Best Time to Visit Washington Dulles International Airport
Best time to visit Washington Dulles International Airport: April, June, August and October. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit Washington Dulles International Airport
Go in April, June, August and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Climate in Washington Dulles International Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 39° | 25° | 3,5 in | ★★☆☆☆ |
| February | 45° | 28° | 2,4 in | ★★★☆☆ |
| March | 61° | 39° | 3,6 in | ★★★☆☆ |
| April | 70° | 49° | 2,6 in | ★★★★☆ |
| May | 74° | 57° | 5,8 in | ★★★★☆ |
| June | 87° | 66° | 3,8 in | ★★★★☆ |
| July | 90° | 71° | 5,0 in | ★★★★☆ |
| August | 85° | 67° | 3,2 in | ★★★★☆ |
| September | 79° | 61° | 4,6 in | ★★★★☆ |
| October | 69° | 49° | 1,2 in | ★★★★☆ |
| November | 57° | 40° | 2,0 in | ★★★☆☆ |
| December | 46° | 31° | 3,9 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
How Washington Dulles International Airport compares with nearby places
Annual averages, and the difference against Washington Dulles International Airport.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Georgetown | 21 mi | 57°F | about the same | 47 in |
| Washington | 23 mi | 57°F | about the same | 47 in |
| Area Code 202 | 23 mi | 57°F | about the same | 47 in |
| Washington, D.C. | 23 mi | 57°F | about the same | 47 in |
| National Mall | 23 mi | 57°F | about the same | 47 in |
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Washington Dulles International Airport is an airport in Virginia. Washington Dulles International Airport (IAD) is a commercial airport.
Right now it is 59°F (15°C) in Washington Dulles International Airport with clear. It feels like 59°F. Today runs from 58°F to 84°F. Chance of precipitation is 0%. Sightseeing conditions score 9.8/10 - excellent - go now.
The best time to visit Washington Dulles International Airport is April, June, August and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 90°F, while January is the coldest with lows near 25°F.
The closest major airport is Ronald Reagan Washington National Airport (DCA), about 23 mi away. Nearby highlights include National Mall, Shenandoah National Park, New River Gorge National Park and Statue of Liberty (UNESCO World Heritage Site).
In plain terms. Today is about average for August. The forecast high of 84°F is in line with the 85°F typical for this month. The best window to be outside is roughly 8 AM to 11 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Washington Dulles International Airport today at 9.9/10. 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.
Weather in Washington Dulles International Airport right now
Source: Open-Meteo. Updated 4:16 AM, Aug 25 local time.
Weekend outlook
☁️ 82° / 61°
Overcast · 16% rain · wind 9 mph
☁️ 88° / 64°
Overcast · 12% rain · wind 9 mph
Things to do in Washington Dulles International Airport
Attractions, parks and landmarks in and around Washington Dulles International Airport.
Quick facts about Washington Dulles International Airport
| Type | Airport |
|---|---|
| State | Virginia |
| Country | United States |
| Continent | North America |
| Coordinates | 38°57′11.2″N 77°27′23.4″W (38.9531, -77.4565) |
| IATA code | IAD |
| Local time | 4:16 AM (UTC-04:00) |
| Best months | April, June, August and October |
| Climate | Continental |
Explore Washington Dulles International Airport
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit 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 North America.
What is the weather like in Washington Dulles International Airport right now?
It is currently 59°F (15°C) with clear. Humidity is 80% and wind is 4 mph.
When is the best time to visit Washington Dulles International Airport?
April, June, August and October offer the most comfortable conditions in Washington Dulles International Airport, which has a continental climate. January, February 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 4:16 AM.
What is the nearest airport to Washington Dulles International Airport?
The closest airports are Ronald Reagan Washington National Airport (DCA), 23 mi away, Philadelphia International Airport (PHL), 134 mi away and Newark Liberty International Airport (EWR), 211 mi away.
What are the top things to 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. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather 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 August 25, 2026 at 4:16 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
