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
96.6
98
98
98
97
97
February
95.6
93
93
96
98
97
March
94.7
95
98
91
94
99
April
93.7
94
92
95
92
May
85.9
93
80
89
85
June
83.2
82
80
85
86
July
91.5
91
97
96
84
August
92.2
95
91
96
93
September
93.7
96
94
95
94
October
91.1
88
90
94
96
November
95.4
92
99
97
98
December
97.4
95
98
100
98
Average
93.3
95.3
93.1
92.5
94.9
94.8
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
29
30
32
27
29
February
28.9
30
28
31
28
29
March
28.3
29
29
27
28
30
April
24.6
25
24
25
21
May
21.8
23
19
22
20
June
20.0
21
18
19
19
July
21.3
21
24
20
19
August
23.0
24
22
25
23
September
25.4
27
21
27
27
October
25.2
24
24
25
28
November
27.6
28
26
29
28
December
29.4
29
30
31
29
Average
25.9
29.6
25.6
24.5
25.3
25.4
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.