Stranraer climate — normals and trends
Stranraer (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 1,178 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (14.0 °C on average) and the coldest is February (5.4 °C). Rainfall peaks in December.
Stranraer averages 3 frost days, 0 hot days (≥ 30 °C) and 193 rainy days per year.
Stranraer has warmed by +1.2 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 6 to 0 per year over the period.
The hottest day of the period reached 23.4 °C (on 16 July 2003) and the coldest -4.1 °C (on 1 March 1947).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
StranraerScotland
- coords
- 54.90°, -5.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
10.8°C
Average daily low
8.2°C
Annual rainfall
1,178mm
Sunshine / day
7.7h
Mean relative humidity
82%
Average peak wind
31.4km/h
Seasonal range
8.6°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
193 d/yr
Annual snowfall
14.7 cm
Average feels-like high
7.3 °C
Average feels-like low
3.6 °C
Average peak gust
47.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.39 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
23.4 °C
16 July 2003
Coldest day
-4.1 °C
1 March 1947
Wettest day
50 mm
2 October 1981
Windiest day
80.3 km/h
12 January 1974
Strongest gust
141.5 km/h
26 December 1998
Hottest feels-like
25.4 °C
16 July 2003
Coldest feels-like
-11.5 °C
6 February 1963
Snowiest day
14.3 cm
24 April 1981
Sunniest day
16.9 h
20 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.5 °C | +0.5 °C | 74 mm | -42 mm |
| Feb | 7.5 °C | +0.8 °C | 75 mm | -14 mm |
| Mar | 9.4 °C | +1.8 °C | 41 mm | -45 mm |
| Apr | 11.4 °C | +2.4 °C | 47 mm | -23 mm |
| May | 13.3 °C | +2.1 °C | 62 mm | -5 mm |
| Jun | 14.7 °C | +1.4 °C | 125 mm | +53 mm |
| Jul | 16.3 °C | +1.5 °C | 93 mm | +8 mm |
| Aug | 16.8 °C | +1.6 °C | 77 mm | -18 mm |
| Sep | 15.0 °C | +0.7 °C | 138 mm | +29 mm |
| Oct | 12.8 °C | +0.5 °C | 162 mm | +32 mm |
| Nov | 10.5 °C | +0.8 °C | 191 mm | +63 mm |
| Dec | 9.0 °C | +0.9 °C | 160 mm | +28 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Stranraer?
Stranraer has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 1,178 mm of precipitation per year.
What is the hottest day ever recorded in Stranraer?
The hottest day measured in Stranraer between 1940 and 2025 was 16 July 2003, reaching 23.4 °C.
What is the coldest day in Stranraer?
The coldest day measured in Stranraer between 1940 and 2025 was 1 March 1947, at -4.1 °C.
Does it snow in Stranraer?
Yes. Stranraer gets on average 14.7 cm of snow per year and has around 3 frost days.
Has the climate of Stranraer warmed?
Yes: Stranraer warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Stranraer?
The wettest day measured in Stranraer between 1940 and 2025 was 2 October 1981, with 50 mm of rain in 24 hours.
What was the windiest day in Stranraer?
The windiest day measured in Stranraer between 1940 and 2025 was 12 January 1974, with winds reaching 80.3 km/h.
What is the warmest month in Stranraer?
The warmest month in Stranraer is August (14.0 °C on average); the coldest is February (5.4 °C).
How much does it rain in Stranraer?
Stranraer receives on average 1,178 mm of precipitation per year, spread over about 193 rainy days.
Is it sunny in Stranraer?
Stranraer gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Stranraer?
The heaviest 24-hour snowfall measured in Stranraer between 1940 and 2025 was 24 April 1981, with 14.3 cm.
Are there tropical nights in Stranraer?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Stranraer.
What was the most extreme apparent temperature in Stranraer?
In Stranraer, between 1940 and 2025, the highest apparent temperature reached 25.4 °C on 16 July 2003, and the lowest was -11.5 °C on 6 February 1963.
Compare Stranraer with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Stranraer