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What’s the climate like in Manassas?

The current climate of Manassas features average monthly temperatures ranging from highs of 32°C during the day to lows of 7°C. The average yearly temperature is around 21°C. At night, temperatures in the colder months average around -4°C and in the warmer months around 20°C.

The highest temperature recorded in Manassas in recent years was 39°C in July 2020. The lowest daytime temperature recorded was -9°C in February 2015.

On average, Manassas gets 514 mm of precipitation each year. Of this, about 34 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.

Best time to visit Manassas?

The best time to visit Manassas for sunny weather is April through October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Manassas. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Manassas

The climate table of Manassas shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 7 10 16 20 24 29 32 31 27 22 15 10
Temp. min (°C) -4 -2 3 7 13 17 20 19 16 9 1 -1
Precipitation
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Precipitation (mm) 38 41 43 52 72 26 45 36 24 43 35 59
Snow (cm) 19 6,8 5,9 0 0 0 0 0 0 0 0,2 1,5
UV Index 2 3 3 7 4 8 6 5 4 3 2 2

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 21°C
  • Highest temperature: 32°C in July
  • Lowest temperature: 7°C in January
  • Precipitation*: 514 mm per year, averaging 43 mm per month
  • Snowfall: 34 cm per year
  • Driest months: 24 mm in September, 26 mm in June and 35 mm in November
  • Wettest months: 72 mm in May, 59 mm in December and 52 mm in April

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Manassas

This graph shows the average maximum temperatures per month in Manassas, Virginia. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Manassas, Virginia,

Average Precipitation per Month in Manassas

This graph shows how much precipitation Manassas, Virginia, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Manassas, Virginia,

Average Snowfall per Month in Manassas

This graph shows how much snow Manassas, Virginia, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Manassas, Virginia,

Average UV Index per Month in Manassas

This graph shows the average UV index per month in Manassas, Virginia. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Manassas, Virginia,

Yearly Temperature in Manassas

This graph shows the average yearly temperature in Manassas, Virginia. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Manassas, Virginia,

Total Yearly Precipitation in Manassas

This chart shows the total yearly precipitation in Manassas, Virginia, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Manassas, Virginia,

Total Yearly Snowfall in Manassas

This chart shows the total yearly snowfall in Manassas, Virginia, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Manassas, Virginia,

Weather experiences in Manassas

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Average Weather in Manassas by Month

Click on a month below to see detailed weather info for Manassas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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