Virginia, United States
Fairfax
Fairfax is a town in Virginia, United States. It has a population of about 24,146 (2020). The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.
Now55°F
Best timeApr · Sep–Oct
Population24,146
Local time10:36
38.85° N, 77.31° WElevation 430 ftUTC−4 · Eastern Daylight Time
Postal codes22030, 22034 …October: high / low67° / 47°
Rain this month92mm
Best timeApr · Sep–Oct
Best: Apr · Sep–Oct. Warmth, sunshine and dry days, month by month.
Fairfax at a glance
Sunrise · sunset07:26 · 18:2210 h 56 min of daylightThe moon tonightWaxing gibbous85% · Moonrise 16:25Northern lights tonightUnlikely tonightKp needed: 6.8Next holiday11 NovemberVeterans DayNext eclipse20 Feb 2027Penumbral lunar eclipse
Best time to visitApr · Sep–Oct
The months with the highest weather score
Warmest month87°F
Average high in July
Coolest month26°F
Average low in January
Wettest monthJuly
118 mm of rain
Driest monthFebruary
76 mm of rain
Monuments nearby10+
within 1.5 km
Weather in Fairfax
Now and the next ten days. The 14 and 30-day outlooks are one click away.
55°F
Today hour by hourSunny · wind 13 km/h · humidity 44%
Today22 Oct65°41°
Fri23 Oct59°43°
Sat24 Oct59°37°
Sun25 Oct63°39°
Mon26 Oct66°40°
Tue27 Oct65°49°
Wed28 Oct62°42°
Thu29 Oct67°44°
Fri30 Oct58°44°
Sat31 Oct59°37°
When to go to Fairfax
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 35 | 34 | 44 | 72 | 66 | 54 | 44 | 50 | 73 | 79 | 56 | 33 |
| High | 43° | 46° | 54° | 66° | 74° | 82° | 87° | 85° | 78° | 67° | 56° | 47° |
| Low | 26° | 27° | 34° | 44° | 53° | 62° | 67° | 66° | 59° | 47° | 37° | 30° |
| Rain (mm) | 80 | 76 | 91 | 96 | 116 | 106 | 118 | 102 | 99 | 92 | 81 | 83 |
| Wet days | 8 | 9 | 9 | 10 | 13 | 14 | 14 | 13 | 10 | 9 | 8 | 9 |
What's on in Fairfax
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Fairfax
0.1 km
Old Fairfax County Jail
0.5 km
Fairfax Public School
1 km
Historic Fairfax County Courthouse
1.5 km
Historic Blenheim
0.1 km
Old Town Hall, Fairfax
1.3 km
29 Diner
Museum3.1 km
National Firearms MuseumMuseum1.7 km
Plaster Cast Collection at George Mason UniversityBuilt 2003More museums: Fairfax Museum and Visitors Center
Outdoors around Fairfax
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Ocean Dunes WaterparkWater parks
1 kmInternational Country ClubGolf courses
1.8 kmLake Fairfax Family CampgroundCamp sites
1.8 kmNOVA WildZoos
2.3 kmLanes Mill RuinsViewpoints
2.8 kmBalmoral Rope SwingClimbing
2.9 kmNature around Fairfax
Wildlife in October
The birds and mammals of United States seen most this month, compared with the rest of their year.
The sky over Fairfax
Earthquakes around Fairfax
The last 30 days within 300 km, and the record since 1950.
Last 30 days0magnitude 2.5+ within 300 kmSince 19501magnitude 5+ within 150 kmSignificant earthquakes on record5within 300 km
Strongest nearby since 1950
5.8Cuckoo 6 km ↙2011 · 118 km
Universities and research institutes
Fairfax County Public SchoolsUniversity or college · founded 1870
George Mason UniversityUniversity or college · founded 1957
Roy Rosenzweig Center for History and New MediaUniversity or college · founded 1994
Virginia International UniversityUniversity or college · founded 1998
Genetics and IVF InstituteResearch institute · founded 1984
Towns and villages around Fairfax
Each with its own page: weather, climate and the best time to visit.
Fairfax from above
Around Fairfax34 places to see, do and reach nearby
Lake AccotinkNature6.0 miBurke Lake, VirginiaNature6.3 miLake BraddockNature3.6 miDaniels RunNature1.9 miSandy Run, VirginiaNature4.8 miHuntsman LakeNature6.8 miTheodore Roosevelt IslandNature13 miPlummers IslandNature11 miHogback Mountain (Loudoun County, Virginia)Mountain24 miMount Saint AlbanMountain14 miHenry HillMountain12 miOld Fairfax County JailMonument0.1 miFairfax Public SchoolMonument0.3 miHistoric Fairfax County CourthouseMonument0.6 miHistoric BlenheimMonument0.9 miOld Town Hall, FairfaxMonument0.1 mi29 DinerMonument0.8 miCity of Fairfax Historic DistrictMonumentunder 0.1 miFord Building, FairfaxMonumentunder 0.1 miNational Firearms MuseumMuseum1.9 miPlaster Cast Collection at George Mason UniversityMuseum1.1 miSteven F. Udvar-Hazy CenterMuseum8.7 miFairfax Station Railroad MuseumMuseum3.4 miBurke CentreStation3.4 miRolling RoadStation4.4 miBacklick RoadStation7.4 miGeorgetown Ferry LandingFerry port14 miAlexandria City Marina (Old Town) Ferry LandingFerry port15 miWashingtonPlace15 miAlexandriaPlace14 miBethesdaPlace14 miRestonPlace8.7 miMcLeanPlace9.2 miPotomacPlace13 mi
Postal codes
220302203422037–22038
Getting to Fairfax
Washington Dulles International AirportIAD
17 kmRonald Reagan Washington National AirportDCA
23 kmBaltimore/Washington International Thurgood Marshall AirportBWI
66 kmBurke CentreRailway station
5.5 kmRolling RoadRailway station
7.1 kmBacklick RoadRailway station
12 kmGeorgetown Ferry LandingAlexandria City Marina (Old Town) Ferry Landing · The Wharf Ferry Landing
22 kmAlexandria City Marina (Old Town) Ferry LandingDiamond Teague Ferry Landing · Gaylord National Ferry Landing · Georgetown Ferry Landing · National Harbor Ferry Landing
24 kmPlaces near Fairfax
Places with a climate like Fairfax
Matched month by month on temperature, rain and sunshine.
96% alikePhiladelphia
United States
67° / 47°Apr · Sep–Oct
97% alikeWoodbury
United States
67° / 47°Apr · Sep–Oct
97% alikeGlassboro
United States
67° / 46°Apr · Sep–Oct
97% alikeSalem
United States
67° / 47°Apr · Sep–Oct
97% alikeCamden
United States
67° / 47°Apr · Sep–Oct
97% alikeMillville
United States
68° / 46°Apr · Sep–Oct
Frequently asked questions
When is the best time to visit Fairfax?
Based on 30-year climate normals, April, September and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Fairfax.
What is the hottest month in Fairfax?
July is the warmest month, with average highs of 87°F and lows of 67°F.
What is the coldest month in Fairfax?
January is the coldest month, with average highs of 43°F and lows of 26°F.
What is the rainiest month in Fairfax?
July is the wettest month with about 4.6 in of precipitation on 14 wet days.
What is the postal code of Fairfax?
Fairfax has 4 postal codes: 22030, 22034, 22037–22038.