May weather forecast
Ellicott City, MD

Weather in May

The last month of the spring, May, is a pleasant month in Ellicott City, Maryland, with an average temperature fluctuating between 72.5°F (22.5°C) and 55.2°F (12.9°C).

Temperature

In Ellicott City, the average high-temperature in May rises from an enjoyable 63.1°F (17.3°C) in April to an agreeable 72.5°F (22.5°C). The average low-temperature, is 55.2°F (12.9°C).

Humidity

The months with the highest humidity are May and October, with an average relative humidity of 77%.

Rainfall

In Ellicott City, during 18.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Ellicott City, Maryland, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Ellicott City, the average length of the day in May is 14h and 21min.
On the first day of May, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:27 pm EDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the temperature in May in Ellicott City?

The average high-temperature, in May, is 72.5°F (22.5°C), while the average low-temperature is 55.2°F (12.9°C).

What are the most humid months in Ellicott City?

The months with the highest humidity in Ellicott City, Maryland, are May and October, with an average relative humidity of 77%.

What is the average humidity in May in Ellicott City?

The average relative humidity in May is 77%.

How much does it rain in Ellicott City in May?

In Ellicott City, in May, during 18.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Ellicott City?

In Ellicott City, snow does not fall in May through October.

Does it snow in Ellicott City in May?

In May, in Ellicott City, Maryland, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Ellicott City have in May?

The average day length in May is 14h and 21min.

When is the sunrise / sunset in May in Ellicott City?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:27 pm EDT.

How long on average sun shines in May in Ellicott City?

The average sunshine duration in May in Ellicott City, Maryland, is 8.9h.

What is the month with the highest UV index in Ellicott City?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Ellicott City?

In May, the average daily maximum UV index in Ellicott City, Maryland, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Ellicott City, MD

Average temperature in May - Ellicott City, MD
  • Average high temperature in May: 72.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in May: 55.2°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

[Resources]

Average pressure in May
Ellicott City, MD

Average pressure in May - Ellicott City, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in May
Ellicott City, MD

Average wind speed in May - Ellicott City, MD
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

[Resources]

Average humidity in May
Ellicott City, MD

Average humidity in May - Ellicott City, MD
  • Average humidity in May: 77%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

[Resources]

Average rainfall in May
Ellicott City, MD

Average rainfall in May - Ellicott City, MD
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

[Resources]

Average rainfall days in May
Ellicott City, MD

Average rainfall days in May - Ellicott City, MD
  • Average rainfall days in May: 18.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

[Resources]

Average snowfall in May
Ellicott City, MD

Average snowfall in May - Ellicott City, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Ellicott City, MD

Average snowfall days in May - Ellicott City, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Ellicott City, MD

Average daylight in May / Average sunshine in May - Ellicott City, MD
  • Average daylight in May: 14h and 21min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in May: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in May
Ellicott City, MD

Average sunshine days in May - Ellicott City, MD
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

[Resources]

Average UV index in May
Ellicott City, MD

Average UV index in May - Ellicott City, MD
  • Average UV index in May: 6

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).

[Resources]

Average cloud cover in May
Ellicott City, MD

Average cloud cover in May - Ellicott City, MD
  • Average cloud cover in May: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

[Resources]

Average visibility in May
Ellicott City, MD

Average visibility in May - Ellicott City, MD
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location