Washington Dulles International Airport Klimat and Average Väder
Klimat of Washington Dulles International Airport: average temperatures, rainfall and seasons month by month.
Klimat in Washington Dulles International Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | 4° | -4° | 89 mm | ★★☆☆☆ |
| februari | 7° | -2° | 62 mm | ★★★☆☆ |
| mars | 16° | 4° | 92 mm | ★★★☆☆ |
| april | 21° | 9° | 66 mm | ★★★★☆ |
| maj | 24° | 14° | 148 mm | ★★★★☆ |
| juni | 30° | 19° | 96 mm | ★★★★☆ |
| juli | 32° | 22° | 127 mm | ★★★★☆ |
| augusti | 29° | 19° | 128 mm | ★★★★☆ |
| september | 26° | 17° | 90 mm | ★★★★☆ |
| oktober | 21° | 9° | 30 mm | ★★★★☆ |
| november | 14° | 4° | 51 mm | ★★★☆☆ |
| december | 8° | -0° | 99 mm | ★★☆☆☆ |
Klimat type: Kontinental. Källa: Open-Meteo archive (ERA5).
Recent extremes in Washington Dulles International Airport
Högest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Washington Dulles International Airport compares med nearby places
Annual averages, and the difference against Washington Dulles International Airport.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Georgetown | 34 km | 14°C | about the same | 1236 mm |
| Washington | 37 km | 14°C | about the same | 1232 mm |
| Area Code 202 | 37 km | 14°C | about the same | 1232 mm |
| Washington, D.C. | 37 km | 14°C | about the same | 1232 mm |
| National Mall | 37 km | 14°C | about the same | 1236 mm |
Bästa tiden att besöka Washington Dulles International Airport
Go in april, juni, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.
What this means for Washington Dulles International Airport
Today is cooler than average for september. The forecast high of 21°C is 4.5°C below the 26°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni och augusti.
The gap between the warmest and coldest month averages 27°C.
What och pack, what och skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sönglasses, a brimmed hat and SPF 30+
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.
Sammanfattning
Washington Dulles International Airport is an airport in Virginia. Washington Dulles International Airport (IAD) is a commercial airport.
Just nu är det 19°C (66°F) in Washington Dulles International Airport med delvis molnigt. Det känns som 20°C. I dag varierar temperaturen mellan 15°C och 21°C. Risken för nederbörd är 1%. Sightseeing conditions score 9.7/10 - utmärkt — åk nu.
Bästa tiden att besöka Washington Dulles International Airport is april, juni, september and oktober. Klimatet är continental. januari, februari and december tend och be the least comfortable months. juli is the warmest month med average highs near 32°C, while januari is the coldest med lows near -4°C.
The closest major airport is Ronald Reagan Washington National Airport (DCA), about 38 km away. Nearby highlights include National Mall, Shenandoah National Park, New River Gorge National Park and Statue of Liberty (UNESCO World Heritage Site).
Enkelt förklarat. Today is cooler than average for september. The forecast high of 21°C is 4.5°C below the 26°C typical for this month. The best window och be outside is roughly 4 PM och 7 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Washington Dulles International Airport today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Washington Dulles International Airport
| Typ | Airport |
|---|---|
| State | Virginia |
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 38°57′11.2″N 77°27′23.4″W (38.9531, -77.4565) |
| IATA code | IAD |
| Lokal tid | 11:48 PM (UTC-04:00) |
| Best months | april, juni, september and oktober |
| Klimat | Kontinental |
Väder map for Washington Dulles International Airport
Animated model layers. Pick a layer och load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Washington Dulles International Airport
Every topic we hold for this place, and the same topic for the places around it.
Klimat for related places
Frequently asked questions
Where is Washington Dulles International Airport?
Washington Dulles International Airport is an airport in Virginia. Its coordinates are 38.9531, -77.4565. It lies in Nordamerika.
What is the weather like in Washington Dulles International Airport just nu?
It is currently 19°C (66°F) med delvis molnigt. Luftfuktighet is 77% and wind is 7 km/h.
When is the best time och visit Washington Dulles International Airport?
april, juni, september and oktober offer the most comfortable conditions in Washington Dulles International Airport, which has a continental climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Washington Dulles International Airport in?
Washington Dulles International Airport observes America/New_York (UTC-04:00). The local time is 11:48 PM.
What is the nearest airport och Washington Dulles International Airport?
The closest airports are Ronald Reagan Washington National Airport (DCA), 38 km away, Philadelphia International Airport (PHL), 216 km away and Newark Liberty International Airport (EWR), 340 km away.
What are the top things och do in Washington Dulles International Airport?
Popular options include National Mall, Shenandoah National Park, New River Gorge National Park, Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty and Hudson River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (airports) - coordinates, hierarchy and facts. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Väder Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated september 30, 2026 at 11:48 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





