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
93
96
97
95
February
93.4
89
91
95
March
93.0
84
98
99
April
90.2
88
88
95
May
84.7
86
82
92
June
80.2
84
68
84
July
86.5
75
94
93
86
August
89.2
93
86
94
86
September
86.3
81
89
95
83
October
85.3
77
81
94
98
November
90.3
76
97
100
96
December
94.7
91
97
96
Average
90.4
88.6
86.0
87.4
94.8
93.5
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
2022
2021
2020
January
27.5
27
29
28
27
February
27.2
28
27
27
March
26.6
27
28
29
April
23.5
23
22
23
May
20.1
21
17
20
June
18.2
18
16
20
July
18.7
19
21
16
17
August
19.5
21
18
20
20
September
22.0
23
19
21
23
October
23.3
22
22
24
26
November
25.4
25
25
28
26
December
27.7
28
29
28
Average
23.3
27.1
23.5
20.5
21.0
24.2
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.