Maryland
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Maryland Weather in May

May in Maryland brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Maryland in May

As part of the rainy season, Maryland sees around 13 days of rain in May, with an average of 224 mm (8.8 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.

Temperature in Maryland in May

In May, expect very high temperatures in Maryland, with highs of 31°C (88°F) and lows of 25°C (77°F) at night. It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Maryland in May

The month experiences a moderate amount of sunlight, with 177 hours of sunshine. This provides a nice balance between sunshine and rain.

May in Maryland has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Maryland Temperature in May

Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
42%
Precipitation
224 mm (8.8 in)
Rainy days
13 days
Humidity
84% *
Sunshine
177 hours *
Percentage Sunshine
*
* Data from: Lagos, Nigeria (13 KM, 8 Miles).

Maryland Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Maryland - and find the best time to visit.

Historical weather records for Maryland in May

Browse day-by-day weather records for Maryland spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Maryland historical weather extremes in May

Based on weather observations in Maryland between 2006 and 2026, these are the recorded extremes during May.

  • The hottest May day on record in Maryland reached 39°C (102°F) (May 12, 2026).
  • On May 20, 2006, Maryland saw its coldest May day with temperatures maxing out at 26°C (79°F).
  • Maryland registered its coldest May night on May 21, 2020, with temperatures dropping to 20°C (68°F).

Best Places in Nigeria in May

Find out more about the weather in Nigeria and which places have the best travel conditions in this month. See all of Nigeria in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Maryland in May

Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Maryland in May

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

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Maryland 3-Day Forecast

More climate data for Maryland

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.