Santa Monica Municipal Airport

KSMO · California, United States

Climate Santa Monica Municipal Airport 2020-2024

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of Santa Monica Municipal Airport (KSMO) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 84.5 86 77 91 93 88
February 85.6 78 82 96 92 93
March 83.3 67 91 93 85
April 81.0 58 92 86 84
May 67.3 53 68 63 79
June 61.4 61 65 69 68
July 77.7 79 74 80 71
August 81.9 78 87 86 84
September 78.8 70 91 76 73
October 84.8 89 70 86 81
November 86.6 98 91 67 84
December 87.9 91 87 67 94
Average 79.8 81.8 74.1 82.5 79.4 81.8

VFR conditions during daylight period

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 2022 2021 2020
January 92.8 96 87 94 96 96
February 93.8 91 93 99 98 97
March 90.7 77 95 99 94
April 92.6 79 99 97 92
May 92.8 83 98 98 91
June 88.4 93 86 84 95
July 91.8 90 90 91 89
August 93.4 88 95 96 92
September 94.4 97 98 91 96
October 95.2 95 95 95 94
November 92.6 100 95 79 89
December 94.0 96 96 80 99
Average 92.7 93.0 89.5 94.8 92.0 93.5

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 2022 2021 2020
January 18.5 18 16 20 19 18
February 17.7 17 17 20 19 19
March 18.1 16 20 18 17
April 19.5 18 21 20 19
May 19.2 18 20 19 21
June 21.2 19 22 21 23
July 23.5 23 23 23 22
August 24.5 24 25 24 25
September 24.7 23 28 23 25
October 23.9 23 23 22 24
November 21.4 23 20 21 20
December 18.7 20 16 16 20
Average 20.5 17.1 19.9 21.4 20.3 20.8

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2024 2023 2022 2021 2020
January 9.6 9 8 9 9 10
February 9.5 10 8 10 10 10
March 10.3 9 11 9 11
April 12.3 11 13 12 13
May 13.5 13 14 14 15
June 14.7 15 16 16 17
July 17.7 17 17 18 16
August 18.2 18 19 17 18
September 18.1 18 20 16 18
October 15.5 15 16 14 16
November 12.1 12 10 13 11
December 10.0 11 9 9 9
Average 13.0 9.4 12.8 13.7 13.0 13.3

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 6.0 6 12 2 2 0
February 6.8 17 9 0 0 1
March 7.2 16 2 3 9
April 1.1 0 0 0 7
May 0.9 1 0 0 1
June 0.1 0 0 0 1
July 0.0 0 0 0 0
August 0.5 3 0 0 0
September 0.2 0 0 0 0
October 0.5 0 1 2 0
November 2.1 2 5 0 1
December 4.8 5 7 14 2
Average 3.4 11.4 3.8 1.1 1.6 2.0

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 2021 2020
January 4.7 5 5 4 5 4
February 5.4 5 6 5 5 5
March 5.9 6 6 6 6
April 6.0 5 7 6 6
May 5.9 6 6 6 6
June 5.5 5 6 6 6
July 5.7 5 6 6 6
August 5.6 6 6 6 6
September 5.3 5 6 5 5
October 5.2 5 5 5 5
November 4.5 4 5 4 5
December 4.2 4 4 4 4
Average 5.3 4.6 5.2 5.5 5.3 5.3

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month 2024 2023 2022 2021 2020
January 225° 208° 225° 206° 229°
February 205° 216° 227° 244° 226°
March 230° 230° 233° 226°
April 232° 236° 232° 226°
May 227° 232° 231° 231°
June 229° 228° 230° 231°
July 224° 229° 230° 231°
August 221° 229° 231° 230°
September 219° 227° 228° 226°
October 217° 231° 232° 229°
November 219° 228° 227° 234°
December 222° 231° 215° 246°

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.