Pian Rosà

LIMH · Aosta Valley, Italy

Climate Pian Rosà 2020-2024

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

Calculated from historical METAR data of Aosta Airport (LIMW) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 95.3 93 95 98 81 99
February 92.6 99 99 78 94
March 93.8 95 98 98 82
April 96.6 99 99 96 60
May 97.7 98 99 100 100
June 98.1 98 99 100 98
July 99.2 99 100 100 99
August 99.3 100 100 100 100
September 98.6 100 99 98 100
October 92.2 96 95 94 94
November 89.6 94 96 88 97
December 86.2 89 77 87 90
Average 95.4 93.2 97.1 97.6 95.0 96.8

3rd 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 96.8 95 98 99 86 99
February 95.6 100 100 89 96
March 97.9 99 99 99 88
April 99.6 99 99 99 100
May 99.8 100 100 100 100
June 99.3 99 100 100 99
July 99.5 99 100 100 100
August 99.7 100 100 100 100
September 99.7 100 100 100 100
October 97.8 99 98 99 98
November 97.0 95 99 95 100
December 92.0 94 82 92 97
Average 97.8 94.7 98.7 98.8 97.6 98.4

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 6.4 9 7 8 2 6
February 11.2 13 13 9 13
March 13.6 15 14 14 10
April 17.1 18 19 15 5
May 21.8 22 25 20 25
June 27.2 27 29 28 25
July 30.5 31 33 29 30
August 29.8 31 31 29 30
September 25.1 26 24 25 24
October 18.2 21 21 17 15
November 10.5 11 12 11 10
December 4.5 7 1 3 3
Average 16.9 8.8 19.0 19.7 16.8 16.8

74th 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 -2.7 0 -1 -3 -2 -3
February 1.1 1 3 2 3
March 3.2 4 2 4 4
April 6.1 6 6 6 5
May 10.9 12 13 10 12
June 15.0 15 16 16 14
July 17.2 20 18 16 17
August 16.8 20 17 15 17
September 13.3 14 13 14 14
October 9.1 10 11 7 8
November 3.4 3 4 3 2
December -1.6 2 -3 -2 -1
Average 6.9 8.8 8.3 7.4 7.6

12th 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 3.9 9 4 0 11 1
February 5.6 1 1 8 7
March 8.1 13 3 0 19
April 9.2 5 7 8 0
May 10.5 17 5 9 1
June 7.3 8 7 5 10
July 3.5 3 2 8 3
August 4.7 5 2 3 8
September 3.8 4 7 6 3
October 11.5 10 8 6 10
November 12.9 20 7 10 0
December 11.9 10 16 12 3
Average 7.5 8.6 8.4 5.0 6.7 5.8

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 4.6 5 4 4 5 3
February 5.9 6 8 3 8
March 6.9 7 6 7 6
April 8.0 8 9 8 5
May 7.9 8 9 9 8
June 7.6 8 8 7 8
July 8.5 11 9 8 9
August 7.8 9 8 8 8
September 7.3 7 8 6 7
October 4.7 5 4 5 5
November 3.6 6 4 3 2
December 3.8 5 2 3 3
Average 6.4 4.6 7.1 7.0 6.3 6.4

74th 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 283° 270° 275° 263° 290°
February 119° 267° 132° 261°
March 243° 096° 155° 252°
April 250° 101° 094° 095°
May 099° 097° 226° 097°
June 098° 105° 106° 099°
July 114° 099° 105° 096°
August 101° 096° 100° 096°
September 097° 123° 103° 109°
October 106° 116° 113° 151°
November 268° 245° 246° 256°
December 273° 276° 277° 275°

Prevailing wind direction

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