Mission Field

KLVM · Montana, United States

Statistics Mission Field 2019-2023

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

Calculated from historical METAR data of Mission Field (KLVM) between 2019 and 2023.

VFR conditions (%)

Month Average 2023 2022 2021 2020 2019
January 89.6 83 85 90 98 93
February 81.6 79 81 84 91 63
March 80.0 60 81 97 77 78
April 81.6 80 79 82 90 75
May 85.0 88 85 84 90 69
June 95.2 91 96 99 97 96
July 98.7 96 99 100 100 98
August 93.7 91 92 87 98 98
September 88.1 89 98 90 84
October 89.7 87 89 88 88
November 87.5 79 98 95 85
December 85.4 70 83 92 95
Average 88.2 83.5 85.9 91.1 92.1 85.3

619th best VFR conditions of United States

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met:
  • Visibility: 5 mi or more
  • Ceiling: 3,000 ft or more
Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month Average 2023 2022 2021 2020 2019
January 92.4 85 89 96 98 94
February 87.0 86 86 87 94 74
March 86.4 67 85 98 91 86
April 89.2 83 88 94 93 83
May 94.5 97 96 93 96 88
June 97.7 96 98 99 99 99
July 99.3 97 100 100 100 99
August 97.1 94 97 96 100 100
September 96.4 97 99 97 95
October 93.4 92 92 91 92
November 92.2 87 100 97 95
December 88.5 77 84 93 96
Average 93.1 88.3 91.8 95.1 95.8 91.9

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met:
  • Visibility: 3⅛ mi or more
  • Ceiling: 1,000 ft or more
Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month Average 2023 2022 2021 2020 2019
January 3.5 2 5 4 5 5
February 0.9 3 4 -4 4 -5
March 7.5 2 10 11 8 2
April 12.2 12 9 13 13 13
May 18.5 21 17 18 18 16
June 24.2 22 24 29 24 24
July 30.6 30 32 34 30 28
August 29.6 28 32 28 31 29
September 24.0 27 26 26 22
October 14.3 17 16 14 10
November 7.2 3 11 10 8
December 3.3 -1 4 6 5
Average 14.9 15.3 15.3 16.0 15.7 12.9

1,847th highest temperature of United States

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2023 2022 2021 2020 2019
January -6.4 -7 -4 -4 -3 -5
February -9.0 -6 -8 -11 -5 -15
March -4.0 -8 -3 -2 -3 -10
April -1.1 -1 -4 -1 -1 2
May 4.7 7 4 3 5 4
June 8.3 9 8 9 8 8
July 11.1 9 12 13 10 11
August 10.8 12 12 11 11 10
September 6.7 8 6 6 8
October 1.7 4 4 0 -1
November -3.8 -7 1 0 -3
December -6.7 -7 -6 -3 -3
Average 1.5 2.2 1.6 2.0 2.1 0.5

439th lowest temperature of United States

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2023 2022 2021 2020 2019
January 9.2 17 13 7 4 7
February 15.7 19 15 18 9 24
March 12.8 30 13 4 10 11
April 14.0 19 16 11 10 15
May 10.9 7 23 7 11 14
June 7.8 14 6 1 9 8
July 1.7 2 4 2 1 3
August 3.0 6 2 5 1 1
September 5.0 2 1 3 15
October 10.1 12 9 14 11
November 9.6 20 2 1 8
December 11.1 26 13 7 3
Average 9.2 14.0 11.9 6.2 6.7 9.8

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 2022 2021 2020 2019
January 17.5 16 21 17 18 18
February 17.1 20 20 15 18 13
March 13.3 10 16 15 15 9
April 12.7 13 14 13 13 12
May 10.8 10 12 10 12 12
June 9.7 8 10 9 11 10
July 8.0 8 8 9 9 8
August 9.3 10 10 11 9 9
September 11.3 9 13 13 12
October 14.9 12 14 15 17
November 17.8 17 21 20 16
December 18.4 17 20 18 20
Average 12.8 11.6 13.4 13.4 13.7 12.5

1,847th highest wind speed of United States

Average wind speed

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

Prevailing wind direction

Month 2023 2022 2021 2020 2019
January 243° 233° 231° 232° 244°
February 237° 234° 230° 241° 212°
March 279° 239° 241° 243° 285°
April 252° 256° 245° 257° 246°
May 066° 252° 301° 237° 074°
June 018° 261° 287° 259° 253°
July 315° 277° 288° 278° 287°
August 261° 277° 247° 285° 283°
September 278° 248° 251° 240°
October 262° 228° 247° 235°
November 251° 235° 236° 241°
December 237° 223° 239° 227°

Prevailing wind direction

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