May weather forecast
Harbour Glen, MD

Share

Weather in May

May, the last month of the spring in Harbour Glen, is a pleasant month, with an average temperature varying between 72.1°F (22.3°C) and 57.2°F (14°C).

Temperature

With the onset of May, Harbour Glen experiences a temperature shift, with the average high-temperature moving from a refreshing 62.8°F (17.1°C) in April to a pleasant 72.1°F (22.3°C). Harbour Glen's temperature drops to an average low of 57.2°F (14°C) during the nights of May.

Humidity

May is the most humid month, with an average relative humidity of 78%.

Rainfall

In May, the rain falls for 17.5 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. In Harbour Glen, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

In Harbour Glen, snow does not fall in May through October.

Daylight

In Harbour Glen, the average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

Sunshine

In Harbour Glen, the average sunshine in May is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Harbour Glen, records 72.1°F (22.3°C), while the low-temperature is 57.2°F (14°C).

What is the most humid month?

The most humid month is May, with an average relative humidity of 78%.

What is the average humidity in May?

The average relative humidity in May is 78%.

How many days does it rain in May?

In Harbour Glen, in May, during 17.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow in Harbour Glen?

May through October are months without snowfall.

Does it snow in May?

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

What is the average length of the day in May?

In Harbour Glen, the average day length in May is 14h and 20min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:25 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.1h.

What are the months with the highest UV index?

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

How high is the UV index in May?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harbour Glen, MD

Average temperature in May - Harbour Glen, MD
  • Average high temperature in May: 72.1°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 (39.6°F).

  • Average low temperature in May: 57.2°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in May
Harbour Glen, MD

Average pressure in May - Harbour Glen, 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).

Average wind speed in May
Harbour Glen, MD

Average wind speed in May - Harbour Glen, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in May
Harbour Glen, MD

Average humidity in May - Harbour Glen, MD
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in May
Harbour Glen, MD

Average rainfall in May - Harbour Glen, MD
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in May
Harbour Glen, MD

Average rainfall days in May - Harbour Glen, MD
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in May
Harbour Glen, MD

Average snowfall in May - Harbour Glen, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Harbour Glen, MD

Average snowfall days in May - Harbour Glen, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Harbour Glen, MD

Average daylight in May / Average sunshine in May - Harbour Glen, MD
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in May
Harbour Glen, MD

Average sunshine days in May - Harbour Glen, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in May
Harbour Glen, MD

Average UV index in May - Harbour Glen, 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, November and December (UV index 2).

Average cloud cover in May
Harbour Glen, MD

Average cloud cover in May - Harbour Glen, MD
  • Average cloud cover in May: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May
Harbour Glen, MD

Average visibility in May - Harbour Glen, 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).

Harbour Glen, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location