May weather forecast
Rosaryville, MD

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Weather in May

The last month of the spring, May, is a moderately hot month in Rosaryville, Maryland, with an average temperature ranging between max 73.6°F (23.1°C) and min 57°F (13.9°C).

Temperature

An escalation in the average high-temperature is seen with the onset of May, moving from a comfortable 64.4°F (18°C) in April to a warm 73.6°F (23.1°C). Rosaryville records an average nighttime low-temperature of 57°F (13.9°C) throughout May.

Humidity

May is the most humid month, with an average relative humidity of 77%.

Rainfall

In Rosaryville, during May, the rain falls for 17.7 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Rosaryville, during the entire year, the rain falls for 164.8 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

In Rosaryville, 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 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:26 pm EDT.

Sunshine

In Rosaryville, 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 in Rosaryville. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

Rosaryville in May has an average high-temperature of 73.6°F (23.1°C) and an average low-temperature of 57°F (13.9°C).

What is the most humid month?

The most humid month is May, with an average relative humidity of 77%.

What is the average humidity in May in Rosaryville?

In May, the average relative humidity is 77%.

How much does it rain in May?

In Rosaryville, in May, it is raining for 17.7 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow?

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.

How many hours of daylight does Rosaryville have in May?

The average day length in May is 14h and 18min.

When is the sunrise / sunset in May?

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, in Rosaryville, sunrise is at 5:44 am and sunset at 8:26 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.1h.

What is the month with the highest UV index?

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

How high is the UV index in May?

In May, the average daily maximum UV index 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
Rosaryville, MD

Average temperature in May - Rosaryville, MD
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in May
Rosaryville, MD

Average pressure in May - Rosaryville, 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
Rosaryville, MD

Average wind speed in May - Rosaryville, MD
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in May
Rosaryville, MD

Average humidity in May - Rosaryville, MD
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).

Average rainfall in May
Rosaryville, MD

Average rainfall in May - Rosaryville, MD
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in May
Rosaryville, MD

Average rainfall days in May - Rosaryville, MD
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in May
Rosaryville, MD

Average snowfall in May - Rosaryville, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Rosaryville, MD

Average snowfall days in May - Rosaryville, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.6 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
Rosaryville, MD

Average daylight in May / Average sunshine in May - Rosaryville, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in May
Rosaryville, MD

Average sunshine days in May - Rosaryville, MD
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in May
Rosaryville, MD

Average UV index in May - Rosaryville, 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
Rosaryville, MD

Average cloud cover in May - Rosaryville, MD
  • Average cloud cover in May: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Rosaryville, MD

Average visibility in May - Rosaryville, 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).

Rosaryville, Maryland, USA

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