Frost Dates for COIMBRA, Portugal
Elevation: 37 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.
February 7
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.
December 15
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
February 18
First Fall Frost
December 8
Hard Freeze (−2°C)
Last Spring Hard Freeze
January 30
First Fall Hard Freeze
December 20
Growing Season
312 Days
February 7 to December 15
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.
Csa
Hot-Summer Mediterranean
Hot, dry summers and mild, wet winters. Classic Mediterranean climate ideal for grapes, olives, tomatoes, and herbs. Summer irrigation is usually necessary.
Temperature
5°
15°
25°
Avg High
Avg Temp
Avg Low
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 14° | 9° | 5° |
| February | 15° | 10° | 5° |
| March | 18° | 12° | 7° |
| April | 19° | 14° | 9° |
| May | 22° | 17° | 12° |
| June | 26° | 20° | 14° |
| July | 28° | 22° | 16° |
| August | 29° | 22° | 16° |
| September | 26° | 20° | 15° |
| October | 22° | 17° | 12° |
| November | 17° | 12° | 9° |
| December | 14° | 10° | 6° |
Precipitation
0 mm
50 mm
100 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 109 |
| February | 84 |
| March | 91 |
| April | 91 |
| May | 79 |
| June | 20 |
| July | 3 |
| August | 3 |
| September | 48 |
| October | 117 |
| November | 119 |
| December | 117 |
Sunrise / Sunset
Daylight
Longest: 14h 52m · Shortest: 9h 08m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:43 PM | 9h 26m |
| February | 6:46 AM | 5:14 PM | 10h 28m |
| March | 6:10 AM | 5:50 PM | 11h 41m |
| April | 5:28 AM | 6:32 PM | 13h 04m |
| May | 4:53 AM | 7:07 PM | 14h 14m |
| June | 4:35 AM | 7:25 PM | 14h 51m |
| July | 4:42 AM | 7:18 PM | 14h 36m |
| August | 5:12 AM | 6:48 PM | 13h 36m |
| September | 5:53 AM | 6:07 PM | 12h 15m |
| October | 6:33 AM | 5:27 PM | 10h 54m |
| November | 7:08 AM | 4:52 PM | 9h 43m |
| December | 7:26 AM | 4:34 PM | 9h 09m |
Nearby Stations
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