Frost Dates for Bridgetown Comparison, WA
Elevation: 150 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.
August 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.
June 5
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
August 29
First Fall Frost
May 28
Growing Season
292 Days
August 17 to June 5
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 9b
Avg. annual minimum: −4 to −1°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Csb
Warm-Summer Mediterranean
Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.
Temperature
0°
10°
20°
30°
Avg High
Avg Temp
Avg Low
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 30° | 22° | 13° |
| February | 30° | 22° | 14° |
| March | 28° | 20° | 12° |
| April | 24° | 17° | 9° |
| May | 20° | 14° | 7° |
| June | 17° | 11° | 5° |
| July | 16° | 11° | 5° |
| August | 17° | 11° | 5° |
| September | 18° | 12° | 6° |
| October | 21° | 14° | 8° |
| November | 25° | 17° | 10° |
| December | 28° | 20° | 12° |
Precipitation
0 mm
50 mm
100 mm
150 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 8 |
| February | 10 |
| March | 15 |
| April | 46 |
| May | 99 |
| June | 119 |
| July | 140 |
| August | 107 |
| September | 91 |
| October | 36 |
| November | 28 |
| December | 15 |
Sunrise / Sunset
Daylight
Longest: 14h 16m · Shortest: 9h 44m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 4:59 AM | 7:01 PM | 14h 02m |
| February | 5:23 AM | 6:37 PM | 13h 13m |
| March | 5:52 AM | 6:08 PM | 12h 15m |
| April | 6:26 AM | 5:34 PM | 11h 09m |
| May | 6:53 AM | 5:07 PM | 10h 14m |
| June | 7:07 AM | 4:53 PM | 9h 45m |
| July | 7:02 AM | 4:58 PM | 9h 57m |
| August | 6:38 AM | 5:22 PM | 10h 44m |
| September | 6:06 AM | 5:54 PM | 11h 48m |
| October | 5:34 AM | 6:26 PM | 12h 52m |
| November | 5:06 AM | 6:54 PM | 13h 48m |
| December | 4:52 AM | 7:08 PM | 14h 15m |
Nearby Stations
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