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
January
83.2
83
February
73.6
75
72
March
80.1
71
90
April
87.1
98
76
May
97.8
98
June
97.4
98
July
98.3
98
August
99.4
100
September
96.1
96
October
99.1
99
November
99.6
100
December
96.7
97
Average
87.7
82.1
93.3
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
January
19.6
20
February
21.2
21
22
March
23.6
23
24
April
27.6
29
26
May
30.7
31
June
31.8
32
July
33.3
33
August
31.3
31
September
31.1
31
October
30.0
30
November
27.0
27
December
22.4
23
Average
25.7
23.2
28.2
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
January
15.2
15
February
16.1
16
17
March
18.2
18
19
April
22.6
23
22
May
24.8
25
June
26.0
26
July
27.0
27
August
26.0
26
September
25.2
25
October
23.0
23
November
19.1
19
December
15.1
15
Average
20.1
18.0
22.2
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
January
15.5
16
February
9.2
8
11
March
9.6
14
5
April
5.1
2
9
May
5.1
5
June
14.2
14
July
6.2
6
August
7.5
8
September
14.0
14
October
2.6
3
November
2.4
2
December
2.0
2
Average
8.4
9.8
7.1
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
January
5.1
5
February
4.9
5
5
March
4.6
4
5
April
5.1
6
4
May
6.0
6
June
4.9
5
July
6.4
6
August
4.3
4
September
4.8
5
October
5.7
6
November
5.2
5
December
5.0
5
Average
5.1
5.1
5.1
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
January
047°
February
080°
070°
March
114°
121°
April
193°
110°
May
151°
June
154°
July
183°
August
161°
September
050°
October
050°
November
057°
December
040°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.