Climate and monthly weather forecastFalls Church, VA
Climate and monthly weather forecast
The climate of Falls Church
The city of Falls Church, located in the state of Virginia, USA, is characterized as having a predominantly humid subtropical climate, known as Cfa under the Köppen climate classification. This climatic situation is noted for lacking a dry season, illustrating an annual pattern where rainfall is a constant element. In terms of geographical position, Falls Church finds itself close to the Gulf Stream, which is responsible for the maintenance of the mild and moist climate conditions.Throughout the year, the weather in Falls Church is typified by noticeable variations in temperature, humidity, and rainfall patterns. Monthly average temperatures vary from a mild 26.8°F (-2.9°C) in the cold months to a warm 87.4°F (30.8°C) during the hotter parts of the year. Humidity levels stay relatively consistent, with averages varying between 70 and 76% all year round. Average rainfall spans from 0.51" (13mm) in the drier months to 1.5" (38mm) at the peak of the wet season, with rainfall occurring on average for between 5.6 days to 13.5 days each month.
Falls Church also reveals certain unique weather patterns. Exceptionally hot months are observed in July at 87.4°F (30.8°C), while the coldest month is January, where the average low temperature hits 26.8°F (-2.9°C). January also brings the highest level of snowfall, averaging 0.98" (25mm).
The best time to visit Falls Church
Considering the climate parameters, the recommended timeframe to visit Falls Church would fall in the late spring and early fall periods. During these times, temperatures are moderate, humidity is manageable, and rainfall is average. Particularly, the months May to early June, and late September to October offer temperatures ranging from 64.9°F (18.3°C) to 74.8°F (23.8°C), manageable humidity levels, and moderate rainfall averages between 0.75" (19mm) to 0.94" (24mm).The worst time to visit Falls Church
Conversely, winter months make for less favorable travel circumstances to Falls Church. Specifically, January proves to be a challenging month due to its lowest average temperature 26.8°F (-2.9°C) and highest snowfall average at 0.98" (25mm). Moreover, maximum humidity encumbering the atmosphere and persistently lowering visibility averages make the experience less pleasant.Spring weather in Falls Church
The spring season in Falls Church sees a gradual increase in temperatures from 52.7°F (11.5°C) in March to a pleasant 74.8°F (23.8°C) in May. The increase in temperatures is accompanied by a rise in rainfall, from an average of 0.63" (16mm) in March to 0.75" (19mm) in May. Humidity hovers around 72 to 75% during this time, and daylight hours increase progressively, offering between 12 hours to 14.3 hours of sunlight each day.Summer weather in Falls Church
Summer months bring the highest temperatures in Falls Church. From June to August, temperatures fluctuate from 82.8°F (28.2°C) to 87.4°F (30.8°C). Humidity levels exhibit a slight decrease in comparison to spring, falling between 70 and 72%. The city experiences its maximum rainfall in summer, with averages peaking at 1.5" (38mm) in August. Sunshine prevails during the summer, with between 14.6 and 14.9 hours of light each day.Autumn weather in Falls Church
During autumn, Falls Church witnesses a decline in temperature, from an average high of 78.6°F (25.9°C) in September to 54.1°F (12.3°C) by November. Correspondingly, rainfall decreases from 0.51" (13mm) in September down to 0.63" (16mm) in November. Humidity hovers around 74 to 76% in these months, while daylight hours gradually reduce, offering between 12.4 hours to 10.1 hours of sunlight each day.Winter weather in Falls Church
Winter presents the coldest conditions in Falls Church, with the lowest average temperature being 26.8°F (-2.9°C) in January. The city also witnesses some snowfall during the winters, with January receiving the highest snowfall measure at 0.98" (25mm). Humidity levels are the highest in winter, ranging between 73 and 76%, and daylight hours are at their shortest of the year, with between 9.5 hours to 10.1 hours of sunlight each day.Weather in January
Weatherwise, January starts the year off on a chilly note in Falls Church, Virginia, with it being the coldest month of the year. With an average high temperature of 40.1°F (4.5°C), warming layers will certainly be in order. The cold is accompanied by occasional precipitation, with rainfall averaging 0.51" (13mm) on six days of the month. Weather in January »Weather in February
A shift from January to February sees temperatures rising slightly in Falls Church. The month retains the winter chill but introduces a subtle hint of the spring to come. With precipitation slightly higher than the previous month, it's likely to come in the form of both rain and snow. Weather in February »Weather in March
As Falls Church moves into March, the city sees a significant rise in temperatures, indicating the start of the spring season. The cooler winter temperatures fade, making way for milder conditions. The month is marked by an increase in rainfall to an average of 0.63" (16mm). Weather in March »Weather in April
Arriving into April, Falls Church experiences a surge in temperatures that can even reach 64.9°F (18.3°C). The onset of consistent warmer weather and greener landscapes makes for an atmospheric experience. While rainfall increases in frequency and amount, it is a welcome change that fuels the city's blossoming flora. Weather in April »Weather in May
May in Falls Church is synonymous with warmth as the city consistently reaches a high of 74.8°F (23.8°C). As the flowers bloom and trees turn lush, the city's landscapes wear a vibrant cloak. Rain showers are common during this period, making the city more picturesque. Weather in May »Weather in June
