Carrickmacross climate — normals and trends
Carrickmacross (Ireland) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.4 °C and it receives 854 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 (15.1 °C on average) and the coldest is January (4.5 °C). Rainfall peaks in August.
Carrickmacross averages 28 frost days, 0 hot days (≥ 30 °C) and 159 rainy days per year.
Carrickmacross has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The number of frost days there went from about 38 to 18 per year over the period.
The hottest day of the period reached 30.2 °C (on 18 July 2022) and the coldest -15.3 °C (on 12 January 1982).
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
CarrickmacrossUlster
- coords
- 53.97°, -6.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.4°C
Average daily high
12.3°C
Average daily low
6.6°C
Annual rainfall
854mm
Sunshine / day
6.8h
Mean relative humidity
83%
Average peak wind
19.8km/h
Seasonal range
10.6°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
17.1 cm
Average feels-like high
9.7 °C
Average feels-like low
3.6 °C
Average peak gust
42.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.19 · 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
30.2 °C
18 July 2022
Coldest day
-15.3 °C
12 January 1982
Wettest day
59 mm
6 September 2010
Windiest day
59.5 km/h
16 September 1961
Strongest gust
131.0 km/h
24 January 2025
Hottest feels-like
32.8 °C
13 July 1983
Coldest feels-like
-19.6 °C
12 January 1982
Snowiest day
14.9 cm
8 December 1954
Sunniest day
16.9 h
19 June 1940
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 | 6.8 °C | +0.1 °C | 53 mm | -21 mm |
| Feb | 8.4 °C | +1.1 °C | 66 mm | +7 mm |
| Mar | 11.2 °C | +2.0 °C | 20 mm | -43 mm |
| Apr | 14.3 °C | +2.8 °C | 106 mm | +42 mm |
| May | 17.0 °C | +2.6 °C | 47 mm | -26 mm |
| Jun | 18.1 °C | +1.0 °C | 90 mm | +20 mm |
| Jul | 19.8 °C | +1.4 °C | 75 mm | +0 mm |
| Aug | 19.5 °C | +1.4 °C | 49 mm | -32 mm |
| Sep | 15.6 °C | -0.4 °C | 103 mm | +31 mm |
| Oct | 12.9 °C | +0.1 °C | 109 mm | +32 mm |
| Nov | 10.0 °C | +0.8 °C | 102 mm | +31 mm |
| Dec | 8.7 °C | +1.3 °C | 83 mm | +6 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 Carrickmacross?
Carrickmacross has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.4 °C and it receives 854 mm of precipitation per year.
What is the hottest day ever recorded in Carrickmacross?
The hottest day measured in Carrickmacross between 1940 and 2025 was 18 July 2022, reaching 30.2 °C.
What is the coldest day in Carrickmacross?
The coldest day measured in Carrickmacross between 1940 and 2025 was 12 January 1982, at -15.3 °C.
Does it snow in Carrickmacross?
Yes. Carrickmacross gets on average 17.1 cm of snow per year and has around 28 frost days.
Has the climate of Carrickmacross warmed?
Yes: Carrickmacross warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Carrickmacross?
The wettest day measured in Carrickmacross between 1940 and 2025 was 6 September 2010, with 59 mm of rain in 24 hours.
What was the windiest day in Carrickmacross?
The windiest day measured in Carrickmacross between 1940 and 2025 was 16 September 1961, with winds reaching 59.5 km/h.
What is the warmest month in Carrickmacross?
The warmest month in Carrickmacross is July (15.1 °C on average); the coldest is January (4.5 °C).
How much does it rain in Carrickmacross?
Carrickmacross receives on average 854 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Carrickmacross?
Carrickmacross gets on average 6.8 hours of sunshine per day, roughly 2,482 hours per year over 1940-2025.
What is the biggest single-day snowfall in Carrickmacross?
The heaviest 24-hour snowfall measured in Carrickmacross between 1940 and 2025 was 8 December 1954, with 14.9 cm.
Are there tropical nights in Carrickmacross?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Carrickmacross.
What was the most extreme apparent temperature in Carrickmacross?
In Carrickmacross, between 1940 and 2025, the highest apparent temperature reached 32.8 °C on 13 July 1983, and the lowest was -19.6 °C on 12 January 1982.
Compare Carrickmacross with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Carrickmacross