County Fermanagh climate

Monthly averages for Enniskillen, 2021–2025 · Ulster

Fermanagh is lakeland, with Lough Erne filling the centre of the county. It is one of the wettest and cloudiest parts of Ulster, mild in winter and cool in summer.

Rain: about 1216 mm falls in a year at Enniskillen, on roughly 197 days, making Fermanagh the 10th wettest of the 32 counties. October is the wettest month (140 mm) and January the driest (83 mm).

Temperature: July is the warmest month, with afternoons averaging 19°C, and January the coldest, with nights averaging 2°C. Frost is rare.

Sunshine: about 2301 hours a year, the 27th sunniest of the 32 counties. May is the sunniest month (9.6 hours a day) and December the dullest (2.7).

Compare Fermanagh with its neighbours →

Rainfall

Average total rainfall each month, in millimetres. 1216 mm a year.

Temperature

Bars run from the average night-time low to the average daytime high, in °C.

Sunshine

Hours of sunshine on an average day in each month. About 2301 hours a year.

Fermanagh and its neighbours
County	Rain mm/yr	Rain days	July high	January low	Sun h/yr
Fermanagh	1216	197	19°C	2°C	2301
Cavan	1106	188	19°C	2°C	2393
Donegal	1211	200	18°C	3°C	2212
Leitrim	1231	192	19°C	3°C	2368
Monaghan	1064	185	19°C	2°C	2375
Tyrone	1200	200	18°C	2°C	2255

Recent extremes, 2021–2025

Hottest day: 29.6°C on 18 July 2022
Coldest night: −4.6°C on 8 January 2025
Wettest day: 38.2 mm on 4 September 2022
Wettest month: July 2023, 203 mm
Driest month: March 2025, 29 mm

Ireland's all-time records are on the records page.

Enniskillen month by month
Month	High °C	Low °C	Rain mm	Rain days	Sun h/day	Wind km/h
January	7	2	83	14	3.6	14
February	9	4	104	16	3.9	17
March	10	4	91	16	5.7	14
April	12	5	87	17	8.2	13
May	16	8	91	17	9.6	12
June	17	10	92	16	9.4	13
July	19	12	101	18	8.1	12
August	19	12	104	17	8.9	13
September	17	10	107	16	7.0	13
October	14	9	140	19	4.5	15
November	10	6	96	15	3.9	15
December	8	4	120	18	2.7	16
Year	13	7	1216	197	2301 h	14

Figures are averages for 2021–2025 at each county town, from the ERA5 weather reanalysis via Open-Meteo. They describe typical lowland weather in each county; hills and exposed coasts are wetter and windier.

Bordering counties: Cavan · Donegal · Leitrim · Monaghan · Tyrone. All counties: rainfall, temperature, sunshine.