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
January
100.0
100
100
February
100.0
100
100
100
March
100.0
100
100
April
100.0
100
May
95.8
96
June
97.8
97
100
July
100.0
100
100
August
98.5
100
97
September
100.0
100
100
October
100.0
100
100
November
100.0
100
100
December
100.0
100
100
Average
99.5
100.0
99.3
99.4
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
January
32.2
34
30
February
29.5
32
27
28
March
28.6
33
27
April
26.5
27
May
24.5
25
June
24.6
25
25
July
25.3
24
27
August
26.6
28
26
September
26.4
29
24
October
27.7
32
24
November
26.5
33
24
December
28.8
32
29
Average
28.6
33.3
27.4
25.1
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
2022
January
26.9
28
26
February
25.7
27
24
28
March
26.1
30
25
April
22.1
22
May
21.1
21
June
19.2
19
20
July
20.9
20
22
August
20.5
22
19
September
21.2
23
19
October
22.7
25
20
November
21.7
25
21
December
25.0
24
25
Average
23.7
27.6
22.7
20.6
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
2022
January
3.0
0
8
February
2.4
0
6
0
March
0.0
0
0
April
2.9
3
May
4.1
4
June
4.3
3
8
July
0.0
0
0
August
1.4
0
3
September
5.0
0
10
October
6.6
5
9
November
4.7
7
4
December
0.0
0
0
Average
2.5
2.9
4.5
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
January
3.0
3
4
February
2.5
2
3
3
March
2.5
3
2
April
1.9
2
May
2.1
2
June
2.3
2
2
July
3.1
3
4
August
3.3
3
3
September
3.5
4
3
October
3.1
3
3
November
2.8
3
3
December
2.7
2
3
Average
2.8
2.6
2.8
3.0
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
2022
January
027°
025°
February
006°
048°
033°
March
017°
036°
April
151°
May
025°
June
016°
056°
July
017°
018°
August
017°
050°
September
025°
126°
October
357°
154°
November
056°
130°
December
360°
048°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.