Troon climate — normals and trends
Troon (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 1,569 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 (4.8 °C). Rainfall peaks in December.
Troon averages 6 frost days, 0 hot days (≥ 30 °C) and 206 rainy days per year.
Troon has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 12 to 0 per year over the period.
The hottest day of the period reached 25.6 °C (on 28 June 1995) and the coldest -6.1 °C (on 27 January 1945).
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
TroonScotland
- coords
- 55.54°, -4.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
10.5°C
Average daily low
7.8°C
Annual rainfall
1,569mm
Sunshine / day
7.3h
Mean relative humidity
83%
Average peak wind
29.3km/h
Seasonal range
9.2°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
206 d/yr
Annual snowfall
22.3 cm
Average feels-like high
7.0 °C
Average feels-like low
3.4 °C
Average peak gust
42.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.35 · 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
25.6 °C
28 June 1995
Coldest day
-6.1 °C
27 January 1945
Wettest day
57 mm
9 September 1962
Windiest day
88.8 km/h
27 December 1998
Strongest gust
152.6 km/h
27 December 1998
Hottest feels-like
26.9 °C
19 July 2006
Coldest feels-like
-12.2 °C
13 January 1987
Snowiest day
20.8 cm
15 January 1984
Sunniest day
17.0 h
21 June 1944
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 | 6.7 °C | +0.3 °C | 95 mm | -67 mm |
| Feb | 7.0 °C | +0.9 °C | 100 mm | -23 mm |
| Mar | 9.0 °C | +1.8 °C | 73 mm | -41 mm |
| Apr | 11.4 °C | +2.6 °C | 50 mm | -36 mm |
| May | 13.5 °C | +2.1 °C | 90 mm | +10 mm |
| Jun | 14.6 °C | +1.0 °C | 157 mm | +69 mm |
| Jul | 16.5 °C | +1.5 °C | 118 mm | +9 mm |
| Aug | 16.9 °C | +1.6 °C | 98 mm | -26 mm |
| Sep | 14.5 °C | +0.5 °C | 153 mm | +6 mm |
| Oct | 12.2 °C | +0.4 °C | 251 mm | +77 mm |
| Nov | 9.9 °C | +0.9 °C | 232 mm | +57 mm |
| Dec | 8.6 °C | +1.1 °C | 202 mm | +15 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 Troon?
Troon has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 1,569 mm of precipitation per year.
What is the hottest day ever recorded in Troon?
The hottest day measured in Troon between 1940 and 2025 was 28 June 1995, reaching 25.6 °C.
What is the coldest day in Troon?
The coldest day measured in Troon between 1940 and 2025 was 27 January 1945, at -6.1 °C.
Does it snow in Troon?
Yes. Troon gets on average 22.3 cm of snow per year and has around 6 frost days.
Has the climate of Troon warmed?
Yes: Troon warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Troon?
The wettest day measured in Troon between 1940 and 2025 was 9 September 1962, with 57 mm of rain in 24 hours.
What was the windiest day in Troon?
The windiest day measured in Troon between 1940 and 2025 was 27 December 1998, with winds reaching 88.8 km/h.
What is the warmest month in Troon?
The warmest month in Troon is August (14.0 °C on average); the coldest is February (4.8 °C).
How much does it rain in Troon?
Troon receives on average 1,569 mm of precipitation per year, spread over about 206 rainy days.
Is it sunny in Troon?
Troon gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Troon?
The heaviest 24-hour snowfall measured in Troon between 1940 and 2025 was 15 January 1984, with 20.8 cm.
Are there tropical nights in Troon?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Troon.
What was the most extreme apparent temperature in Troon?
In Troon, between 1940 and 2025, the highest apparent temperature reached 26.9 °C on 19 July 2006, and the lowest was -12.2 °C on 13 January 1987.
Compare Troon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Troon