Climate and monthly weather forecastClifton, VA
Climate and monthly weather forecast
The climate of Clifton
Clifton, Virginia is characterized by a Humid Subtropical climate, notated as Cfa under the Köppen Climate Classification System. Geographically, it sits latitudinally between 38.7800°N and longitudinally along -77.3867°W in the United States.Throughout the year, temperatures swing between an average high of 40.5°F (4.7°C) in January to an exhilaratingly warm 87.8°F (31°C) in July. Correspondingly, Clifton can be quite chilly during the winter months with temperatures falling to an average low of 26.8°F (-2.9°C) in January, and then rising to a muggy 68.5°F (20.3°C) in July. These temperature alternations underscore the climatic shift from cold to hot as the year progresses.
Relative humidity oscillates mildly between 71% in July to 77% in December. Rainfall is relatively consistent, though some variations can be noted. It ranges from 2.09" (53mm) in January to 3.94" (100mm) in August. The frequency of rainy days varies from 9.3 days in November to 18.4 days in May. Snowfall is typical in January, with an average of 3.58" (91mm) and tends to disappear by the time April rolls around.
One of the unique weather patterns to highlight is the increased hours of daylight from 9.8 hours in January to 14.9 hours in June. Cloud cover fluctuates moderately between 30% in July to 44% in December, while wind speeds range from 4.8mph (7.7km/h) in July and August to 7.4mph (11.9km/h) in March.
The best time to visit Clifton
The optimal time to visit Clifton would be during the late spring months of May to early summer in June, where temperatures climb to a comfortable range averaging between 65.3°F (18.5°C) to 82.9°F (28.3°C). Other attractions include the increased daylight hours, hitting 14.3 to 14.9 hours respectively, providing ample opportunity for outdoor activities. Sunshine hours are also quite generous during this period, with 9.1 to 10.3 hours respectively, further making it a favourable time for tourists.The worst time to visit Clifton
Travels to Clifton during the winter months from December to February could prove daunting due to the low temperatures that fluctuate between an average high of 40.5°F (4.7°C) to 44.8°F (7.1°C) and lows dropping to between 26.8°F (-2.9°C) to 29.3°F (-1.5°C). The winter period also sees the highest snowfall with up to 3.58" (91mm) in January.Spring weather in Clifton
Spring, running from March to May, offers moderate temperatures from 65.3°F (18.5°C) in April to 74.8°F (23.8°C) in May, with lows between 36.7°F (2.6°C) to 56.1°F (13.4°C). However, this season proves to be the dampest with rainfall peaking at 3.31" (84mm) in May distributed over an average of 18.4 days. Daylight and sunshine hours also go through a steady rise to reach 14.3 hours and 9.1 hours respectively by the end of May.Summer weather in Clifton
Summers are quite warm in Clifton ranging between 74.8°F (23.8°C) to 87.8°F (31°C) from June to August. Low temperatures are consistently comfortable, from 56.1°F (13.4°C) to 68.5°F (20.3°C). Rainfall during this period scales from 2.8" (71mm) to 3.94" (100mm), across 16.1 to 17.4 days. Daylight is maximized during summer with up to 14.9 hours in June, slowly decreasing to 13.6 hours by August.Autumn weather in Clifton
Autumn showcases a gradual reduction in temperatures with averages from 78.6°F (25.9°C) in September down to 54.5°F (12.5°C) in November. Lows similarly drop from 60.6°F (15.9°C) down to 38.7°F (3.7°C) across the same span. Rainfall dips noticeably to 2.13" (54mm) in September, which later rises slightly to 2.28" (58mm) in November, as does the number of rainy days from 13.2 to 9.3 respectively.Winter weather in Clifton
Winters are relatively cold in Clifton with the coldest temperatures ranging between 40.5°F (4.7°C) to 45.7°F (7.6°C) from December to February. Correspondingly, lows fluctuate between 26.8°F (-2.9°C) to 32.9°F (0.5°C) respectively, with snowfall seen in December and January. Winter also marks the shortest daylight hours, averaging between 9.5 to 10.1 hours, and the fewer sunshine hours with an average from 5.2 to 5.8 hours. Rainfalls become slightly higher towards the end of the year, accumulating up to 2.76" (70mm) in December.Weather in January
January marks the start of the year in Clifton, Virginia, frequently showcasing days covered by dense cloud layers reaching a cloud coverage percentage of 43%. With shorter daylight hours of 9.8 hours, expect a quintessential winter month where the city residents brace for chilly days and colder nights, coupled with occasional snowfall. Weather in January »Weather in February
Clifton in February experiences a gentle transition from the frigid January, steadily welcoming longer daylight hours and a slight uptick in temperatures. Incidents of snowfall decrease to 2.52" (64mm), further hinting at the upcoming spring. Weather in February »Weather in March
The advent of March in Clifton, Virginia, signals a departure from the winter season as the city steadily steps into spring. The temperature range shifts upwards, progressively leading to the melting of the remaining snow covers. Weather in March »Weather in April
April's arrival in Clifton brings forth the full grandeur of spring, with the city draped in a colorful myriad of blooming flowers. A shift from March's weather indicators is discernible as Clifton says goodbye to the last vestiges of snow, clocking in a mere 0.28" (7mm). Weather in April »Weather in May
Transitioning into May, Clifton, Virginia, offers an inviting warm weather pattern that marks the onset of summertime. The city sees a recorded 3.31" (84mm) of rainfall for the month, the highest thus far, bringing much-needed hydration for the surrounding blooms. Weather in May »Weather in June
