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Region

Fairfax County

Fly into Dulles (IAD) or Reagan (DCA), use Metro or car; 1–2 days to see Wolf Trap, Udvar‑Hazy Center and local trails.

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Key facts · United States

Best months
Apr–May, Oct
Visa
Depends on your passport
Currency
US dollar (USD, $)
Language
English
Plugs
A · B · 120 V
Time zone
Six zones: UTC−5 to UTC−10
Month by month hereIn detail ↓
Rules in force · 9Crossing between the US, Canada and Mexico by land needs …Cannabis is legal in Canada and in many US states, but ta…
  • North America ↗Crossing between the US, Canada and Mexico by land needs your passport even on a day trip; rental cars need the company's written permission to cross, and most US and Canadian rental insurance stops at the Mexican border.
  • North America ↗Cannabis is legal in Canada and in many US states, but taking any amount across the US, Canadian or Mexican border is a federal crime — including edibles and vapes.
  • North America ↗The busiest US and Canadian national parks need timed-entry, campsite or lodge reservations in summer; release dates are months ahead.
  • United States ↗Check whether you need an ESTA (Visa Waiver Program) or a visa on the official CBP and State Department sites; apply only through esta.cbp.dhs.gov, not third-party sites, and allow time before you book.
  • United States ↗Several popular national parks use timed-entry or vehicle reservations in peak season; check each park's page on nps.gov and book on recreation.gov before fixing your dates.
  • United States ↗Medical care is very expensive for visitors; buy travel insurance with high medical cover before you fly.
  • United States ↗Tipping is expected: about 15–20% at sit-down restaurants and bars, and a tip for taxis, hotel staff and guides.
  • Northern Virginia ↗SmarTrip is the regional fare card; it works on Metrorail, Metrobus and most local buses.
  • Northern Virginia ↗I-66 inside the Beltway is HOV-2 in the rush direction, roughly 6–9:30am and 4–6:30pm; check the current rule before driving.

Fairfax County is a wealthy suburb of Washington, DC, known for its performing‑arts park, the Udvar‑Hazy aviation museum, and a network of paved trails for biking and walking.

Where to sleep

2 places in this region

Plan the nights

How to split the nights, day-trips and what to do with your bags

Open Plan the nightsClose Plan the nights3 partsNights · Day-trips · Bags

Night sequences

2 nights
Base in Fairfax, visit Wolf Trap and Udvar‑Hazy Center
3 nights
Base in Reston, add biking trails and Mount Vernon day‑trip
  • Rush‑hour traffic on I‑95, I‑495 and I‑66 can add 15–30 min to travel times.

Day-trips door to door

ToFromDoor-to-door p50Last returnNote
Mount VernonFairfax30 mincheckHistoric estate of George Washington; trail access from the Mount Vernon Trail.
Wolf TrapReston20 mincheckOutdoor concert venue; check event schedule.

Bags between cities

Parcel delivery services (e.g., USPS, UPS) operate county‑wide; no special luggage forwarding needed.

When to go

Months and weather

Open When to goClose When to go2 partsSeasons · Climate

Seasons at a glance

From each city's month table

Pick a month to see where to go.

Show all 12 months, country by countryHide the 12-month table
CountryJFMAMJJASOND
Fairfax (city)
Reston
Northern Virginia (country-wide)
Go: the good monthsFair: workable, mixedPoor: heat, rain or hazeAvoid: storms, floods, closuresno data yet

Computed from each country’s own data; hover a country name for the source. Advisory countries are left out.

Climate strip

Month by month
ZoneJFMAMJJASOND
Fairfax CountyNorthern Virginiacoolcoolokbestbestwarmwarmwarmwarmbestcoolcool
best: dry, mildok: workablecool: jacket, grey
Fairfax County
Humid subtropical; spring and fall are most comfortable, summer can be hot and humid.

Check for occasional thunderstorms in summer.

Getting in and passes

Arrival times and regional passes

Open Getting in and passesClose Getting in and passes2 partsGet in · Passes

Get in

Door-to-door p50, 2026 estimate
FromToHowp50Note
Washington Dulles International Airport (IAD)Silver Line Metro to Wiehle–Reston East, then Fairfax Connector or rideshare~45 min door‑to‑doorMain international gateway; parking and car rentals available.
Ronald Reagan Washington National Airport (DCA)Metro Blue/Yellow Line to Rosslyn, then Metrobus or rideshare~30 min door‑to‑doorCloser to downtown D.C.; good for short trips.
Washington, DC (by car)I‑395 South to I‑66 East, then cross the Potomac via Key Bridge~25 minDirect highway route; traffic can be heavy during rush hour.

Regional passes

Verdict first

WMATA Metro

buy

Use a SmarTrip card for Metro and Metrobus; fares are per ride.

Eat and move on

Regional food and where to go next

Open Eat and move onClose Eat and move on2 partsFood · Go next

Regional food

Where and when it works
DishWhereTiming / trap
Virginia hamFairfax CityLocal specialty; served at many delis.
Seafood (crab cakes)Reston and AlexandriaFresh Chesapeake Bay crab; often on menus.

Go next

Washington, D.C.

planned

Metro Red Line ~20 min

National monuments, museums, and historic sites.

Arlington, Virginia

Metro Red Line ~15 min

Pentagon, Arlington National Cemetery.

Alexandria, Virginia

Metro Blue/Yellow Line ~25 min

Historic Old Town with shops and waterfront.

Reston, Virginia

Fairfax Connector bus ~30 min

Parks, lakes, and a growing downtown.

Planning aids

Built from this guide's own data

Open Planning aidsClose Planning aids2 partsIn numbers · Going in…

Region in numbers

Where to sleep
2 bases
Day trips
2, 20 min to 30 min
Nights suggested
2–3 nights
Ways in
3 listed
Best months
Apr, May, Oct

Going in…

Pick a month for the weather in each zone of the region, plus the country-wide rating and holidays.

Pick a month.

Open Fairfax County Up to Northern Virginia

Deep dive

Photos, reading and every source

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Sources

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