May weather forecast
Barstow, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Barstow, Maryland, with an average temperature fluctuating between 58.1°F (14.5°C) and 72.1°F (22.3°C).

Temperature

Barstow's transition into May sees a mild rise in the average high-temperature, edging from an enjoyable 63.5°F (17.5°C) in April to a pleasant 72.1°F (22.3°C). Barstow records a mean low-temperature of 58.1°F (14.5°C) in May.

Humidity

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

Rainfall

In Barstow, in May, during 17.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 158.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 17min.
On the first day of May in Barstow, sunrise is at 6:08 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:24 pm EDT.

Sunshine

The average sunshine in May is 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Barstow, is 72.1°F (22.3°C), while the low-temperature averages to 58.1°F (14.5°C).

What is the most humid month?

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

What is the average humidity in May?

The average relative humidity in May is 79%.

How many days does it rain in May?

In May, the rain falls for 17.1 days. Throughout May, 3.03" (77mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Barstow have in May?

In Barstow, the average day length in May is 14h and 17min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:08 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:24 pm EDT.

How many hours of sunshine does Barstow have in May?

The average sunshine duration in May is 9h.

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.

What is the UV index reading in May?

In Barstow, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Barstow, MD

Average temperature in May - Barstow, MD
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in May
Barstow, MD

Average pressure in May - Barstow, 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 (29.95"Hg).

Average wind speed in May
Barstow, MD

Average wind speed in May - Barstow, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in May
Barstow, MD

Average humidity in May - Barstow, MD
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (72%).

Average rainfall in May
Barstow, MD

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

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in May
Barstow, MD

Average rainfall days in May - Barstow, MD
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in May
Barstow, MD

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

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Barstow, MD

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

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in May
Barstow, MD

Average sunshine days in May - Barstow, MD
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in May
Barstow, MD

Average UV index in May - Barstow, 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).

Average cloud cover in May
Barstow, MD

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

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
Barstow, MD

Average visibility in May - Barstow, 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).

Barstow, Maryland, USA

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