May weather forecast
Londontowne, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Londontowne, Maryland, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 57.7°F (14.3°C).

Temperature

The shift into May brings an increase in the average high-temperature, moving from an enjoyable 62.2°F (16.8°C) in April to an agreeable 71.2°F (21.8°C). In Londontowne, the average nighttime temperature during May is a moderate 57.7°F (14.3°C).

Humidity

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

Rainfall

In Londontowne, in May, during 13.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Londontowne, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall in Londontowne, Maryland.

Ocean temperature

In Londontowne, in May, the average water temperature is 57.7°F (14.3°C).
Note: In 57.7°F (14.3°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.

Daylight

In Londontowne, the average length of the day in May is 14h and 19min.
On the first day of May, sunrise is at 6:07 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.

Sunshine

The average sunshine in May is 9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

During May, Londontowne experiences an average high-temperature of 71.2°F (21.8°C) and a low-temperature of 57.7°F (14.3°C).

What is the most humid month?

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

What is the average humidity in May?

In Londontowne, the average relative humidity in May is 78%.

How many days does it rain in May?

In Londontowne, in May, it is raining for 13.8 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow?

In Londontowne, snow does not fall in April through October.

What is the water temperature in May?

In Londontowne, the average seawater temperature in May is 57.7°F (14.3°C). Swimming in 57.7°F (14.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May?

The average day length in May is 14h and 19min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:07 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 9h.

When is the highest UV index?

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

What is the UV index intensity in May?

In Londontowne, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes 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
Londontowne, MD

Average temperature in May - Londontowne, MD
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in May
Londontowne, MD

Average pressure in May - Londontowne, MD
  • Average pressure in May: 30.01"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
Londontowne, MD

Average wind speed in May - Londontowne, MD
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in May
Londontowne, MD

Average humidity in May - Londontowne, 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
Londontowne, MD

Average rainfall in May - Londontowne, MD
  • Average rainfall in May: 0.87"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in May
Londontowne, MD

Average rainfall days in May - Londontowne, MD
  • Average rainfall days in May: 13.8 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in May
Londontowne, MD

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

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Londontowne, MD

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

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in May
Londontowne, MD

Average sea temperature in May - Londontowne, MD
  • Average sea temperature in May: 57.7°F

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

Average daylight in May /
Average sunshine in May
Londontowne, MD

Average daylight in May / Average sunshine in May - Londontowne, 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 0min

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).

Average sunshine days in May
Londontowne, MD

Average sunshine days in May - Londontowne, MD
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in May
Londontowne, MD

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

Average cloud cover in May
Londontowne, MD

Average cloud cover in May - Londontowne, MD
  • Average cloud cover in May: 41

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
Londontowne, MD

Average visibility in May - Londontowne, 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).

Londontowne, Maryland, USA

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