Climate and monthly weather forecastBlacksburg, VA
Climate and monthly weather forecast
The climate of Blacksburg
Geographically situated in Virginia, USA, Blacksburg experiences a Humid subtropical climate (Cfa) with no dry season as per the Köppen climate classification. The year-round climate is characterized by variations in temperature, relative humidity, rainfall, and other weather phenomena.Throughout a year, the mean temperature fluctuates from a high of 83.3°F (28.5°C) in July to a low of 24.3°F (-4.3°C) in January. Simultaneously, the humidity is typically between 75% in July to 80% in December. The rainfall ranges from a maximum of 3.58" (91mm) in May to a minimum of 1.65" (42mm) in September. The number of rainy days varies widely from a high of 20.3 in May to a low of 9.8 in November.
Notably, Blacksburg witnesses snowfall mainly between January with 4.02" (102mm) to December 4.17" (106mm). The town sees direct sunlight between 5 hours in December to a pleasant 10.3 hours in June. The UV index marks its lowest in December and January with a reading of 2, hiking up to 6 from June to August. Wind speed in Blacksburg ranges from 4.1mph (6.6km/h) in August to 7.5mph (12.1km/h) in January and February.
The best time to visit Blacksburg
Considering the best time to visit Blacksburg would be from April to June. During this period, temperatures range from 63.1°F (17.3°C) to 79.7°F (26.5°C) and are often accompanied by an ample amount of sunshine reported from 8.9 hours in April up to 10.3 hours in June. This time frame also encounters relatively lower wind speeds, contributing to a more comfortable and relaxed atmosphere for outdoor activities.The worst time to visit Blacksburg
Arguably, the least favorable time to visit Blacksburg might be during the winter months, particularly from late November to February, characterized by lower temperatures ranging from 24.3°F (-4.3°C) to 44.6°F (7°C). January is the coldest month when the town experiences snowfall, accumulating up to 4.02" (102mm). Rainfall is marginally high during this period, reducing visibility and potentially disrupting travel plans.Spring weather in Blacksburg
Between March and May, Blacksburg sees dynamic spring weather. The temperatures during this time tend to increase noticeably from 51.8°F (11°C) in March to a warmer 71.8°F (22.1°C) in May. While humidity maintains a steady rate, the amount of rainfall peaks to 3.58" (91mm) during May. These months also witness a significant increase in daylight hours - from 12 in March up to 14.2 hours in May - providing longer days for exploration and sightseeing.Summer weather in Blacksburg
Blacksburg's summer climate from June to August is typically warm, with temperatures peaking at 83.3°F (28.5°C) in July. With a mere 2.48" (63mm) of rainfall in July, these months are relatively drier compared to others. Due to the town's humid subtropical climate, humidity levels hover around 75% - 77%. The UV index tends to peak during this period, promoting mindful sun protection measures.Autumn weather in Blacksburg
Autumn months from September through November mark a gradual decrease in temperature from 75.6°F (24.2°C) in September to 52°F (11.1°C) in November. These months witness rainfall reduction to its lowest level - 1.65" (42mm) in September. On the other hand, the town enjoys 8.2 hours of sunshine during September, making Autumn a colorful and comfortable season for exploring outdoors.Winter weather in Blacksburg
Winter in Blacksburg, lasting from December through to February, welcomes the lowest temperatures of the year - dropping to 24.3°F (-4.3°C) in January. During these months, the town experiences a significant amount of snowfall, with January and December recording 4.02" (102mm) and 4.17" (106mm) respectively. With daylight hours reducing to a minimum of 9.6 in December, winters are marked by shorter yet crisp sunny days.Weather in January
The year in Blacksburg, Virginia starts off chilly with January's cold weather. This month has the lowest sunlight hours of 5.0 hours per day, paired with the shortest daylight duration among all months, creating a rather gray and overcast atmosphere. Weather in January »Weather in February
February sees a moderate rise in temperatures from the previous month yet remains firmly in the winter season in Blacksburg. Average daylight hours marginally lengthen, countering the chill with 5.6 hours of daily sunshine. The city experiences increased snowfall this month with the average snowfall at a peak of 5.04" (128mm). Weather in February »Weather in March
With the transition to spring, March brings a more significant increase in temperatures accompanied by extended daylight hours in Blacksburg, Virginia. As the chill of winter tapers off, the wind speed decreases to an average of 7.1mph (11.4km/h). Weather in March »Weather in April
April's arrival marks the full swing of spring, characterized by a notable leap in average temperatures from the prior month. The daylight hours extend further in April, averaging 13.2 hours a day, illuminating Blacksburg in a bath of sunlight. Weather in April »Weather in May
