Data reported by the weather station: 724030 (KIAD)
Latitude: 38.93 | Longitude: -77.45 | Altitude: 95
To calculate annual averages, we analyzed data of 366 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.
| Data | Value | Computed days |
|---|---|---|
| Average annual temperature: | 15.1°C | 366 |
| Annual average maximum temperature: | 22.0°C | 366 |
| Average annual minimum temperature: | 8.5°C | 366 |
| Annual average humidity: | 62.7% | 364 |
| Rain or snow precipitation total annual: | 930.07 mm | 366 |
| Annual average visibility: | 15.2 Km | 366 |
| Annual average wind speed: | 10.8 km/h | 366 |
Number of days with extraordinary phenomena.
| Total days with rain: | 153 |
| Total days with snow: | 14 |
| Total days with thunderstorm: | 44 |
| Total days with fog: | 21 |
| Total days with tornado or funnel cloud: | 0 |
| Total days with hail: | 0 |
The highest temperature recorded was 38.3°C on 16 July.
The lowest temperature recorded was -13.9°C on 22 January.
The maximum wind speed recorded was 94.6 km/h on 29 February.
You can download complete climate data on our website Tutiempo.net
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