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
75.5
72
100
100
February
62.7
64
56
March
81.4
94
31
91
April
100.0
100
100
May
100.0
100
100
June
95.7
95
100
July
98.8
99
100
August
96.0
96
September
97.7
98
100
October
68.6
64
93
November
65.7
70
100
45
December
92.0
92
100
60
100
Average
76.0
73.9
89.7
56.0
87.1
73.4
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
28.4
29
24
28
February
31.2
32
30
March
32.6
35
33
27
April
32.6
32
40
May
33.7
34
33
June
30.4
30
33
July
29.9
31
28
August
28.3
28
September
27.9
28
27
October
29.7
30
30
November
30.9
32
29
30
December
29.7
29
29
31
32
Average
30.4
31.7
30.2
30.4
29.3
30.5
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
2022
2021
2020
January
20.4
19
24
25
February
21.3
19
26
March
27.4
28
29
25
April
30.0
29
39
May
26.0
25
33
June
25.8
24
33
July
24.8
24
26
August
22.5
23
September
24.3
24
27
October
24.0
23
26
November
23.9
23
27
25
December
22.1
18
29
28
29
Average
25.5
21.8
23.3
28.2
27.4
26.7
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
2022
2021
2020
January
0.0
0
0
0
February
0.0
0
0
March
0.0
0
0
0
April
0.0
0
0
May
0.0
0
0
June
0.0
0
0
July
0.0
0
0
August
1.6
2
September
1.1
1
0
October
0.0
0
0
November
0.0
0
0
0
December
0.0
0
0
0
0
Average
0.0
0.3
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
2022
2021
2020
January
9.9
10
10
10
February
8.9
8
12
March
8.6
7
11
13
April
6.5
7
2
May
7.2
7
7
June
6.6
7
8
July
6.4
6
7
August
6.5
7
September
5.4
6
3
October
6.6
6
7
November
8.8
9
5
10
December
9.6
9
9
12
11
Average
8.9
8.7
7.2
9.6
9.5
9.7
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
2022
2021
2020
January
079°
069°
083°
February
079°
086°
March
087°
078°
090°
April
248°
090°
May
241°
242°
June
234°
233°
July
235°
234°
August
235°
September
206°
209°
October
080°
069°
November
075°
145°
073°
December
076°
129°
063°
085°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.