May ushers in a warm weather pattern in Blacksburg, with temperatures climbing further. Keeping up with the upward trend, the daylight duration lengthens to 14.2 hours, coupling with temperature hikes to provide an ideal backdrop for outdoor pursuits. Weather in May »Weather in June
June in Blacksburg, Virginia is the dawn of the summer season, with temperatures reaching their highest averages. Long daylight hours, peaking at 14.7 hours, maximize the amount of sunshine reaching the city. Interestingly, this month doesn’t experience any snowfall, signifying the definitive end of the cold weather. Weather in June »Weather in July
July, positioned in the crux of summer, showcases Blacksburg, Virginia at its hottest. This month holds the maximum average higher temperature of 83.3°F (28.5°C), crowning it as the hottest month of the year. The city is treated to 14.4 hours of daylight, with an impressive 10.2 hours average of sunshine per day. Weather in July »Weather in August
August continues to bask in Blacksburg's warm summers, albeit with a minor dip in average temperatures from the previous month. Blacksburg enjoys long daylight hours, experiencing a duration of 13.5 hours, which still allows substantial sunshine. Weather in August »Weather in September
September brings the onset of autumn, reflecting in Blacksburg's weather through a noticeable drop in average temperatures from the summer peak. As the daylight hours shorten to an average of 12.4 hours a day, less sunshine graces the city, contrasting the long days of summer. Weather in September »Weather in October
October in Blacksburg, Virginia escort in cooler temperatures, marking the full arrival of the fall season. This month witnesses the daylight hours cut down to 11.2 hours, inherently limiting the daily sunshine hours. Notably, the wind speed increases slightly to an average of 5.6mph (9km/h), adding a chilly breeze to the mix. Weather in October »Weather in November
November signals the close approach of winter with a further drop in temperatures and even shorter days. Despite the decrease in temperature and daylight hours, the sunshine duration remains roughly static around 6 hours per day, irrigating Blacksburg with sufficient light. Weather in November »Weather in December
Winter in Blacksburg, Virginia formally sets in with December. The advent of this month brings shorter days, with the daylight duration dipping down to 9.6 hours, and relatively reduced daily sunshine hours. On the flip side, snowfall climbs to an average of 4.17" (106mm), instating the full arrival of winter. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Blacksburg, VA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39.4°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Blacksburg, VA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Blacksburg, VA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.2mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.6mph - Average wind speed in November:
6mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Blacksburg, VA
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Blacksburg, VA
- Average rainfall in January:
2.28" - Average rainfall in February:
3.03" - Average rainfall in March:
2.36" - Average rainfall in April:
3.15" - Average rainfall in May:
3.58" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.52" - Average rainfall in September:
1.65" - Average rainfall in October:
2.2" - Average rainfall in November:
2.24" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days
Blacksburg, VA
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
13 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
18.9 days - Average rainfall days in August:
17.9 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (9.8 days).
Average snowfall
Blacksburg, VA
- Average snowfall in January:
4.02" - Average snowfall in February:
5.04" - Average snowfall in March:
3.11" - Average snowfall in April:
0.47" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Blacksburg, VA
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Blacksburg, VA
- Average daylight in January:
9h and 54min - 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 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 54min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days
Blacksburg, VA
- Average sunshine days in January:
12.9 days - Average sunshine days in February:
10.2 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
8.6 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
10.2 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (8.6 days).
Average UV index
Blacksburg, VA
The months with the highest UV index are 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
Blacksburg, VA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility
Blacksburg, VA
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





