Aviosuperficie AS77

IT-0302 · Friuli Venezia Giulia, Italy

Climate Aviosuperficie AS77 2020-2024

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

Calculated from historical METAR data of Rivolto Air Base (LIPI) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 79.5 80 71 80 95 87
February 69.5 66 61 80 72 59
March 87.4 89 93 93 94
April 89.7 94 90 89 98
May 92.7 95 97 88 89
June 96.5 98 99 100 86
July 99.3 99 100 99 100
August 98.6 97 100 100 98
September 95.9 98 95 99 93
October 83.7 77 91 90 74
November 82.4 87 87 80 85
December 76.6 75 77 83 67
Average 86.6 72.7 88.6 92.4 90.4 86.5

40th best VFR conditions of Italy

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 88.7 91 84 84 99 93
February 77.3 78 69 85 86 67
March 94.6 96 99 99 94
April 96.2 98 99 93 100
May 97.5 99 98 96 99
June 99.2 99 100 100 98
July 99.7 100 100 100 100
August 99.7 99 100 100 100
September 98.7 100 99 100 97
October 92.1 93 99 94 87
November 90.4 96 90 89 86
December 87.9 86 90 93 79
Average 92.8 84.6 94.4 96.3 95.4 92.4

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 8.3 9 9 8 6 10
February 10.6 13 10 11 10 11
March 14.2 15 16 14 13
April 17.2 16 16 16 19
May 21.7 22 24 19 22
June 27.4 27 29 28 24
July 29.6 29 32 29 29
August 29.5 29 30 28 29
September 24.7 27 23 26 25
October 19.6 22 22 18 17
November 13.8 14 14 13 15
December 8.7 10 8 9 9
Average 17.8 10.9 19.2 19.9 17.7 18.4

72nd highest temperature of Italy

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 -1.8 0 3 -2 -2 0
February 2.0 5 1 0 3 3
March 3.3 5 1 2 4
April 7.6 6 6 7 7
May 12.8 13 13 11 12
June 17.4 16 18 19 16
July 19.2 19 20 21 18
August 19.1 19 19 19 19
September 15.0 17 13 16 16
October 10.3 12 11 8 9
November 5.9 5 6 6 5
December 1.4 2 2 0 3
Average 8.7 2.2 9.7 9.2 8.9 9.1

14th lowest temperature of Italy

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 5.3 7 9 2 1 4
February 8.5 20 0 6 8 10
March 4.6 4 5 0 8
April 8.6 9 6 8 1
May 12.2 22 5 15 5
June 3.9 5 3 1 13
July 1.3 2 0 3 1
August 2.5 7 1 1 2
September 4.2 1 5 3 7
October 6.2 10 2 5 8
November 11.1 8 8 12 3
December 13.5 9 26 8 24
Average 7.4 13.4 7.2 4.5 5.5 7.0

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 2.9 5 4 4 5 3
February 3.2 4 5 5 4 5
March 3.9 5 5 4 7
April 4.8 5 5 5 7
May 3.8 6 6 5 6
June 3.1 5 5 4 5
July 3.2 4 5 5 4
August 2.3 0 5 5 5
September 3.4 2 5 5 5
October 3.3 5 3 5 4
November 3.6 4 4 6 4
December 3.3 3 5 4 5
Average 3.2 4.5 3.9 4.9 4.8 4.9

72nd highest wind speed of Italy

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 028° 029° 016° 357° 023°
February 032° 047° 024° 030° 005°
March 076° 074° 053° 038°
April 072° 091° 065° 058°
May 031° 068° 080° 065°
June 064° 109° 107° 051°
July 047° 089° 088° 041°
August 360° 047° 039° 037°
September 047° 051° 067° 029°
October 056° 087° 037° 056°
November 022° 026° 038° 030°
December 353° 020° 006° 014°

Prevailing wind direction

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