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
96.8
96
98
98
95
99
February
97.9
100
97
100
99
97
March
97.4
98
99
95
99
98
April
96.2
95
95
99
99
May
94.5
95
95
97
100
June
90.3
90
94
89
87
July
88.6
88
83
92
94
August
88.1
89
92
81
82
September
87.5
84
92
89
84
October
89.9
85
94
90
95
November
93.9
88
90
94
96
December
96.2
96
91
99
93
Average
93.8
97.6
92.0
93.2
93.7
94.0
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
28.7
28
28
28
28
28
February
28.5
29
28
29
29
28
March
27.7
28
27
27
28
27
April
25.5
24
25
26
25
May
23.4
24
23
23
24
June
21.8
23
20
21
23
July
20.7
21
22
20
21
August
20.6
22
20
20
20
September
21.9
23
21
22
22
October
23.3
22
23
22
24
November
24.9
25
24
25
25
December
26.8
28
27
26
27
Average
24.9
28.4
24.5
23.8
24.1
24.5
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.