Washington Dulles International Airport Klima and Average Vær
Klima of Washington Dulles International Airport: average temperatures, rainfall and seasons month by month.
Klima in Washington Dulles International Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 4° | -4° | 89 mm | ★★☆☆☆ |
| februar | 7° | -2° | 62 mm | ★★★☆☆ |
| mars | 16° | 4° | 92 mm | ★★★☆☆ |
| april | 21° | 9° | 66 mm | ★★★★☆ |
| mai | 24° | 14° | 148 mm | ★★★★☆ |
| juni | 30° | 19° | 96 mm | ★★★★☆ |
| juli | 32° | 22° | 127 mm | ★★★★☆ |
| august | 29° | 19° | 128 mm | ★★★★☆ |
| september | 26° | 17° | 90 mm | ★★★★☆ |
| oktober | 21° | 9° | 30 mm | ★★★★☆ |
| november | 14° | 4° | 51 mm | ★★★☆☆ |
| desember | 8° | -0° | 99 mm | ★★☆☆☆ |
Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Washington Dulles International Airport
Høyest 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 |
Beste tid å besøke 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: januar, februar and desember - 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 til august.
The gap between the warmest and coldest month averages 27°C.
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, 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 januar, februar and desember - historically the least comfortable months here.
Sammendrag
Washington Dulles International Airport is an airport in Virginia. Washington Dulles International Airport (IAD) is a commercial airport.
Akkurat nå er det 19°C (66°F) in Washington Dulles International Airport med delvis skyet. Det føles som 20°C. I dag varierer temperaturen mellom 15°C til 21°C. Sannsynligheten for nedbør er 1%. Sightseeing conditions score 9.7/10 - utmerket — dra nå.
Beste tidspunkt å besøke Washington Dulles International Airport is april, juni, september and oktober. Klimaet er continental. januar, februar and desember tend til be the least comfortable months. juli is the warmest month med average highs near 32°C, while januar 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).
Kort sagt. 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 til be outside is roughly 4 PM til 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
| Type | Airport |
|---|---|
| State | Virginia |
| Land | USA |
| Kontinent | Nord-Amerika |
| Koordinater | 38°57′11.2″N 77°27′23.4″W (38.9531, -77.4565) |
| IATA code | IAD |
| Lokal tid | 8:02 PM (UTC-04:00) |
| Best months | april, juni, september and oktober |
| Klima | Kontinental |
Vær map for Washington Dulles International Airport
Animated model layers. Pick a layer til 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.
Klima 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 Nord-Amerika.
What is the weather like in Washington Dulles International Airport akkurat nå?
It is currently 19°C (66°F) med delvis skyet. Luftfuktighet is 77% and wind is 7 km/h.
When is the best time til 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. januar, februar and desember 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 8:02 PM.
What is the nearest airport til 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 til 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vær 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 8:02 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
