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
January
96.9
97
February
91.0
91
March
98.1
99
97
April
99.6
100
May
98.4
98
June
98.5
99
July
97.1
97
August
98.5
99
September
92.8
93
October
87.4
88
November
88.1
88
December
88.3
88
Average
95.1
95.7
94.5
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
January
19.8
20
February
19.9
20
March
23.6
24
23
April
27.6
28
May
30.2
30
June
34.0
34
July
36.5
37
August
34.9
35
September
34.5
35
October
29.2
29
November
26.0
26
December
21.7
22
Average
25.6
21.2
30.0
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
January
8.8
9
February
8.6
9
March
12.6
11
15
April
18.4
18
May
20.5
21
June
22.5
23
July
24.5
25
August
24.9
25
September
23.5
24
October
18.3
18
November
15.2
15
December
11.2
11
Average
14.5
9.5
19.6
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
January
0.0
0
February
0.0
0
March
0.0
0
0
April
0.0
0
May
0.0
0
June
0.0
0
July
0.0
0
August
0.0
0
September
0.3
0
October
0.0
0
November
0.0
0
December
0.0
0
Average
0.0
0.0
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
January
7.9
8
February
8.6
9
March
8.7
8
10
April
9.2
9
May
9.7
10
June
9.6
10
July
8.8
9
August
8.5
9
September
8.3
8
October
7.1
7
November
8.3
8
December
8.4
8
Average
8.5
8.2
8.7
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
January
255°
February
302°
March
338°
306°
April
359°
May
360°
June
007°
July
354°
August
001°
September
005°
October
003°
November
008°
December
319°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.