Hyvinkää Airfield

EFHV · Uusimaa, Finland

Climate Hyvinkää Airfield 2020-2024

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

Calculated from historical METAR data of Helsinki Vantaa Airport (EFHK) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 32.1 39 30 35 19 42
February 45.2 40 42 38 49 42
March 59.7 42 57 83 54 65
April 75.5 51 91 82 72 84
May 88.1 99 94 86 78 90
June 92.2 94 98 92 95 92
July 89.1 90 90 95 84
August 80.6 69 88 69 85
September 72.0 68 84 76 69
October 50.6 57 51 38 55
November 31.5 30 14 39 52
December 27.7 30 31 44 13
Average 70.2 67.8 71.3 73.9 67.8 71.9

VFR conditions during daylight period

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 2021 2020
January 52.0 63 49 51 41 60
February 64.9 57 68 60 66 70
March 75.5 60 78 95 68 78
April 86.8 81 97 90 84 91
May 94.1 99 97 93 89 95
June 96.0 99 100 93 97 96
July 96.6 99 97 98 94
August 91.6 82 97 88 92
September 88.2 86 96 92 86
October 75.1 86 71 70 81
November 63.9 66 57 77 83
December 58.3 59 67 66 48
Average 83.7 81.9 85.7 86.2 82.7 85.3

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 2021 2020
January -2.9 -5 0 -1 -2 4
February -1.1 -2 0 0 -5 3
March 2.6 4 1 5 2 5
April 8.7 7 11 8 9 9
May 15.9 20 16 14 15 14
June 21.4 22 22 22 24 22
July 22.2 21 23 26 20
August 21.0 21 24 19 21
September 15.3 18 14 13 17
October 9.0 7 11 10 11
November 3.9 1 4 4 6
December -1.8 -3 -2 -4 2
Average 9.6 7.5 9.7 10.3 9.3 11.0

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 -7.6 -13 -4 -7 -7 0
February -7.1 -6 -6 -6 -13 -3
March -5.3 -3 -6 -5 -5 -3
April -1.3 0 -1 -2 0 0
May 4.3 6 3 4 5 3
June 10.1 11 8 11 12 11
July 12.0 11 12 14 11
August 11.6 13 13 12 10
September 7.4 10 5 6 9
October 3.3 2 4 6 5
November -1.7 -3 0 -1 2
December -5.6 -7 -8 -10 -1
Average 1.8 -1.1 1.7 2.1 1.6 3.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 41.2 47 36 46 53 30
February 32.9 37 34 39 29 32
March 21.4 19 26 10 29 22
April 14.6 27 2 16 15 15
May 8.9 1 7 15 14 10
June 6.6 6 3 7 3 8
July 8.4 11 8 4 14
August 11.1 21 2 15 12
September 11.9 9 11 9 13
October 23.8 25 20 23 16
November 30.6 42 38 25 22
December 38.3 51 46 26 46
Average 16.8 17.6 17.4 16.1 16.7 16.7

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 9.3 10 9 11 8 11
February 9.3 9 9 10 7 12
March 9.4 7 9 8 10 11
April 9.1 9 9 9 10 10
May 8.6 8 9 10 9 9
June 8.6 9 7 9 8 8
July 8.1 8 8 8 9
August 8.6 8 9 10 7
September 8.8 9 7 9 9
October 9.2 10 9 11 9
November 8.7 7 9 9 10
December 8.6 7 6 8 9
Average 8.8 8.3 8.4 8.7 8.9 9.2

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 228° 188° 277° 056° 234°
February 132° 269° 198° 342° 218°
March 146° 245° 260° 244° 221°
April 313° 060° 278° 231° 283°
May 205° 227° 237° 154° 290°
June 206° 263° 213° 205° 110°
July 218° 228° 210° 213°
August 140° 161° 184° 222°
September 209° 020° 338° 215°
October 303° 222° 198° 164°
November 038° 064° 266° 202°
December 029° 076° 298° 151°

Prevailing wind direction

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