Viterbo Airport

LIRV · Latium, Italy

Climate Viterbo Airport 2020-2024

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

Calculated from historical METAR data of Rome–Fiumicino Leonardo da Vinci International Airport (LIRF) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 93.9 90 88 96 90 97
February 90.7 87 94 87 89
March 92.9 90 96 91 93
April 93.6 94 98 91 92
May 96.7 96 98 96 100
June 96.9 98 97 99 95
July 98.2 99 99 98 98
August 98.1 97 100 99 94
September 97.9 100 98 96 96
October 95.8 93 95 97 97
November 93.4 89 95 92 96
December 90.2 88 78 93 91
Average 94.7 90.3 93.9 96.3 94.4 95.0

17th 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 99.1 100 98 98 99 99
February 98.1 98 100 94 98
March 99.1 99 100 99 100
April 98.3 99 100 99 99
May 99.4 100 99 100 100
June 99.1 100 100 99 100
July 99.4 100 99 99 99
August 99.5 100 100 100 98
September 99.5 100 100 100 99
October 99.4 99 100 100 100
November 99.1 99 99 99 100
December 99.3 100 99 99 99
Average 99.2 99.6 99.4 99.4 98.9 99.2

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 13.1 15 14 13 12 14
February 14.4 14 15 15 16
March 15.8 16 15 15 16
April 18.6 18 18 17 19
May 22.4 22 25 21 24
June 27.8 27 31 28 26
July 30.3 31 31 30 30
August 30.4 30 31 30 31
September 26.9 29 27 28 27
October 22.9 25 23 22 21
November 18.0 19 19 18 18
December 14.5 15 15 14 14
Average 20.4 14.5 21.7 22.1 20.9 21.1

30th 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 3.9 6 5 4 4 3
February 4.7 3 5 6 5
March 5.9 7 4 5 6
April 8.2 8 8 8 8
May 12.8 14 13 12 14
June 17.2 17 19 17 16
July 19.7 20 20 20 19
August 20.1 19 21 21 21
September 16.8 18 18 17 17
October 13.1 16 14 12 11
November 9.7 10 9 11 9
December 5.8 7 9 5 6
Average 10.8 5.9 12.0 11.9 11.2 11.1

50th 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 10.0 8 12 5 20 2
February 5.9 2 1 6 1
March 6.7 6 2 7 6
April 6.5 6 2 8 7
May 6.6 12 3 5 1
June 1.6 2 2 2 1
July 0.5 0 0 1 0
August 1.8 4 1 1 3
September 2.9 1 4 0 6
October 4.1 4 2 5 5
November 11.9 10 7 17 2
December 11.1 4 20 14 18
Average 5.7 8.0 5.0 2.9 6.3 3.9

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 7.9 7 8 7 9 6
February 8.1 7 9 8 8
March 8.6 9 8 8 8
April 8.0 8 9 8 7
May 7.6 7 7 8 8
June 7.8 7 8 7 9
July 8.2 8 8 8 8
August 8.0 8 8 8 8
September 7.6 8 9 7 7
October 7.9 9 6 8 8
November 7.7 9 7 7 6
December 7.8 7 8 8 8
Average 7.8 7.1 7.7 7.9 7.8 7.6

30th 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 066° 003° 041° 154° 072°
February 043° 304° 171° 220°
March 178° 308° 327° 277°
April 277° 227° 186° 250°
May 271° 242° 212° 237°
June 247° 255° 238° 230°
July 215° 257° 217° 265°
August 236° 243° 225° 236°
September 275° 192° 227° 237°
October 197° 205° 030° 218°
November 231° 041° 116° 055°
December 073° 123° 099° 157°

Prevailing wind direction

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