Bellingham International Airport

KBLI · Washington, United States

Statistics Bellingham International Airport 2019-2022

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

Calculated from historical METAR data of Bellingham International Airport (KBLI) between 2019 and 2022.

VFR conditions (%)

Month Average 2022 2021 2020 2019
January 70.9 55 68 58 84
February 66.4 71 67 58 71
March 77.8 68 79 82 90
April 86.2 95 89 93 80
May 81.2 74 85 88 79
June 88.3 87 93 84 88
July 90.6 90 90 88 83
August 78.6 93 80 88 77
September 79.3 86 88 62 76
October 74.6 69 77 67 79
November 76.2 79 68 72 77
December 66.8 59 65 67 65
Average 79.0 78.5 80.1 76.9 79.5

1,670th 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 2022 2021 2020 2019
January 91.7 72 93 95 98
February 89.1 89 90 85 91
March 95.4 88 98 97 96
April 98.0 100 99 97 97
May 95.7 95 94 96 94
June 97.4 95 98 99 98
July 97.6 97 96 98 98
August 88.7 96 93 95 94
September 87.6 89 93 70 89
October 89.3 81 94 82 98
November 92.8 91 88 96 90
December 89.5 83 86 88 91
Average 93.0 90.5 93.7 91.7 94.8

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 2022 2021 2020 2019
January 8.0 7 9 8 9
February 6.9 8 6 8 4
March 11.1 12 12 10 13
April 14.3 13 16 15 15
May 18.4 15 18 19 20
June 21.0 20 24 20 21
July 23.7 24 24 23 23
August 24.0 26 23 23 24
September 20.7 22 20 22 19
October 14.9 18 14 14 14
November 10.4 8 11 10 11
December 6.7 4 4 9 8
Average 15.1 15.1 15.1 15.2 15.0

1,885th 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 2022 2021 2020 2019
January 1.8 1 3 2 2
February 0.7 2 2 2 -3
March 3.2 5 3 2 2
April 6.0 5 6 6 7
May 9.3 8 9 10 10
June 11.9 12 13 12 12
July 13.6 14 14 13 14
August 13.7 15 14 13 14
September 11.6 11 11 12 13
October 7.0 8 8 8 6
November 4.3 0 6 5 5
December 1.2 -2 -1 3 4
Average 7.1 6.8 7.4 7.3 7.1

1,188th lowest temperature of United States

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2022 2021 2020 2019
January 15.6 11 20 25 6
February 18.7 14 26 18 16
March 12.8 16 11 8 2
April 11.3 8 8 7 15
May 9.0 17 6 11 7
June 10.4 13 12 14 3
July 2.6 2 0 7 5
August 2.9 1 4 4 6
September 8.8 1 16 7 10
October 14.2 12 22 10 15
November 19.7 15 34 18 9
December 19.4 14 21 20 20
Average 11.4 9.8 13.9 11.6 9.1

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 2022 2021 2020 2019
January 7.6 6 7 10 6
February 7.9 6 8 5 11
March 7.1 6 7 8 6
April 6.9 7 6 6 7
May 5.8 6 6 6 6
June 6.5 6 6 6 8
July 6.3 5 7 6 7
August 5.9 6 6 6 6
September 5.4 6 5 5 7
October 5.7 5 7 6 6
November 7.3 6 7 8 6
December 6.6 7 9 6 5
Average 6.5 5.9 6.7 6.5 6.6

1,885th 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 2022 2021 2020 2019
January 139° 144° 146° 096°
February 074° 095° 170° 027°
March 141° 181° 137° 006°
April 176° 201° 150° 187°
May 177° 194° 175° 190°
June 188° 197° 185° 183°
July 192° 189° 196° 181°
August 198° 187° 195° 189°
September 205° 179° 187° 170°
October 182° 146° 178° 153°
November 045° 161° 164° 037°
December 044° 052° 138° 093°

Prevailing wind direction

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

We and third parties follow your internet behavior on our website with cookies. If you continue, we assume you agree with our cookie policy.