Climate Čáslav Air Base 2020-2024

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

Calculated from historical METAR data of Čáslav Air Base (LKCV) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	60.3	75	65	62	51	56
February	70.6	66	71	91	46	86
March	82.7	83	88	91	73	86
April	86.2		79	85	81	98
May	90.5		93	93	90	93
June	92.7		95	91	94	84
July	94.6		97	93	88	97
August	91.2		87	83	89	87
September	89.8		94	86	92	88
October	83.8		91	88	90	81
November	53.7		72	47	43	51
December	55.2		67	27	53	43
Average	81.4	75.3	85.2	82.4	77.8	82.2

3rd best VFR conditions of Czechia

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	88.0	91	94	93	83	86
February	91.4	89	95	99	80	98
March	95.7	97	97	98	86	98
April	97.2		97	97	96	100
May	97.0		98	97	96	99
June	98.2		98	99	98	97
July	99.1		99	98	98	100
August	96.7		96	93	97	95
September	97.3		100	99	99	97
October	94.1		98	95	98	99
November	88.5		94	81	94	85
December	89.9		88	71	88	96
Average	94.9	92.7	96.5	94.9	93.7	96.2

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	3.3	4	6	4	3	4
February	6.2	10	6	8	4	8
March	10.1	13	11	11	8	10
April	14.4		12	12	11	17
May	19.1		19	21	16	18
June	24.7		24	25	26	22
July	25.8		27	26	25	25
August	25.6		25	26	22	26
September	20.6		25	18	21	21
October	15.7		18	17	15	14
November	8.2		9	8	7	8
December	4.6		6	1	4	6
Average	14.1	9.0	15.5	15.2	13.4	14.8

5th highest temperature of Czechia

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	-2.1	-2	1	0	-1	-2
February	-1.4	4	-1	1	-4	3
March	1.0	4	2	-2	0	1
April	3.6		3	2	2	2
May	8.0		8	9	7	7
June	13.1		12	13	13	13
July	13.7		15	13	15	13
August	14.7		15	15	13	15
September	10.1		12	9	11	10
October	6.5		8	7	4	7
November	2.7		3	2	3	3
December	0.0		1	-4	-1	2
Average	5.4	2.1	6.6	5.7	5.1	6.1

6th lowest temperature of Czechia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	15.5	16	16	16	25	7
February	11.4	17	14	13	11	16
March	10.7	7	16	5	11	12
April	9.4		16	10	10	4
May	8.3		6	7	12	11
June	6.4		8	5	2	19
July	4.7		6	5	3	8
August	8.3		15	8	13	11
September	7.6		0	14	2	13
October	9.9		11	8	7	16
November	12.4		21	14	11	6
December	13.8		20	22	19	7
Average	9.7	12.8	11.6	9.3	9.6	11.0

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	8.5	9	8	10	7	7
February	8.7	9	9	13	6	12
March	8.2	9	10	6	7	9
April	8.0		7	8	9	6
May	7.2		7	6	10	7
June	6.0		5	6	5	6
July	6.4		7	7	6	6
August	5.7		6	5	6	5
September	6.2		6	6	6	6
October	7.6		7	6	8	8
November	7.0		9	6	7	5
December	8.5		9	7	7	10
Average	7.4	8.9	7.3	7.0	6.9	6.9

5th highest wind speed of Czechia

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	246°	239°	271°	255°	207°
February	246°	277°	261°	284°	252°
March	175°	250°	108°	278°	263°
April		337°	297°	292°	340°
May		046°	274°	251°	310°
June		333°	268°	326°	305°
July		263°	307°	282°	276°
August		260°	338°	274°	294°
September		178°	271°	289°	246°
October		241°	210°	185°	230°
November		241°	158°	213°	191°
December		242°	218°	247°	153°

Prevailing wind direction

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