Tralee climate — normals and trends
Tralee (Ireland) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 1,132 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 July (14.9 °C on average) and the coldest is January (5.6 °C). Rainfall peaks in December.
Tralee averages 19 frost days, 0 hot days (≥ 30 °C) and 186 rainy days per year.
Tralee has warmed by +0.4 °C between 1940 and 2025, or +0.04 °C per decade. This trend is statistically significant.
The number of frost days there went from about 24 to 14 per year over the period.
The hottest day of the period reached 30.2 °C (on 28 June 2018) and the coldest -11.8 °C (on 25 December 2010).
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
TraleeMunster
- coords
- 52.27°, -9.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
12.9°C
Average daily low
7.1°C
Annual rainfall
1,132mm
Sunshine / day
7.5h
Mean relative humidity
84%
Average peak wind
20.1km/h
Seasonal range
9.3°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
186 d/yr
Annual snowfall
6.1 cm
Average feels-like high
10.4 °C
Average feels-like low
4.4 °C
Average peak gust
46.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.4 °C
since 1940
0.0 °C per decade · r² = 0.05 · p = 0.039
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
30.2 °C
28 June 2018
Coldest day
-11.8 °C
25 December 2010
Wettest day
63 mm
11 September 2015
Windiest day
66.2 km/h
30 November 1954
Strongest gust
143.6 km/h
24 January 2025
Hottest feels-like
33.7 °C
13 July 1983
Coldest feels-like
-16.3 °C
25 December 2010
Snowiest day
13.1 cm
5 January 2025
Sunniest day
16.2 h
20 June 1941
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 | 7.8 °C | -0.2 °C | 132 mm | +27 mm |
| Feb | 9.6 °C | +1.2 °C | 140 mm | +51 mm |
| Mar | 11.9 °C | +1.8 °C | 37 mm | -54 mm |
| Apr | 15.4 °C | +3.4 °C | 79 mm | -2 mm |
| May | 18.1 °C | +3.6 °C | 68 mm | -27 mm |
| Jun | 17.6 °C | +0.9 °C | 98 mm | +18 mm |
| Jul | 18.9 °C | +0.9 °C | 123 mm | +39 mm |
| Aug | 19.8 °C | +1.9 °C | 82 mm | -13 mm |
| Sep | 15.6 °C | -0.7 °C | 146 mm | +54 mm |
| Oct | 13.7 °C | +0.2 °C | 115 mm | +11 mm |
| Nov | 11.3 °C | +1.1 °C | 135 mm | +32 mm |
| Dec | 8.9 °C | +0.2 °C | 117 mm | +5 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 Tralee?
Tralee has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 1,132 mm of precipitation per year.
What is the hottest day ever recorded in Tralee?
The hottest day measured in Tralee between 1940 and 2025 was 28 June 2018, reaching 30.2 °C.
What is the coldest day in Tralee?
The coldest day measured in Tralee between 1940 and 2025 was 25 December 2010, at -11.8 °C.
Does it snow in Tralee?
Yes. Tralee gets on average 6.1 cm of snow per year and has around 19 frost days.
Has the climate of Tralee warmed?
Yes: Tralee warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tralee?
The wettest day measured in Tralee between 1940 and 2025 was 11 September 2015, with 63 mm of rain in 24 hours.
What was the windiest day in Tralee?
The windiest day measured in Tralee between 1940 and 2025 was 30 November 1954, with winds reaching 66.2 km/h.
What is the warmest month in Tralee?
The warmest month in Tralee is July (14.9 °C on average); the coldest is January (5.6 °C).
How much does it rain in Tralee?
Tralee receives on average 1,132 mm of precipitation per year, spread over about 186 rainy days.
Is it sunny in Tralee?
Tralee gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tralee?
The heaviest 24-hour snowfall measured in Tralee between 1940 and 2025 was 5 January 2025, with 13.1 cm.
Are there tropical nights in Tralee?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tralee.
What was the most extreme apparent temperature in Tralee?
In Tralee, between 1940 and 2025, the highest apparent temperature reached 33.7 °C on 13 July 1983, and the lowest was -16.3 °C on 25 December 2010.
Compare Tralee with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tralee