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
2023
2020
January
100.0
100
February
100.0
March
100.0
April
100.0
May
100.0
June
100.0
July
100.0
0
August
100.0
100
0
September
October
November
100.0
December
0.0
Average
86.3
100.0
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
2023
2020
January
9.5
7
February
9.5
March
17.6
April
23.2
May
24.5
June
29.0
July
26.6
24
August
30.6
33
25
September
23.0
October
November
19.0
December
10.0
Average
23.4
33.0
18.6
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2023
2020
January
9.5
7
February
9.5
March
17.6
April
23.2
May
24.5
June
29.0
July
26.6
24
August
30.6
33
25
September
23.0
October
November
19.0
December
10.0
Average
23.4
33.0
18.6
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2023
2020
January
0.0
0
February
0.0
March
20.0
April
0.0
May
0.0
June
0.0
July
50.0
0
August
0.0
0
0
September
October
November
0.0
December
0.0
Average
2.3
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
2023
2020
January
1.5
0
February
5.5
March
5.4
April
8.2
May
9.0
June
9.0
July
7.5
0
August
6.0
3
0
September
October
November
1.0
December
4.0
Average
4.1
3.0
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2023
2020
January
360°
February
March
April
May
June
July
360°
August
360°
360°
September
October
November
December
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.