Frost Dates for COIMBRA, Portugal

Elevation: 37 m

Frost Dates

Last Spring Frost (50%) iA 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%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 15
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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
40.20°N, -8.42°W © OpenStreetMap

Growing Season

312 Days February 7 to December 15

USDA Hardiness Zone iHardiness 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

Learn more

Köppen Climate iThe 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.

Köppen climate map

Temperature

5° 15° 25°
9°
High: 14°C
Avg: 9°C
Low: 5°C
Jan
10°
High: 15°C
Avg: 10°C
Low: 5°C
Feb
12°
High: 18°C
Avg: 12°C
Low: 7°C
Mar
14°
High: 19°C
Avg: 14°C
Low: 9°C
Apr
17°
High: 22°C
Avg: 17°C
Low: 12°C
May
20°
High: 26°C
Avg: 20°C
Low: 14°C
Jun
22°
High: 28°C
Avg: 22°C
Low: 16°C
Jul
22°
High: 29°C
Avg: 22°C
Low: 16°C
Aug
20°
High: 26°C
Avg: 20°C
Low: 15°C
Sep
17°
High: 22°C
Avg: 17°C
Low: 12°C
Oct
12°
High: 17°C
Avg: 12°C
Low: 9°C
Nov
10°
High: 14°C
Avg: 10°C
Low: 6°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm
109 mm
109.2 mm
Jan
84 mm
83.8 mm
Feb
91 mm
91.4 mm
Mar
91 mm
91.4 mm
Apr
79 mm
78.7 mm
May
20 mm
20.3 mm
Jun
3 mm
2.5 mm
Jul
3 mm
2.5 mm
Aug
48 mm
48.3 mm
Sep
117 mm
116.8 mm
Oct
119 mm
119.4 mm
Nov
117 mm
116.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12h11h9.5h9h
Jan: 7:17 AM – 4:43 PM · 9h 26m
Feb: 6:46 AM – 5:14 PM · 10h 28m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:28 AM – 6:32 PM · 13h 04m
May: 4:53 AM – 7:07 PM · 14h 14m
Jun: 4:35 AM – 7:25 PM · 14h 51m
Jul: 4:42 AM – 7:18 PM · 14h 36m
Aug: 5:12 AM – 6:48 PM · 13h 36m
Sep: 5:53 AM – 6:07 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 54m
Nov: 7:08 AM – 4:52 PM · 9h 43m
Dec: 7:26 AM – 4:34 PM · 9h 09m
Daylight Longest: 14h 52m · Shortest: 9h 08m

Nearby Stations

PORTO, Portugal

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