Climate and monthly weather forecastManassas Park, VA
Climate and monthly weather forecast
The climate of Manassas Park
Manassas Park, with a geographical location in the northern region of Virginia, USA, embodies the climatological characteristics consistent with the Köppen climate classification Cfa. This classification represents a humid subtropical climate identifiable by an absence of a dry season. Manassas Park experiences a significant amount of rainfall throughout the year and has no dry months.The weather in Manassas Park showcases a considerable fluctuation in temperature from the coldest month of January to the hottest month of July. High temperatures throughout the year range from 40.6°F (4.8°C) in January to a peak of 88.3°F (31.3°C) in July. The minimum temperatures take a similar course, from a yearly low of 26.4°F (-3.1°C) in January and peak at 67.1°F (19.5°C) in July.
The area also undergoes changes in other weather parameters across the year. The annual rainfall varies from 1.93" (49mm) in September to a maximum of 3.43" (87mm) in August, portraying a relatively uniform distribution of precipitation throughout the year. The number of rainy days ranges from 9.3 in November to 17.4 in May.
Manassas Park experiences light snowfall primarily in the colder months, with January presenting a maximum of 3.7" (94mm) of snowfall, tapering off to practically no snowfall from May to October.
The best time to visit Manassas Park
With a moderate climate characterized by comfortable temperatures and least chances of rainfall or snow, September and October stand out as the best times to visit Manassas Park. During these months, the high temperatures fall around 79°F (26.1°C) and 67.1°F (19.5°C) respectively, with low temperatures near 59.7°F (15.4°C) and 49.1°F (9.5°C). The rainfall is also relatively less during this period with September recording an average precipitation of 1.93" (49mm), the lowest in the year.Tourists who enjoy the sun will find more daily sunshine hours during these months, especially September when the sunshine lasts for about 8.7 hours. Additionally, the average UV index during these months is moderate, suggesting a fairly safe outdoor environment for tourists.
The worst time to visit Manassas Park
On the contrary, the months of January and February seem to be less desirable for tourists due to adverse weather conditions. These months record the lowest temperatures, falling down to 26.4°F (-3.1°C) and 28.8°F (-1.8°C) respectively, and also experience substantial snowfall. Additionally, the low visibility, high relative humidity, and fewer daylight hours might impede outdoor activities and sightseeing.Spring weather in Manassas Park
Spring in Manassas Park is characterized by rising temperatures and increasing rainfall. March initiates the season with average high and low temperatures at 53.2°F (11.8°C) and 36°F (2.2°C), increasing to 75.4°F (24.1°C) and 55.2°F (12.9°C) by May. Rainfall also experiences an uptick during spring, beginning from 2.48" (63mm) in March and peaking at 3.11" (79mm) in May.Summer weather in Manassas Park
Summer brings the year's highest temperatures and increased sunshine hours in Manassas Park. July turns out to be the hottest month with temperatures soaring up to an average high of 88.3°F (31.3°C). Despite this, summer does not translate to a dry season, with rainfall recorded between 2.64" (67mm) in June to 3.43" (87mm) in August.Autumn weather in Manassas Park
Autumn in Manassas Park sees a decline in temperatures and a reduction in rain. Temperatures in September are still comfortable, with highs around 79°F (26.1°C), decreasing to 54.5°F (12.5°C) in November. Rainfall also observes a significant drop, from 1.93" (49mm) in September to 2.2" (56mm) in November.Winter weather in Manassas Park
Winter months in Manassas Park are marked by low temperatures, reduced sunlight, and increased chances of snowfall. January is the coldest month, where temperatures can drop to an average low of 26.4°F (-3.1°C). Snowfall is evident in these months, with January recording the highest snowfall of 3.7" (94mm). Another characteristic feature of the winter months is the reduced sunlight duration.Weather in January
January marks the coldest season in Manassas Park, Virginia, with the lowest temperature falling to 26.4°F (-3.1°C). The freshness of the new year often brings with it a largely cloudy sky with the highest cloud cover percentage, signaling the reduced visibility and overcast conditions. Weather in January »Weather in February
February experiences a slight increase in temperatures when compared to January. In the city, this period witnesses a relative rise in the frequency of rainfall along with diminishing snowfall, as winter transitions into spring. Weather in February »Weather in March
March in Manassas Park experiences moderate weather patterns with elevated temperatures reaching 53.2°F (11.8°C), a leap from February's peak. Prevailing weather conditions begin to display definite spring characteristics. Rainfall becomes more abundant, complementing the full bloom of spring around the city. Weather in March »Weather in April
April brings a substantial change in weather with temperatures climbing to 65.7°F (18.7°C), making it much warmer than March. Consistent rainfall ensures the city remains verdant, enhancing the beauty of Manassas Park's spring scenery. Weather in April »Weather in May
May is recognizably warmer in Manassas Park, signaling the onset of summer. Longer daylight hours accompanied by slightly shorter sunshine hours produce an interesting dance of light and shadow throughout the city. May's weather invites outdoor engagement with its mild conditions. Weather in May »Weather in June
Manassas Park receives the highest daily sunshine, 10.3 hours, during the sun-soaked month of June. Extended daylight hours, decreased humidity, and climbing temperatures solidify the summer's steady arrival. This phase is characterized by people enjoying long sunny days and pleasant evenings. Weather in June »Weather in July
July is the warmest month in Manassas Park with the mercury levels reaching as high as 88.3°F (31.3°C). Despite the intense heat, life flourishes with significantly lower cloud cover, ensuring the presence of ample sunlight. This peak summer phase is punctuated by consistent episodes of rainfall that provide relief from the heat. Weather in July »Weather in August
August in Manassas Park experiences relatively high temperatures, resembling July's weather patterns. The atmosphere is charged with a certain degree of humidity, making the heat more palpable. Rain makes frequent appearances, with the highest rainfall recorded, potentially leading to higher levels of humidity. Weather in August »Weather in September
September presents a break from the summer heat in Manassas Park as temperatures begin to descend, marking the onset of fall. A unique feature of September is the absence of snowfall, providing a clear distinction from the cold months. Weather in September »Weather in October
October in Manassas Park, Virginia signals a further descent in temperatures. Chilly evenings become a norm, and the city begins to experience a defined reduction in daylight hours. Consistent rainfall maintains the city's green cover, blessed by the pleasant October weather. Weather in October »Weather in November
By November, Manassas Park braves the first shivers of approaching winter with temperatures dipping to 38.1°F (3.4°C). This pre-winter period witnesses a drop in the number of rainfall days, signaling a switch from the transitional weather of fall. Weather in November »Weather in December
December proves to be the harbinger of winter in Manassas Park, with significantly lower temperatures compared to November. Snow makes a comeback, covering the city in a blanket of white, an unmistakable winter indicator. The cold months see the return of more frequent rainfall, adding to the typical winter chill. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Manassas Park, VA
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure
Manassas Park, 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
Manassas Park, VA
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.6mph - Average wind speed in March:
7mph - Average wind speed in April:
7mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5.1mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6mph - Average wind speed in December:
6mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Manassas Park, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Manassas Park, VA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.01" - Average rainfall in March:
2.48" - Average rainfall in April:
2.87" - Average rainfall in May:
3.11" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.68" - Average rainfall in August:
3.43" - Average rainfall in September:
1.93" - Average rainfall in October:
2.48" - Average rainfall in November:
2.2" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Manassas Park, VA
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall
Manassas Park, VA
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Manassas Park, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 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:
0.4 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Manassas Park, 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:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 36min - 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 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days
Manassas Park, VA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Manassas Park, 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
Manassas Park, VA
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Manassas Park, VA
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).








