May weather forecast
Royal Oak, MD

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Weather in May

The last month of the spring, May, is a pleasant month in Royal Oak, Maryland, with an average temperature fluctuating between 70.7°F (21.5°C) and 57.9°F (14.4°C).

Temperature

As Royal Oak welcomes May, the average high-temperature displays a subtle shift, adjusting from an enjoyable 62.1°F (16.7°C) in April to an agreeable 70.7°F (21.5°C). Royal Oak's May nights cool down to an average low-temperature of 57.9°F (14.4°C).

Humidity

With an average relative humidity of 79%, May is the most humid month.

Rainfall

In Royal Oak, in May, during 17.2 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Royal Oak, during the entire year, the rain falls for 157.2 days and collects up to 33.27" (845mm) of precipitation.

Snowfall

In Royal Oak, snow does not fall in May through October.

Daylight

In May, the average length of the day is 14h and 18min.
On the first day of May, sunrise is at 6:06 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine is 9.3h.

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 radiation for the ordinary person.
Note: The UV index of 6 in May translates into these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Royal Oak in May?

The high-temperature during May is 70.7°F (21.5°C) and the low-temperature is 57.9°F (14.4°C).

What is the most humid month?

May is the most humid month, with an average relative humidity of 79%.

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in Royal Oak in May?

In Royal Oak, in May, during 17.2 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the average length of the day in May?

In May, the average day length is 14h and 18min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.3h.

When is the highest UV index?

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

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Royal Oak, MD

Average temperature in May - Royal Oak, MD
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in May: 57.9°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in May
Royal Oak, MD

Average pressure in May - Royal Oak, MD
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Royal Oak, MD

Average wind speed in May - Royal Oak, MD
  • Average wind speed in May: 8.3mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in May
Royal Oak, MD

Average humidity in May - Royal Oak, MD
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in May
Royal Oak, MD

Average rainfall in May - Royal Oak, MD
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in May
Royal Oak, MD

Average rainfall days in May - Royal Oak, MD
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).

Average snowfall in May
Royal Oak, MD

Average snowfall in May - Royal Oak, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Royal Oak, MD

Average snowfall days in May - Royal Oak, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.2 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
Royal Oak, MD

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

Average sunshine days in May
Royal Oak, MD

Average sunshine days in May - Royal Oak, MD
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).

Average UV index in May
Royal Oak, MD

Average UV index in May - Royal Oak, 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 and December (UV index 2).

Average cloud cover in May
Royal Oak, MD

Average cloud cover in May - Royal Oak, MD
  • Average cloud cover in May: 40

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Royal Oak, MD

Average visibility in May - Royal Oak, 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).

Royal Oak, Maryland, USA

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