With June comes typical summertime weather in Falls Church, with rising temperatures averaging a high of 82.8°F (28.2°C). The month is distinguished by the longest days of the year, with about 14.9 hours of daylight reported. It's an ideal time for outdoor enthusiasts to partake in various activities, all under clear, predominantly blue skies. Weather in June »Weather in July
July is the warmest month of the year in Falls Church, with temperatures reaching up to an average high of 87.4°F (30.8°C). Characterized by high warmth and humidity, it marks the peak of the summer season. The heat is countered by the frequent rainfall, which averages 1.18" (30mm) distributed over roughly 13.5 days. Weather in July »Weather in August
August continues to carry high temperatures, close to those experienced in July. Nevertheless, a slow cooling trend can be observed as the month progresses. Rainfall continues to be significant, hitting the year's high of an average 1.5" (38mm). Weather in August »Weather in September
September brings the dawn of autumn to Falls Church, with temperatures decreasing to an average high of 78.6°F (25.9°C). It's a month characterized by refreshing breezes and vibrant Fall colors starting to coat the city. As the weather cools down, precipitation also decreases, signaling the transition into the drier months. Weather in September »Weather in October
October in Falls Church is a month of cozier temperatures and vibrant fall colors. Temperatures continue to drop, offering a refreshing contrast to September's warmth. Towards the end of the month, temperatures fall to an average low of 50.7°F (10.4°C). Weather in October »Weather in November
November sees the fading of autumn and the onset of winter in Falls Church. Temperatures continue to plummet, averaging a low of 39°F (3.9°C), and residents begin to bundle up in warm clothing once again. The fall colors continue to linger but start to fade towards the end of the month. Weather in November »Weather in December
December announces the commencement of winter full swing in Falls Church. This festive month carries a chill, averaging a high temperature of 45.5°F (7.5°C). Snowfall occurs intermittently, adding a sparkling white blanket to the city's landscape just in time for the holiday season. Weather in December »Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, known for its average high temperature of 40.1°F (4.5°C) and an average low temperature of 26.8°F (-2.9°C), is the coldest month in Falls Church, Virginia.
The months with the least rainfall are January and September Rain falls for 6 days and accumulates 0.51" (13mm) of rain.
Throughout the year, in Falls Church, Virginia, there are 109 rainfall days, and 9.29" (236mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
January is the month with the most snowfall in Falls Church, Virginia. Snow falls for 2.7 days and accumulates 0.98" (25mm) of snow.
In Falls Church, during the entire year, snow falls for 10.3 days and aggregates up to 2.28" (58mm) of snow.
The months with the lowest UV index in Falls Church are January, November and December, with an average maximum UV index of 2.
February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Falls Church, Virginia.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
In Falls Church, snow does not fall in May through October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
The month with the longest days in Falls Church is June, with an average of 14h and 48min of daylight.
July, noted for its average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.1°F (20.6°C), is considered the warmest month in Falls Church.
The least humid month in Falls Church is July, with an average relative humidity of 70%.
The month with the most sunshine in Falls Church, Virginia, is July, with an average of 10.9h of sunshine.
August is the month with the most rainfall in Falls Church, Virginia. Rain falls for 13 days and accumulates 1.5" (38mm) of precipitation.
The months with the highest humidity are October and December, with an average relative humidity of 76%.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Falls Church, VA
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (40.1°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Falls Church, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Falls Church, VA
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Falls Church, VA
The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Falls Church, VA
- Average rainfall in January:
0.51" - Average rainfall in February:
0.55" - Average rainfall in March:
0.63" - Average rainfall in April:
0.75" - Average rainfall in May:
0.75" - Average rainfall in June:
0.94"
- Average rainfall in July:
1.18" - Average rainfall in August:
1.5" - Average rainfall in September:
0.51" - Average rainfall in October:
0.67" - Average rainfall in November:
0.63" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is August (1.5").
The driest months (with the least rainfall) are January and September (0.51").
Average rainfall days
Falls Church, VA
- Average rainfall days in January:
6 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
13 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (5.6 days).
Average snowfall
Falls Church, VA
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Falls Church, VA
- Average snowfall days in January:
2.7 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.2 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Falls Church, VA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days
Falls Church, VA
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
15.9 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
23 days - Average sunshine days in December:
22 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is July (14.3 days).
Average UV index
Falls Church, VA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover
Falls Church, VA
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Falls Church, VA
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
