Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 5 mi 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
86.4
86
February
96.9
97
March
100.0
100
April
May
June
July
August
September
October
November
92.1
92
December
96.1
96
Average
94.4
94.0
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 3⅛ mi 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
27.3
27
February
24.8
25
March
27.3
27
April
May
June
July
August
September
October
November
25.5
26
December
26.4
27
Average
26.3
26.5
26.2
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
January
23.5
24
February
20.0
20
March
23.1
23
April
May
June
July
August
September
October
November
18.1
18
December
23.2
23
Average
22.1
22.1
22.0
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
January
8.4
9
February
3.0
3
March
0.0
0
April
May
June
July
August
September
October
November
7.8
8
December
6.4
6
Average
5.4
4.0
6.8
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
3.4
3
February
5.7
6
March
4.9
5
April
May
June
July
August
September
October
November
3.8
4
December
3.5
4
Average
4.0
4.5
3.6
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
January
310°
February
191°
March
111°
April
May
June
July
August
September
October
November
098°
December
270°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.