Manassas Weather in May

May in Manassas averages 24°C (75°F) during the day and 12°C (54°F) at night. It is the wettest month of the year, with 132 mm (5.2 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Manassas in May

With frequent rain showers this month, having an umbrella on hand will keep you dry. Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 132 mm (5.2 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Manassas in May

Temperatures in Manassas in May top out at 24°C (75°F) and drop to 12°C (54°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Manassas in May

With approximately 259 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Should you favor a climate that's both dry and comfortably warm, April typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Manassas's climate page.

Manassas Temperature in May

Min Temperature 12°C (54°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 43%  

Precipitation 132 mm (5.2 in)  

Rainy days 13 days  

Humidity 64% *  

Sunshine 259 hours *  

Percentage Sunshine 59% *  

* Data from: Washington DC, the United States of America (39 KM, 24 Miles).

What to Wear in Manassas in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Manassas in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Manassas's climate page.

More climate data for Manassas

Temperature Rainfall Sunshine Humidity

See the full Manassas climate overview or explore weather in the United States of America.