Climate Fly Roma Airfield 2020-2024

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

Calculated from historical METAR data of Guidonia Air Base (LIRG) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	92.1	89	85	97	92	99
February	89.7	91	92	99	84	93
March	93.2	87	91	94	98	95
April	93.3	97	89	96	91	95
May	93.2		83	99	99	98
June	97.1		95	99	99	91
July	99.5		100	100	98	100
August	97.7		92	100	98	96
September	98.3		100	99	100	94
October	95.7		98	94	98	93
November	92.5		87	94	91	96
December	87.1		86	86	95	83
Average	94.2	91.0	91.9	97.1	95.7	94.6

9th best VFR conditions of Italy

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	98.7	100	98	100	99	100
February	96.7	100	98	100	95	98
March	97.6	95	96	99	100	99
April	98.4	100	98	100	98	98
May	99.0		97	100	100	100
June	99.4		98	100	99	100
July	99.9		100	100	100	100
August	99.5		98	100	100	100
September	99.6		100	99	100	100
October	98.8		99	99	99	99
November	98.5		99	96	98	100
December	97.1		98	91	99	100
Average	98.7	98.4	98.3	99.0	98.8	99.4

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	13.0	15	13	13	12	14
February	15.1	17	14	16	16	17
March	16.9	18	17	16	16	17
April	19.6	21	19	20	18	19
May	23.9		22	28	23	26
June	30.0		29	33	31	27
July	33.6		35	35	34	34
August	33.3		33	34	32	33
September	28.1		31	27	29	28
October	23.3		27	24	21	21
November	17.4		18	19	17	19
December	13.8		15	14	13	14
Average	21.8	17.3	22.7	23.5	21.9	22.3

11th highest temperature of Italy

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	3.3	5	4	2	3	2
February	4.1	6	2	4	5	6
March	5.5	7	8	2	3	5
April	7.8	8	6	6	7	8
May	12.7		13	13	11	13
June	17.7		17	19	18	16
July	19.9		21	21	20	19
August	19.4		19	20	19	19
September	15.5		17	16	16	16
October	11.6		14	12	10	10
November	8.7		10	9	10	8
December	4.9		5	6	4	5
Average	10.5	6.5	11.3	11.1	10.6	10.4

38th lowest temperature of Italy

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	5.2	1	11	2	6	1
February	3.1	1	1	1	2	2
March	4.4	6	6	4	4	3
April	5.1	1	4	2	5	13
May	4.3		12	1	1	3
June	1.0		1	0	1	3
July	0.3		0	0	1	0
August	1.0		4	0	0	4
September	1.1		0	3	1	2
October	1.4		0	3	2	2
November	7.2		7	4	9	2
December	7.8		3	16	4	9
Average	3.1	2.4	3.9	2.2	2.7	3.5

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	5.0	5	5	5	6	3
February	5.4	6	4	7	4	6
March	6.2	6	6	6	5	6
April	5.5	6	5	5	5	5
May	5.6		4	6	6	7
June	5.9		5	6	6	6
July	6.0		6	6	6	6
August	5.6		5	6	6	6
September	5.0		5	6	5	5
October	4.9		6	3	6	5
November	4.5		6	4	4	3
December	4.6		5	5	4	5
Average	5.4	5.5	5.2	5.5	5.4	5.4

11th highest wind speed of Italy

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	176°	249°	008°	161°	315°
February	172°	310°	273°	216°	295°
March	208°	209°	277°	305°	261°
April	217°	226°	234°	219°	243°
May		226°	224°	218°	241°
June		245°	248°	235°	208°
July		217°	238°	221°	244°
August		220°	229°	222°	222°
September		290°	200°	235°	244°
October		192°	276°	323°	201°
November		181°	220°	138°	309°
December		115°	161°	134°	164°

Prevailing wind direction

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