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
2022
January
82.3
82
February
March
April
67.2
99
0
May
0.0
0
June
July
August
September
October
November
December
Average
57.4
99.3
15.5
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
2022
January
6.3
6
February
March
April
15.8
22
4
May
0.0
0
June
July
August
September
October
November
December
Average
13.4
21.8
5.0
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2022
January
4.7
5
February
March
April
7.4
11
0
May
0.0
0
June
July
August
September
October
November
December
Average
6.9
11.4
2.5
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2022
January
5.8
6
February
March
April
5.6
8
0
May
0.0
0
June
July
August
September
October
November
December
Average
4.6
8.2
1.1
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
2022
January
4.9
5
February
March
April
7.9
12
0
May
0.0
0
June
July
August
September
October
November
December
Average
6.3
11.6
0.9
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2022
January
268°
February
March
April
324°
360°
May
360°
June
July
August
September
October
November
December
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.