Climate Londres / Heathrow Airport Climate data 1981

Data reported by the weather station: 37720 (EGLL)
Latitude: 51.48 | Longitude: -0.45 | Altitude: 24

°F°C
mi/hkm/h

Average climatic values ​​and annual totals

To calculate annual averages, we analyzed data of 364 days (99.73% of year).

If in the average or annual total of some data is missing information of 10 or more days, this is not displayed.

The total rainfall value 0 (zero) may indicate that there has been no such measurement and / or the weather station does not broadcast.

DataValueComputed days
Average annual temperature:10.3°C364
Annual average maximum temperature:14.1°C364
Average annual minimum temperature:6.4°C364
Annual average humidity:79.5%364
Rain or snow precipitation total annual:722.09 mm364
Annual average visibility:9.6 Km364
Annual average wind speed:13.4 km/h364

To calculate the average temperature used 8733 measurements.
To calculate the average wind speed used 8733 measurements.

Total occurrences

Number of days with extraordinary phenomena.

Total days with rain:263
Total days with snow:26
Total days with thunderstorm:18
Total days with fog:35
Total days with tornado or funnel cloud:0
Total days with hail:4

Days of extreme historical values ​​in 1981

The highest temperature recorded was 29°C on 5 August.
The lowest temperature recorded was -12°C on 13 December.
The maximum wind speed recorded was 77.8 km/h on 14 January.

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