Climate Saga Airport 2020-2024

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

Calculated from historical METAR data of Saga Airport (RJFS) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	89.5	82	84	95	94	90
February	88.8	75	88	95	95	87
March	87.3	76	87	90	89	91
April	90.0		84	89	97	96
May	89.2		83	92	87	90
June	88.3		82	87	91	84
July	88.9		82	94	99	83
August	93.3		98	96	83	91
September	93.6		98	94	99	90
October	96.2		98	98	99	98
November	95.5		94	97	99	96
December	92.9		92	98	95	94
Average	89.7	77.4	88.9	93.4	93.6	90.6

5th 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	95.4	90	95	99	98	95
February	96.1	90	97	99	97	96
March	95.9	89	98	98	96	96
April	96.9		93	98	100	100
May	96.1		93	95	96	97
June	96.0		94	92	97	98
July	95.6		94	98	100	90
August	97.7		99	99	90	99
September	97.8		100	97	99	99
October	98.8		100	99	100	98
November	98.3		99	99	100	98
December	97.1		98	99	98	97
Average	96.1	89.7	96.5	97.6	97.3	96.7

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	10.0	11	10	10	9	12
February	11.3	13	12	9	13	12
March	15.3	14	17	16	17	15
April	19.7		20	20	21	18
May	23.9		24	24	23	24
June	27.0		27	27	28	28
July	30.0		30	31	31	27
August	31.5		33	31	29	32
September	28.4		30	29	29	28
October	23.6		24	23	26	23
November	18.2		18	20	18	19
December	11.5		12	11	11	11
Average	19.9	12.5	21.3	21.3	21.2	20.8

23rd 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	1.7	2	1	2	2	5
February	2.9	6	3	1	5	4
March	6.6	7	7	7	8	7
April	11.1		12	11	12	10
May	16.2		17	16	17	17
June	20.9		22	22	22	22
July	24.9		25	26	26	23
August	25.4		26	26	25	27
September	21.4		23	22	23	21
October	14.4		13	15	15	14
November	8.1		8	9	7	9
December	3.3		4	4	3	2
Average	12.1	4.9	13.5	13.6	13.6	13.4

38th 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	12.7	22	16	8	13	13
February	13.5	21	12	9	12	12
March	13.1	19	11	9	11	20
April	11.9		18	14	6	8
May	14.1		20	15	13	12
June	14.8		21	16	15	15
July	14.9		13	13	11	26
August	9.8		5	7	23	4
September	15.9		11	15	15	17
October	7.7		4	5	4	4
November	5.4		7	4	9	6
December	10.9		16	8	10	7
Average	13.0	20.4	13.0	10.5	11.9	12.1

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	6.9	7	7	7	7	7
February	7.8	9	7	8	9	7
March	7.5	8	6	7	7	7
April	8.4		10	8	8	9
May	7.8		8	7	9	8
June	7.9		7	9	7	9
July	8.5		9	9	9	8
August	8.2		8	8	8	9
September	7.5		7	9	7	8
October	7.6		7	7	7	8
November	5.9		7	5	6	6
December	6.5		6	7	7	7
Average	7.6	7.9	7.3	7.6	7.6	7.9

23rd 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	320°	310°	328°	334°	334°
February	020°	357°	328°	269°	295°
March	281°	286°	248°	330°	287°
April		311°	349°	312°	263°
May		191°	209°	213°	205°
June		197°	186°	208°	204°
July		193°	195°	176°	191°
August		159°	193°	183°	188°
September		303°	019°	094°	041°
October		008°	004°	007°	019°
November		267°	321°	320°	327°
December		294°	336°	303°	326°

Prevailing wind direction

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