County Meath climate

Monthly averages for Navan, 2021–2025 · Leinster

Meath's rich lowland farmland is sheltered from the Atlantic by the full width of the country, so it is dry and relatively warm in summer, with a short stretch of coast around Bettystown.

Rain: about 978 mm falls in a year at Navan, on roughly 169 days, making Meath the 30th wettest of the 32 counties. October is the wettest month (111 mm) and January the driest (68 mm).

Temperature: July is the warmest month, with afternoons averaging 20°C, and January the coldest, with nights averaging 2°C. Frost is rare.

Sunshine: about 2506 hours a year, the 9th sunniest of the 32 counties. May is the sunniest month (10.4 hours a day) and December the dullest (3.0).

Compare Meath with its neighbours →

Rainfall

Average total rainfall each month, in millimetres. 978 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 2506 hours a year.

Meath and its neighbours
County	Rain mm/yr	Rain days	July high	January low	Sun h/yr
Meath	978	169	20°C	2°C	2506
Cavan	1106	188	19°C	2°C	2393
Dublin	1000	162	20°C	3°C	2750
Kildare	971	172	20°C	2°C	2476
Louth	1063	172	19°C	2°C	2524
Monaghan	1064	185	19°C	2°C	2375
Offaly	1064	178	19°C	2°C	2409
Westmeath	1079	182	19°C	2°C	2442

Recent extremes, 2021–2025

Hottest day: 30.7°C on 18 July 2022
Coldest night: −5.5°C on 9 January 2021
Wettest day: 36.4 mm on 21 July 2025
Wettest month: October 2022, 159 mm
Driest month: March 2025, 19 mm

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

Navan month by month
Month	High °C	Low °C	Rain mm	Rain days	Sun h/day	Wind km/h
January	7	2	68	12	4.1	16
February	9	4	72	14	4.2	19
March	11	4	78	14	6.3	15
April	12	5	75	14	8.5	14
May	16	8	77	15	10.4	13
June	18	11	75	14	10.4	14
July	20	12	91	17	9.1	13
August	19	12	72	13	9.4	14
September	17	10	94	13	7.2	14
October	14	9	111	17	5.4	16
November	11	5	78	13	4.2	16
December	9	4	87	14	3.0	18
Year	14	7	978	169	2506 h	15

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 · Dublin · Kildare · Louth · Monaghan · Offaly · Westmeath. All counties: rainfall, temperature, sunshine.