Based on data from E Hawley weather station, 5 miles away
Elevation: 1240 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 17
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 22
First Fall Frost
September 25
Hard Freeze (28°F)
Last Spring Hard Freeze
May 4
First Fall Hard Freeze
October 10
Growing Season
137 Days
May 17 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 | 28° | 19° | 9° |
| February | 31° | 21° | 11° |
| March | 39° | 29° | 19° |
| April | 51° | 41° | 30° |
| May | 63° | 51° | 40° |
| June | 70° | 60° | 50° |
| July | 75° | 64° | 53° |
| August | 74° | 63° | 52° |
| September | 68° | 57° | 46° |
| October | 56° | 45° | 35° |
| November | 45° | 36° | 27° |
| December | 34° | 26° | 18° |
Precipitation
0"
2"
4"
5.6"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 3.8 |
| February | 3.8 |
| March | 4.0 |
| April | 4.5 |
| May | 4.7 |
| June | 5.3 |
| July | 5.4 |
| August | 5.6 |
| September | 5.3 |
| October | 5.0 |
| November | 3.8 |
| December | 4.4 |
Sunrise / Sunset
Daylight
Eastern Time (ET)
Longest: 15h 08m · Shortest: 8h 52m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:25 AM | 4:37 PM | 9h 12m |
| February | 6:56 AM | 5:16 PM | 10h 20m |
| March | 7:11 AM | 6:51 PM | 11h 39m |
| April | 6:17 AM | 7:27 PM | 13h 10m |
| May | 5:35 AM | 8:01 PM | 14h 26m |
| June | 5:18 AM | 8:25 PM | 15h 07m |
| July | 5:32 AM | 8:22 PM | 14h 50m |
| August | 6:04 AM | 7:48 PM | 13h 44m |
| September | 6:38 AM | 6:54 PM | 12h 16m |
| October | 7:12 AM | 6:01 PM | 10h 48m |
| November | 6:51 AM | 4:22 PM | 9h 31m |
| December | 7:21 AM | 4:14 PM | 8h 53m |
Nearby Stations
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