Frost Dates for BOR, Russia
Elevation: 66 m
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 27
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.
September 24
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 31
First Fall Frost
September 18
Hard Freeze (−2°C)
Last Spring Hard Freeze
May 18
First Fall Hard Freeze
October 4
Growing Season
120 Days
May 27 to September 24
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 2a
Avg. annual minimum: −46 to −43°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc
Subarctic
Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.
Temperature
-30°
-15°
0°
15°
Avg High
Avg Temp
Avg Low
Light Frost (0°C)
Hard Frost (−2°C)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | -20° | -22° | -25° |
| February | -16° | -19° | -22° |
| March | -7° | -10° | -14° |
| April | 1° | -3° | -7° |
| May | 8° | 4° | 0° |
| June | 19° | 14° | 9° |
| July | 22° | 18° | 13° |
| August | 18° | 15° | 10° |
| September | 10° | 7° | 4° |
| October | 1° | -1° | -4° |
| November | -12° | -14° | -17° |
| December | -18° | -20° | -23° |
Precipitation
0 mm
30 mm
60 mm
90 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 5 |
| February | 5 |
| March | 18 |
| April | 51 |
| May | 69 |
| June | 74 |
| July | 79 |
| August | 84 |
| September | 76 |
| October | 76 |
| November | 48 |
| December | 41 |
Sunrise / Sunset
Daylight
Longest: 19h 07m · Shortest: 4h 53m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 9:04 AM | 2:56 PM | 5h 52m |
| February | 7:44 AM | 4:16 PM | 8h 33m |
| March | 6:21 AM | 5:39 PM | 11h 18m |
| April | 4:49 AM | 7:11 PM | 14h 23m |
| May | 3:24 AM | 8:36 PM | 17h 12m |
| June | 2:29 AM | 9:31 PM | 19h 03m |
| July | 2:53 AM | 9:07 PM | 18h 15m |
| August | 4:12 AM | 7:48 PM | 15h 36m |
| September | 5:44 AM | 6:16 PM | 12h 33m |
| October | 7:13 AM | 4:47 PM | 9h 34m |
| November | 8:40 AM | 3:20 PM | 6h 40m |
| December | 9:32 AM | 2:28 PM | 4h 57m |
Nearby Stations
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