Frost Dates for Hillsborough, United Kingdom

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. April 19
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. November 10
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 April 30
First Fall Frost October 31

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 8
First Fall Hard Freeze December 2
54.45°N, -6.07°W © OpenStreetMap

Growing Season

205 Days April 19 to November 10

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 9a

Learn more

Temperature

30° 40° 50° 60° 70°
40°
High: 45°
Avg: 40°
Low: 35°
Jan
41°
High: 46°
Avg: 41°
Low: 35°
Feb
43°
High: 49°
Avg: 43°
Low: 37°
Mar
46°
High: 53°
Avg: 46°
Low: 39°
Apr
51°
High: 58°
Avg: 51°
Low: 44°
May
56°
High: 63°
Avg: 56°
Low: 49°
Jun
59°
High: 65°
Avg: 59°
Low: 52°
Jul
58°
High: 65°
Avg: 58°
Low: 52°
Aug
55°
High: 61°
Avg: 55°
Low: 48°
Sep
49°
High: 55°
Avg: 49°
Low: 44°
Oct
44°
High: 49°
Avg: 44°
Low: 40°
Nov
41°
High: 46°
Avg: 41°
Low: 36°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 1" 2" 3" 3.8"
3.3"
3.30"
Jan
2.8"
2.80"
Feb
3.0"
3.00"
Mar
2.5"
2.50"
Apr
2.6"
2.60"
May
2.8"
2.80"
Jun
3.0"
3.00"
Jul
2.9"
2.90"
Aug
3.0"
3.00"
Sep
3.8"
3.80"
Oct
3.8"
3.80"
Nov
3.5"
3.50"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9h11h14h16h17h16h15h12h10h8h7h
Jan: 8:12 AM – 3:48 PM · 7h 36m
Feb: 7:17 AM – 4:43 PM · 9h 26m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 47m
May: 4:06 AM – 7:54 PM · 15h 47m
Jun: 3:32 AM – 8:28 PM · 16h 57m
Jul: 3:46 AM – 8:14 PM · 16h 28m
Aug: 4:40 AM – 7:20 PM · 14h 41m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 10m
Nov: 7:56 AM – 4:04 PM · 8h 07m
Dec: 8:29 AM – 3:31 PM · 7h 03m
Daylight Longest: 16h 59m · Shortest: 7h 01m

Nearby Stations

Stormont Castle, United Kingdom March 24 - November 24 Aldergrove, United Kingdom April 14 - November 8 Armagh, United Kingdom April 13 - November 9 Lough Navar Forest, United Kingdom May 23 - October 3 DUBLIN PHOENIX PARK, Ireland March 15 - December 4 CASEMENT, Ireland March 22 - November 20

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