Climate Komatsu Airport / JASDF Komatsu Air Base 2020-2024

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

Calculated from historical METAR data of Komatsu Airport / JASDF Komatsu Air Base (RJNK) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	64.0	59	52	67	71	80
February	76.0	72	65	76	83	89
March	83.6	70	87	92	85	89
April	88.0		84	87	91	94
May	89.0		87	95	84	90
June	90.3		85	95	96	87
July	88.0		91	91	94	77
August	93.1		100	92	90	91
September	91.5		93	96	93	88
October	91.5		86	94	92	97
November	89.5		69	98	92	95
December	69.4		59	74	67	71
Average	83.1	66.9	81.0	88.8	87.0	87.2

17th best VFR conditions of Japan

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	89.8	96	87	87	90	96
February	92.1	95	96	89	93	99
March	96.1	97	97	98	95	99
April	94.3		93	93	98	98
May	95.8		96	98	92	97
June	96.3		96	99	98	95
July	95.8		97	99	97	91
August	97.7		100	97	97	99
September	97.0		100	98	97	94
October	97.5		98	98	98	99
November	97.6		98	100	96	99
December	93.6		93	97	90	94
Average	95.4	96.0	96.0	96.2	95.1	96.3

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	7.1	8	7	6	7	10
February	8.1	10	8	6	10	10
March	12.6	11	15	13	14	13
April	17.0		18	18	17	15
May	22.2		22	22	22	22
June	25.2		26	27	25	26
July	29.4		31	30	30	27
August	31.3		34	31	30	32
September	27.3		30	27	27	28
October	21.2		22	21	23	21
November	16.4		17	18	17	17
December	10.0		11	10	10	10
Average	17.9	9.5	20.0	19.3	19.1	19.1

52nd highest temperature of Japan

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	1.0	2	1	0	1	3
February	1.3	3	1	0	2	2
March	4.0	4	5	5	5	4
April	8.2		9	9	7	7
May	13.7		14	13	14	14
June	18.5		19	20	19	20
July	23.3		24	24	24	22
August	24.3		26	24	24	25
September	20.2		23	21	20	21
October	13.2		13	12	13	13
November	7.8		9	8	8	8
December	3.4		4	4	3	4
Average	10.5	2.6	12.1	11.9	11.5	11.9

26th lowest temperature of Japan

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	45.1	41	50	41	53	40
February	34.5	28	34	45	32	27
March	20.8	28	14	16	21	21
April	16.6		16	13	17	21
May	13.7		15	10	26	12
June	13.6		16	10	12	18
July	17.1		14	11	16	38
August	11.2		4	15	24	6
September	16.6		12	18	16	20
October	16.8		15	13	11	14
November	20.4		27	18	26	23
December	40.7		39	50	49	47
Average	22.7	32.3	20.1	19.7	24.2	23.3

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	9.3	10	8	10	10	8
February	9.3	10	9	10	11	9
March	10.1	11	10	9	10	11
April	10.1		10	10	11	10
May	9.0		10	8	9	9
June	8.3		9	9	7	9
July	7.7		8	8	7	7
August	8.2		9	9	8	8
September	8.8		9	10	8	8
October	8.7		9	9	10	8
November	8.7		10	8	9	7
December	9.8		10	12	11	8
Average	9.1	10.2	9.1	9.2	9.1	8.7

52nd highest wind speed of Japan

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	295°	247°	322°	280°	355°
February	036°	330°	282°	257°	276°
March	309°	320°	303°	319°	303°
April		311°	338°	346°	287°
May		325°	283°	260°	274°
June		276°	305°	322°	309°
July		273°	303°	323°	272°
August		328°	259°	309°	290°
September		315°	022°	354°	326°
October		304°	017°	003°	008°
November		244°	324°	251°	264°
December		239°	249°	280°	250°

Prevailing wind direction

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