Dumfries and Galloway catches the full Atlantic, which keeps autumns long and mild. The first autumn frost holds off to late October.
The surprise is spring: Dumfries records more April air frost than Edinburgh or Inverness, so despite its mild reputation it is not Scotland’s earliest region. Mild in autumn, ordinary in spring.
Where this covers
- DG Dumfries, Galloway and Stranraer
Frost dates for Dumfries & Galloway
- Lowland (Solway coast; under ~150m): last frost late April, first autumn frost late October, safe to plant out mid May.
- Upland (Southern Uplands; above ~150m): last frost mid-to-late May, first autumn frost late September, safe to plant out early June.
Dates are rounded to the nearest half month, from named Met Office stations (1991-2020 averages). Lowland means under about 150m; upland is above that.
| Garden | Last spring frost | First autumn frost | Safe to plant out | Season | Station | Confidence |
|---|---|---|---|---|---|---|
| lowland | late April | late October | mid May | ~180 days | Dumfries, Crichton Royal No 2 | high |
| upland | mid-to-late May | late September | early June | ~130 days | Eskdalemuir (242m) | high |
What this means for growing here
Sow and plant out to these dates rather than a UK calendar, and remember they are regional averages. Your own plot can run two to four weeks later in a frost pocket, or earlier against a warm wall. If your garden is above about 150m, use the upland figures; below that, the lowland ones. The Planting Calendar turns these into a month-by-month plan.
When to plant out tender crops here
Frost-tender crops go outside only once the safe planting-out date has passed, about two weeks after the last frost: mid May on low ground and the coast, early June on high ground in Dumfries & Galloway. That applies to tomatoes, basil, cucumbers, sweetcorn, peppers, chillies and aubergines grown outdoors. That date is the earliest they can go out, not a promise they will ripen: on high ground the whole frost-free season is only about 130 days, so a greenhouse, polytunnel or cloches are the safer bet there.
Rain, sun and soil
Dumfries is wet: about 1,180mm of rain a year on about 156 days, against about 730mm at Edinburgh and 755mm at Inverness. It is also warm in summer, with a July mean daily maximum of 19.7°C against 19.3°C at Edinburgh, and gets about 1,310 hours of sunshine. That much rain raises the risk of fungal disease and can waterlog heavy ground, so drainage and airflow count for more here than in the drier east.
Galloway's hills are built on granite intrusions at Cairnsmore of Fleet and the Merrick, with acid peatland on the same ground, so the soil on that high ground runs acidic.
Articles for gardens in Dumfries & Galloway
- Scotland's East/West Rainfall Divide: A Garden-Planning Framework
- Recovering a Sodden Garden After Heavy Rain
- Flooded-Plot Drainage
- Garden Path Materials for a Wet Climate
- Protecting Garden Plants from Frost: What Actually Works
Sources
- Met Office: location-specific long-term averages: the 1991-2020 air-frost day counts behind the frost dates, last verified 2026-07-15
- Met Office: Dumfries, Crichton Royal No 2, 1991-2020 averages: rainfall, rain days, sunshine, air-frost days and July and January temperatures for this region (read 17 October 2026)
- Met Office: Edinburgh, Royal Botanic Garden No 2, 1991-2020 averages: figures used for comparison (read 17 October 2026)
- Met Office: Inverness, 1991-2020 averages: figures used for comparison (read 17 October 2026)
- Derivation method: GrowScotland's own. We treat a month as carrying meaningful frost risk when it averages at least half an air-frost day, take the last such month in spring and the first in autumn, and express each as a half-month band.