By the time June rolls around, Clifton gets into full-on summer mode, maximum and minimum temperatures climbing steadily. With June, rainfall volume declines to 2.8" (71mm), although summer thunderstorms remain a frequent occurrence. Weather in June »Weather in July
July in Clifton, Virginia, brings the peak intensity of the summer season, demonstrating the highest mean temperature of 87.8°F (31°C). This mid-summer month is synonymous with scorching heat and high UV index levels demanding caution while venturing outdoors. Weather in July »Weather in August
August continues July's trend of high-temperature highs, albeit with a slight dip in the heat intensity. The month witnesses a high humidity and the year’s highest rainfall at 3.94" (100mm) forced by strong convective currents. Weather in August »Weather in September
September in Clifton is the month of transitions, marking the end of the summer season and the beginning of autumn. Temperature profiles begin to show a downward trend, hinting at the advent of colder months ahead. As September advances, the increased cloud coverage and shorter daylight hours are clear indications of October's cooler weather knocking at the door. Weather in September »Weather in October
As October ushers in, Clifton, Virginia, breaks out in a riot of colors, celebrating the quintessential fall spirit. Changes in the temperature landscape are evident with a notable drop in the monthly mean temperature. October bids goodbye to the frequent summer rains, clocking in a decent 2.6" (66mm) of rainfall. Weather in October »Weather in November
November in Clifton is characterized by early darkness and a significant drop in daily temperature averages. Though the city experiences a low snowfall of just 0.08" (2mm), the advent of winter is undeniable. Moving towards December, residents begin preparations for the upcoming holiday season and the deep winter conditions that tag along. Weather in November »Weather in December
December in Clifton, Virginia, is a fierce display of winter in its full glory, concluding the year on a chilly note. The city sees an increased coverage of snow with an average of 1.57" (40mm) of snowfall. Comparing December with the preceding November, there is a clear indication of a marked increase in snow occurrences and lower temperature ranges. Weather in December »Updated: Jun 18, 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
Temperature records mark January as the coldest month, with highs averaging 40.5°F (4.7°C) and lows at 26.8°F (-2.9°C).
The month with the least rainfall is January, when the rain falls for 10.3 days and typically collects 2.09" (53mm) of precipitation.
In Clifton, during the entire year, the rain falls for 166.5 days and collects up to 32.76" (832mm) of precipitation.
Months with snowfall in Clifton are January through April, November and December.
The month with the most snowfall in Clifton is January, when snow falls for 5.2 days and typically aggregates up to 3.58" (91mm) of snow.
In Clifton, during the entire year, snow falls for 16.2 days and aggregates up to 10.79" (274mm) of snow.
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
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 Clifton, 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.
June has the longest days of the year, with an average of 14h and 48min of daylight.
July, marked by an average high-temperature of 87.8°F (31°C) and a low-temperature of 68.5°F (20.3°C), is the warmest month.
The least humid month is July, with an average relative humidity of 71%.
With an average of 10.8h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall in Clifton. Rain falls for 17.4 days and accumulates 3.94" (100mm) of precipitation.
The months with the highest humidity are October and December, with an average relative humidity of 77%.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Clifton, VA
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.5°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Clifton, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"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
Clifton, VA
- Average wind speed in January:
7mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Clifton, VA
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Clifton, VA
- Average rainfall in January:
2.09" - Average rainfall in February:
2.24" - Average rainfall in March:
2.52" - Average rainfall in April:
2.87" - Average rainfall in May:
3.31" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.94" - Average rainfall in September:
2.13" - Average rainfall in October:
2.6" - Average rainfall in November:
2.28" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days
Clifton, VA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall
Clifton, VA
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Clifton, VA
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
5 days - Average snowfall days in March:
2.9 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:
0.5 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Clifton, 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 12min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days
Clifton, VA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are May and July (10.5 days).
Average UV index
Clifton, 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, February, November and December (UV index 2).
Average cloud cover
Clifton, 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
Clifton, 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).
