May weather forecast
Twelve Hills, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Twelve Hills, Maryland, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 72.7°F (22.6°C).

Temperature

As April transitions into May, Twelve Hills sees a rise in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) to an agreeable 72.7°F (22.6°C). May brings Twelve Hills a consistent average low-temperature of 55.4°F (13°C).

Humidity

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

Rainfall

In Twelve Hills, in May, it is raining for 18 days, with typically 3.15" (80mm) of accumulated precipitation. In Twelve Hills, during the entire year, the rain falls for 159.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

In Twelve Hills, snow does not fall in April through October.

Daylight

In Twelve Hills, the average length of the day in May is 14h and 20min.
On the first day of May in Twelve Hills, sunrise is at 6:08 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:27 pm EDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

The months with the highest UV index in Twelve Hills are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the usual temperature for Twelve Hills in May?

The high-temperature, in May, in Twelve Hills, records 72.7°F (22.6°C), while the low-temperature is 55.4°F (13°C).

What are the most humid months?

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

What is the average humidity in May?

In May, the average relative humidity is 77%.

How many days does it rain in May?

In Twelve Hills, in May, it is raining for 18 days, with typically 3.15" (80mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall in Twelve Hills.

How many hours of daylight does Twelve Hills have in May?

The average day length in May is 14h and 20min.

When are sunrise and sunset in May in Twelve Hills?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:27 pm EDT.

How long on average sun shines in May?

In Twelve Hills, the average sunshine duration in May is 8.9h.

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.

What is the UV index intensity in May?

In Twelve Hills, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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
Twelve Hills, MD

Average temperature in May - Twelve Hills, MD
  • Average high temperature in May: 72.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in May
Twelve Hills, MD

Average pressure in May - Twelve Hills, 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
Twelve Hills, MD

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Twelve Hills, MD

Average humidity in May - Twelve Hills, MD
  • Average humidity in May: 77%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in May
Twelve Hills, MD

Average rainfall in May - Twelve Hills, MD
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in May
Twelve Hills, MD

Average rainfall days in May - Twelve Hills, MD
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in May
Twelve Hills, MD

Average snowfall in May - Twelve Hills, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Twelve Hills, MD

Average snowfall days in May - Twelve Hills, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (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
Twelve Hills, MD

Average daylight in May / Average sunshine in May - Twelve Hills, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in May
Twelve Hills, MD

Average sunshine days in May - Twelve Hills, MD
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

Average UV index in May
Twelve Hills, MD

Average UV index in May - Twelve Hills, 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).

Average cloud cover in May
Twelve Hills, MD

Average cloud cover in May - Twelve Hills, 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).

Average visibility in May
Twelve Hills, MD

Average visibility in May - Twelve Hills, 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).

Twelve Hills, Maryland, USA

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