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
2020
January
100.0
100
February
0.0
0
March
80.0
100
100
0
April
May
June
100.0
100
July
0.0
0
August
100.0
100
September
October
0.0
0
November
100.0
100
December
0.0
0
0
Average
58.3
66.6
66.6
100.0
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
2020
January
25.0
25
February
23.0
23
March
25.6
27
30
20
April
May
June
31.0
31
July
23.0
23
August
29.0
29
September
October
22.0
22
November
23.0
23
December
21.6
22
21
Average
25.1
25.0
24.2
21.5
30.0
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
2022
2020
January
25.0
25
February
23.0
23
March
25.3
27
29
20
April
May
June
31.0
31
July
23.0
23
August
29.0
29
September
October
22.0
22
November
23.0
23
December
21.6
22
21
Average
25.1
25.0
24.0
21.5
30.0
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
2022
2020
January
100.0
100
February
100.0
100
March
20.0
0
0
100
April
May
June
0.0
0
July
100.0
100
August
0.0
0
September
October
100.0
100
November
100.0
100
December
100.0
100
100
Average
54.1
66.6
50.0
100.0
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
2020
January
2.0
2
February
8.0
8
March
3.6
3
4
2
April
May
June
0.0
0
July
4.0
4
August
4.0
4
September
October
4.0
4
November
5.0
5
December
8.3
10
5
Average
4.1
4.3
6.3
3.7
2.0
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
2022
2020
January
360°
February
153°
March
090°
350°
315°
April
May
June
360°
July
090°
August
303°
September
October
090°
November
360°
December
285°
360°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.