Climate Londres / Heathrow Airport Climate data 1991

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 365 days (100% 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:10.7°C365
Annual average maximum temperature:14.5°C365
Average annual minimum temperature:6.8°C365
Annual average humidity:77%365
Rain or snow precipitation total annual:555.95 mm365
Annual average visibility:9.5 Km364
Annual average wind speed:12.2 km/h365

To calculate the average temperature used 8759 measurements.
To calculate the average wind speed used 8759 measurements.

Total occurrences

Number of days with extraordinary phenomena.

Total days with rain:235
Total days with snow:12
Total days with thunderstorm:10
Total days with fog:26
Total days with tornado or funnel cloud:1
Total days with hail:4

Days of extreme historical values ​​in 1991

The highest temperature recorded was 29.7°C on 1 September.
The lowest temperature recorded was -9°C on 10 February.
The maximum wind speed recorded was 98.2 km/h on 23 December.

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