What is historically the best month for mountain weather in Southern Scotland?

May has the highest historical share of excellent or good high-ground days in this dataset. This is climate guidance, not a promise of conditions for a future trip.

What is low-level weather typically like in Southern Scotland in December?

Using Newton Stewart as a representative low-level base, the typical daily high was 8.3°C, 46% of days were historically dry, and the typical maximum wind speed was 16 mph.

Is this a weather forecast for Southern Scotland?

No. It summarises typical high-ground and representative low-level conditions for comparable weeks across 40 years. Use the live forecast nearer the trip.

Why choose a Saturday start date?

Many UK holiday cottages are offered Saturday to Saturday, so a Saturday start generally gives the widest choice for a seven-night mountain trip.

What is Southern Scotland mountain weather like in December?

Typical mountain and low-level wind, temperature and rainfall for December, based on 40 years of weather history.

40-year mountain climate

Typical high-ground conditions in December.

Historically, December has been a mixed and often challenging month on the high ground. Of 1,240 representative high-ground days, 20% were excellent or good, 47% were average, and 33% were poor or severe.

Dry days accounted for 44% of the sample, while extensive cloud affected 61%. These figures describe representative high ground around 843 metres, so coastal and low-level conditions can be milder.

View December accommodation See lowland December weather ↓Check the live forecast →

December stays on Southern Scotland

A cottage near Southern Scotland

A practical base for the hills

Check dates for an indicative priceExact December prices and availability are checked after you choose a week.

Search December dates ↓

Excellent or good20%Historically dry44%High-ground temperature1.0°CTypical maximum gust32 mphStronger days around 46 mph

Plan beyond the forecast

Choose an area and week.

Saturday dates are highlighted because they usually unlock the widest choice of seven-night cottage stays. Other arrival days still work.

Typical conditions, not a forecastThis describes representative high ground. A difficult hill day can still be suitable for a lower-level plan.

Week 50 · 12 December

What this week is typically like on Southern Scotland high ground.

Across 280 comparable historical hill days, 20% were excellent or good and 24% were poor or severe.

Check the live Southern Scotland forecast →

Historically excellent or good20%280 comparable days

Excellent8%Good12%Average56%Poor21%Severe3%

Historically dry51% of daysTypical daily max gust30 mphStronger days around 43 mphTypical high ground0.6°C24-hour mean near 843 mExtensive cloud56% of days

December context: 20% of days across the month were excellent or good; 33% were poor or severe. Read the full December guide.

Valley and low level for this week

Around Newton Stewart.

Representative base · 20 m

Typical daily high8.2°CWarmer days 10.9°CHistorically dry54%49% dry with lighter windMaximum wind15 mphStronger days 21 mphTypical overnight low4.0°CCooler nights 1.4°C

Planning a different time of year?Compare Southern Scotland month by month

Valleys and trip bases

Low-level weather around Newton Stewart in December.

Newton Stewart, at roughly 20 metres, provides a practical low-level reference for Southern Scotland. Across 1,240 historical days, the typical daytime high was 8.3°C, with warmer days around 10.9°C.

About 46% of days were dry and 42% combined dry weather with lighter winds. Conditions vary across glens, coasts and villages, so this should be used as regional trip-planning guidance rather than a forecast for every location.

Typical daily high8.3°CWarmer days around 10.9°CTypical overnight low4.3°CCooler nights around 1.3°CHistorically dry46%16% had 10 mm+ rainTypical maximum wind16 mphStronger days around 22 mph

January to December

Southern Scotland weather by month.

Each month has a detailed guide comparing high-ground hill days with typical conditions at a representative valley or low-level trip base.

January18% good

High ground: 48% average · 34% poor or severeNewton Stewart: 45% dry · 7.7°C daily high

February19% good

High ground: 48% average · 33% poor or severeNewton Stewart: 47% dry · 8.0°C daily high

March22% good

High ground: 52% average · 26% poor or severeNewton Stewart: 50% dry · 9.4°C daily high

April30% good

High ground: 54% average · 16% poor or severeNewton Stewart: 54% dry · 11.2°C daily high

May34% good

High ground: 52% average · 14% poor or severeNewton Stewart: 57% dry · 14.1°C daily high

June26% good

High ground: 60% average · 14% poor or severeNewton Stewart: 54% dry · 16.1°C daily high

July24% good

High ground: 63% average · 13% poor or severeNewton Stewart: 52% dry · 17.6°C daily high

August24% good

High ground: 61% average · 15% poor or severeNewton Stewart: 48% dry · 17.5°C daily high

September24% good

High ground: 59% average · 17% poor or severeNewton Stewart: 53% dry · 16.0°C daily high

October19% good

High ground: 54% average · 27% poor or severeNewton Stewart: 45% dry · 13.4°C daily high

November20% good

High ground: 53% average · 27% poor or severeNewton Stewart: 44% dry · 10.2°C daily high

December20% good

High ground: 47% average · 33% poor or severeNewton Stewart: 46% dry · 8.3°C daily high

Strongest historical signals

Best weeks of the year for Southern Scotland mountain weather.

These are the six week bands with the largest historical share of excellent or good days. They are useful for broad trip timing, but the live forecast should decide the final plan.

20 mountain areas

Compare another part of the UK.

Each page includes weekly and monthly high-ground and low-level climate summaries, a highlighted Saturday planner and nearby accommodation.