May weather forecast
Thunder Hill, MD

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Weather in May

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

Temperature

As Thunder Hill, Maryland, transitions into May, the average high-temperature is observed to rise from a refreshing 63.1°F (17.3°C) in April to an agreeable 72.7°F (22.6°C). May nights in Thunder Hill are marked by an 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 Thunder Hill, in May, it is raining for 18 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 159.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

In Thunder Hill, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of May, sunrise is at 6:07 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 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 are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 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. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

Thunder Hill in May has an average high-temperature of 72.7°F (22.6°C) and an average low-temperature of 55.4°F (13°C).

What are the most humid months?

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

What is the average humidity in May?

In Thunder Hill, the average relative humidity in May is 77%.

How much does it rain in May?

In Thunder Hill, Maryland, in May, during 18 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow?

In Thunder Hill, snow does not fall in April through October.

What is the average length of the day in May?

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

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Thunder Hill have in May?

The average sunshine duration in May is 8.9h.

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?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Thunder Hill, MD

Average temperature in May - Thunder Hill, 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
Thunder Hill, MD

Average pressure in May - Thunder Hill, 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
Thunder Hill, MD

Average wind speed in May - Thunder Hill, 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
Thunder Hill, MD

Average humidity in May - Thunder Hill, 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
Thunder Hill, MD

Average rainfall in May - Thunder Hill, 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
Thunder Hill, MD

Average rainfall days in May - Thunder Hill, 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
Thunder Hill, MD

Average snowfall in May - Thunder Hill, 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
Thunder Hill, MD

Average snowfall days in May - Thunder Hill, 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
Thunder Hill, MD

Average daylight in May / Average sunshine in May - Thunder Hill, 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
Thunder Hill, MD

Average sunshine days in May - Thunder Hill, 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
Thunder Hill, MD

Average UV index in May - Thunder Hill, 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
Thunder Hill, MD

Average cloud cover in May - Thunder Hill, 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
Thunder Hill, MD

Average visibility in May - Thunder Hill, 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).

Thunder Hill, Maryland, USA

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