Weather in County Galway

Calculated from weather data of Shannon Airport (EINN) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	8.7	8.0	9.0	9.5	7.0	9.1
February	9.8	10.6	10.5	10.4	9.1	9.4
March	10.8	11.1	11.0	12.0	11.0	10.1
April	13.5		13.5	13.8	13.1	14.5
May	16.5		17.6	16.3	14.5	17.3
June	18.7		21.8	17.1	18.1	17.3
July	19.6		18.3	20.1	21.3	17.6
August	19.2		19.1	21.5	19.3	19.5
September	17.4		19.3	17.8	18.3	17.3
October	14.2		14.9	15.3	15.0	13.0
November	10.9		11.0	11.9	11.5	11.3
December	9.1		10.0	5.7	10.4	8.1
Average	13.6	9.9	14.7	14.5	14.1	13.7

1st highest temperature of Ireland

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	3.8	2	4	4	2	5
February	4.6	6	6	5	4	4
March	4.3	5	5	3	5	4
April	5.9		7	6	4	6
May	8.5		9	10	7	9
June	11.1		12	11	10	11
July	13.0		13	13	14	12
August	12.8		13	12	13	13
September	10.9		12	11	13	11
October	8.6		9	10	10	8
November	6.0		6	8	6	6
December	4.6		6	1	6	4
Average	7.4	4.5	8.6	8.0	7.9	7.6

5th lowest temperature of Ireland

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	0	0	0	0
25 °C or warmer	0	7	8	8	1
20 °C or warmer	0	45	29	28	30
0 °C or colder	10	10	17	20	6

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	20.1	14	20	13	19	20
February	22.0	31	10	29	18	33
March	19.9	26	24	6	19	19
April	11.2		13	14	6	8
May	11.3		8	10	20	5
June	13.0		9	15	6	15
July	16.5		25	10	14	29
August	17.3		12	7	17	18
September	17.5		18	14	14	13
October	19.4		18	21	13	19
November	21.2		15	17	16	26
December	19.1		26	3	18	19
Average	17.5	24.2	16.0	13.0	14.6	17.7

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	18.0	17	19	16	14	19
February	23.0	18	19	28	22	30
March	20.4	20	20	17	19	23
April	18.7		20	19	17	16
May	17.6		15	20	18	19
June	17.9		15	19	17	20
July	17.0		21	16	13	19
August	17.8		19	15	16	17
September	17.8		17	16	15	18
October	18.7		15	20	17	21
November	18.4		18	21	16	19
December	18.9		23	12	18	18
Average	18.6	18.6	18.1	18.3	16.6	19.5

5th highest wind speed of Ireland

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	S	SW	SW	SW	SW
February	SW	S	W	S	SW
March	S	S	SE	SW	SW
April		S	S	E	SE
May		NW	SW	SW	SE
June		S	SW	W	W
July		W	W	W	W
August		SW	W	W	SW
September		S	NW	SW	SW
October		SE	S	SW	W
November		W	S	W	S
December		SW	E	S	W

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

County Galway weather Q&A

What is the warmest month in County Galway?

The warmest month is July with an average temperature of 20 °C over the past years.

What is the coldest month in County Galway?

The coldest month is January with an average daytime temperature of 9 °C in the past few years.

Which month is the wettest in County Galway?

Chance of precipitation is the highest in February with a probability of around 22.1 %.

Which month is the driest in County Galway?

The least rainfall and snow can be expected in April. The probability is about 11.3 %.