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
January
100.0
100
100
100
February
98.9
96
100
100
March
100.0
100
100
100
April
96.5
100
96
May
87.5
83
91
June
97.2
96
98
July
98.5
97
100
August
94.2
88
100
September
91.6
88
95
October
92.1
93
91
November
100.0
100
100
December
100.0
100
100
Average
97.1
98.7
94.8
97.9
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
January
27.9
26
27
30
February
28.3
27
28
31
March
29.4
29
29
31
April
30.8
30
32
May
29.4
30
29
June
29.3
30
28
July
28.0
29
27
August
27.9
29
28
September
29.3
30
29
October
28.9
29
28
November
28.7
28
29
December
27.2
26
29
Average
28.5
27.4
28.7
29.3
Average highest temperature per day
The maximum temperature is typically observed some hours after noon.
Minimum temperatures (°C)
Month
Average
2024
2023
2022
January
23.7
24
25
23
February
23.8
22
26
24
March
24.8
24
26
25
April
26.5
27
26
May
27.3
28
27
June
26.3
27
25
July
26.0
27
25
August
26.4
27
26
September
25.8
28
23
October
25.4
26
25
November
25.9
25
27
December
23.8
23
26
Average
24.8
23.1
26.2
25.1
Average lowest temperature per day
The minimum temperature is typically observed just before sunrise.
Precipitation (%)
Month
Average
2024
2023
2022
January
0.0
0
0
0
February
0.0
0
0
0
March
0.7
0
4
0
April
1.1
0
2
May
9.3
10
9
June
9.0
8
10
July
8.8
12
6
August
17.3
16
19
September
19.4
9
28
October
7.8
5
14
November
1.3
0
3
December
0.0
0
0
Average
3.9
6.0
5.9
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
January
4.4
1
5
5
February
4.8
2
7
6
March
5.8
4
6
6
April
5.8
7
5
May
4.9
4
6
June
3.5
4
3
July
3.6
5
3
August
4.0
4
4
September
3.7
4
4
October
2.7
2
5
November
2.1
1
3
December
2.8
2
3
Average
3.8
2.9
3.8
4.6
Average wind speed
Excluding wind gusts. Only observations between sunrise and sunset are taken into account.
Prevailing wind direction
Month
2024
2023
2022
January
234°
243°
229°
February
259°
229°
234°
March
238°
229°
236°
April
235°
241°
May
246°
213°
June
208°
202°
July
347°
233°
August
253°
243°
September
244°
096°
October
072°
216°
November
222°
227°
December
195°
238°
Prevailing wind direction
Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.