Climate Moyglare Airfield 2020-2024

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of Casement Air Base (EIME) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	62.1	62	69	68	57	66
February	68.3	54	64	62	71	74
March	66.4	52	61	83	60	77
April	73.9		73	75	82	79
May	81.2		81	81	81	88
June	74.3		82	81	72	58
July	73.7		72	73	72	61
August	73.9		72	89	61	58
September	74.9		73	74	65	74
October	76.1		78	84	74	73
November	70.5		72	82	59	69
December	63.2		59	72	63	66
Average	70.7	55.3	72.3	77.9	69.1	69.9

1st best VFR conditions of Ireland

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 8 km or more and a ceiling of 3,000 ft or more. Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	90.6	93	92	98	85	91
February	94.7	87	98	92	98	98
March	90.7	87	92	95	90	93
April	93.4		95	97	97	94
May	96.2		97	96	97	99
June	94.2		96	95	95	86
July	93.6		94	95	90	88
August	92.3		90	98	88	79
September	93.2		87	93	90	97
October	94.6		95	97	98	91
November	92.4		92	95	87	94
December	89.1		93	85	90	88
Average	92.7	88.7	93.4	95.1	92.3	91.1

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 5 km or more and a ceiling of 1,000 ft or more. Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	7.8	7	8	8	6	9
February	9.0	10	10	10	8	8
March	10.2	10	10	12	11	10
April	12.2		13	12	11	13
May	16.0		17	16	14	17
June	18.2		20	18	18	17
July	19.8		19	21	21	18
August	19.1		19	21	19	18
September	17.2		19	17	18	17
October	13.7		15	15	14	12
November	10.2		10	12	10	11
December	8.4		9	6	9	7
Average	13.0	9.1	14.0	14.1	13.4	13.1

3rd 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	2.8	2	4	2	1	4
February	3.4	5	5	4	4	3
March	3.6	5	4	4	4	3
April	4.6		6	4	2	6
May	7.3		8	9	5	8
June	10.4		12	10	10	10
July	12.0		12	13	13	11
August	11.6		12	12	12	12
September	9.6		11	10	11	9
October	7.5		8	9	9	6
November	4.9		5	7	5	6
December	3.7		5	0	4	2
Average	6.4	3.9	7.6	7.1	6.7	6.5

2nd lowest temperature of Ireland

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	18.0	19	17	9	20	21
February	23.0	26	11	27	27	31
March	20.2	23	31	11	12	12
April	13.5		13	13	7	8
May	10.9		5	13	18	4
June	14.3		10	12	8	24
July	15.8		28	9	11	27
August	17.4		14	8	19	23
September	17.2		26	16	9	10
October	17.8		16	17	10	23
November	19.9		17	15	19	21
December	22.0		25	14	18	18
Average	17.5	23.0	17.2	13.1	14.0	18.0

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 (knots)

Month	Average	2024	2023	2022	2021	2020
January	11.9	13	13	11	10	14
February	14.1	13	12	17	14	18
March	11.8	12	11	10	12	13
April	9.6		9	10	8	9
May	9.3		8	11	9	10
June	9.4		9	10	9	10
July	9.2		12	9	7	10
August	10.0		10	9	9	10
September	10.0		10	8	9	11
October	11.6		10	13	12	12
November	11.5		12	14	11	13
December	12.0		15	8	12	11
Average	10.8	12.2	10.4	10.6	9.9	11.4

3rd 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	222°	232°	235°	240°	222°
February	240°	229°	242°	180°	235°
March	194°	209°	153°	232°	228°
April		207°	192°	056°	112°
May		275°	237°	218°	199°
June		149°	227°	236°	261°
July		239°	254°	241°	253°
August		244°	246°	238°	224°
September		217°	243°	230°	242°
October		207°	212°	227°	245°
November		250°	211°	247°	219°
December		239°	197°	218°	235°

Prevailing wind direction

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