Deelen Air Base

EHDL · Gelderland, Netherlands

Climate Deelen Air Base 2020-2024

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

Calculated from historical METAR data of Deelen Air Base (EHDL) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 37.1 45 32 24 43 25
February 55.7 41 54 62 48
March 65.7 51 86 64 69
April 78.5 67 75 73 91
May 80.4 80 89 69 89
June 81.9 88 87 75 85
July 78.4 76 83 64 71
August 78.6 77 91 70 81
September 74.1 76 82 69 73
October 64.2 60 75 65 59
November 48.8 43 64 36 55
December 33.6 28 39 34 26
Average 65.7 44.9 64.4 75.6 62.9 69.0

12th best VFR conditions of Netherlands

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 71.5 81 77 64 71 54
February 82.9 75 85 80 91
March 89.0 85 94 89 88
April 93.2 88 90 95 96
May 93.9 92 98 90 97
June 94.3 98 97 88 96
July 92.3 88 93 87 88
August 91.3 90 98 90 93
September 88.6 91 89 89 87
October 86.7 85 90 85 87
November 76.5 77 87 67 77
December 63.1 70 58 55 63
Average 86.6 80.8 86.3 89.8 84.3 87.1

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 5.9 6 7 7 5 8
February 8.0 9 9 8 9
March 10.8 10 13 10 10
April 14.4 13 14 11 18
May 18.9 19 20 15 19
June 23.3 26 23 24 23
July 23.4 23 24 22 21
August 23.6 22 27 21 26
September 20.0 23 20 21 21
October 15.5 16 17 15 14
November 9.8 10 11 9 12
December 6.8 8 3 7 7
Average 13.9 5.8 15.4 15.9 14.0 15.5

7th highest temperature of Netherlands

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 1.0 0 3 2 0 3
February 1.1 1 3 0 4
March 2.1 3 1 1 2
April 3.3 3 3 1 4
May 7.1 8 8 6 5
June 12.2 13 10 13 13
July 12.6 13 12 13 11
August 12.9 13 14 12 15
September 10.1 12 9 11 9
October 8.3 10 9 7 8
November 3.9 4 5 3 5
December 2.4 4 -2 2 3
Average 5.7 0.1 7.2 6.3 5.8 6.7

3rd lowest temperature of Netherlands

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 14.7 14 18 11 16 11
February 12.8 12 19 13 19
March 11.4 23 3 8 7
April 6.0 11 9 8 2
May 6.1 5 3 13 3
June 5.3 3 6 5 8
July 6.7 11 2 6 13
August 5.9 8 2 7 5
September 8.5 5 12 5 5
October 12.6 17 8 12 16
November 13.6 19 10 11 10
December 17.0 18 5 13 18
Average 9.7 14.2 11.2 6.8 8.9 8.8

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 2024 2023 2022 2021 2020
January 8.7 10 10 8 8 9
February 9.9 8 13 9 13
March 9.4 10 8 9 11
April 8.3 9 9 8 8
May 7.5 8 7 8 8
June 7.1 7 7 6 7
July 6.9 9 7 6 7
August 6.9 7 7 7 7
September 6.8 7 6 6 7
October 8.4 8 8 8 9
November 7.9 10 9 6 8
December 8.3 10 6 8 8
Average 8.0 9.5 8.3 7.6 7.3 8.3

7th highest wind speed of Netherlands

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 223° 222° 245° 230° 209°
February 261° 232° 152° 221°
March 230° 102° 254° 215°
April 317° 339° 332° 080°
May 004° 258° 231° 330°
June 001° 258° 329° 228°
July 228° 282° 256° 244°
August 246° 342° 266° 217°
September 175° 239° 205° 216°
October 202° 201° 199° 195°
November 211° 186° 224° 193°
December 227° 154° 204° 188°

Prevailing wind direction

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