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
94.6
90
98
96
89
99
February
96.8
97
94
100
95
96
March
96.8
97
99
91
97
99
April
96.4
93
96
98
100
May
96.0
99
91
98
100
June
94.9
93
95
93
93
July
94.1
91
90
97
98
August
93.3
90
89
91
98
September
90.8
83
95
92
87
October
89.2
78
90
87
90
November
92.7
80
88
96
96
December
94.9
94
86
99
88
Average
94.2
93.9
90.8
92.2
94.2
95.0
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
29.2
28
30
30
28
29
February
29.0
30
29
30
29
28
March
28.3
29
30
28
29
28
April
26.0
26
25
26
26
May
23.5
25
22
22
24
June
22.1
24
20
21
23
July
21.5
22
23
21
21
August
21.6
23
21
22
22
September
22.9
24
22
23
23
October
24.0
23
24
23
25
November
25.5
26
25
25
26
December
27.6
29
27
27
27
Average
25.6
29.1
25.6
24.5
24.4
25.1
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.