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
January
97.4
100
100
February
94.8
94
March
96.1
96
April
May
June
July
August
September
October
100.0
100
November
100.0
100
December
100.0
100
Average
95.4
96.8
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
January
26.7
27
23
February
29.2
30
March
31.9
32
April
May
June
July
August
September
October
30.4
30
November
30.2
30
December
26.1
26
Average
27.8
29.7
28.2
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
January
20.0
21
21
February
21.6
22
March
24.1
24
April
May
June
July
August
September
October
25.7
26
November
23.6
24
December
18.6
19
Average
20.4
22.3
21.5
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
January
0.0
0
0
February
0.0
0
March
0.4
0
April
May
June
July
August
September
October
0.0
0
November
0.0
0
December
0.0
0
Average
0.0
0.1
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
2023
January
9.2
8
16
February
10.0
11
March
12.2
12
April
May
June
July
August
September
October
8.2
8
November
7.7
8
December
6.4
6
Average
9.2
10.4
7.3
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
January
128°
161°
February
141°
March
149°
April
May
June
July
August
September
October
352°
November
051°
December
352°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.