May weather forecast
Barclay, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Barclay, Maryland, with an average temperature ranging between max 71.4°F (21.9°C) and min 55.9°F (13.3°C).

Temperature

May brings a temperature increase, with average high-temperatures moving from April's refreshing 62.2°F (16.8°C) to a pleasant 71.4°F (21.9°C). Barclay encounters a steady low-temperature average of 55.9°F (13.3°C) throughout the month of May.

Humidity

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

Rainfall

In Barclay, in May, it is raining for 10.7 days, with typically 0.87" (22mm) of accumulated precipitation. In Barclay, during the entire year, the rain falls for 107.5 days and collects up to 10.67" (271mm) of precipitation.

Snowfall

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

Daylight

In Barclay, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:23 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the average May temperature in Barclay?

During May, Barclay experiences an average high-temperature of 71.4°F (21.9°C) and a low-temperature of 55.9°F (13.3°C).

What is the most humid month in Barclay?

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

What is the average humidity in May in Barclay?

The average relative humidity in May in Barclay is 79%.

How much does it rain in Barclay in May?

In Barclay, in May, it is raining for 10.7 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Barclay?

April through October are months without snowfall in Barclay.

What is the average length of the day in May in Barclay?

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

When are sunrise and sunset in May in Barclay?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 7:56 pm. On the last day of the month, in Barclay, Maryland, sunrise is at 5:39 am and sunset at 8:23 pm EDT.

How long on average sun shines in May in Barclay?

In May, the average sunshine duration in Barclay, Maryland, is 9h.

When is the highest UV index in Barclay?

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

What is the UV index reading in May in Barclay?

In Barclay, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe 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
Barclay, MD

Average temperature in May - Barclay, MD
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in May
Barclay, MD

Average pressure in May - Barclay, 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).

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Average wind speed in May
Barclay, MD

Average wind speed in May - Barclay, MD
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in May
Barclay, MD

Average humidity in May - Barclay, 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, March, April and November (74%).

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Average rainfall in May
Barclay, MD

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

The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in May
Barclay, MD

Average rainfall days in May - Barclay, MD
  • Average rainfall days in May: 10.7 days

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (5.6 days).

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Average snowfall in May
Barclay, MD

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

The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Barclay, MD

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

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Barclay, 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 6min).

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Average sunshine days in May
Barclay, MD

Average sunshine days in May - Barclay, MD
  • Average sunshine days in May: 17.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (15.1 days).

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Average UV index in May
Barclay, MD

Average UV index in May - Barclay, 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).

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Average cloud cover in May
Barclay, MD

Average cloud cover in May - Barclay, MD
  • Average cloud cover in May: 43

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

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Average visibility in May
Barclay, MD

Average visibility in May - Barclay, 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).

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Barclay, Maryland, USA

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