May weather forecast
Trevanion, MD

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Weather in May

The last month of the spring, May, is an agreeable month in Trevanion, Maryland, with an average temperature ranging between max 71.2°F (21.8°C) and min 52.9°F (11.6°C).

Temperature

The rise of average high-temperatures is seen in May, with an increase from a refreshing 61.5°F (16.4°C) in April to a pleasant 71.2°F (21.8°C). The average temperature drops to a cool 52.9°F (11.6°C) during the night in the month of May.

Humidity

May is the most humid month, with an average relative humidity of 80%.

Rainfall

In Trevanion, in May, during 18 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 157.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Trevanion aggregates 0.04" (1mm) of snow. In Trevanion, Maryland, during the entire year, snow falls for 22.3 days and aggregates up to 9.76" (248mm) of snow.

Daylight

In May, the average length of the day is 14h and 23min.
On the first day of May in Trevanion, sunrise is at 6:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:29 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Deflect overexposure. Sun protection is a necessity. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In Trevanion, 71.2°F (21.8°C) is the average high-temperature and 52.9°F (11.6°C) is the average low-temperature during May.

What is the most humid month?

The most humid month is May, with an average relative humidity of 80%.

What is the average humidity in May?

The average relative humidity in May is 80%.

How many days does it rain in May?

In Trevanion, during May, the rain falls for 18 days and regularly aggregates up to 2.95" (75mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Trevanion aggregates 0.04" (1mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 23min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:29 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.5h.

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 reading in May?

In Trevanion, Maryland, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents 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
Trevanion, MD

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

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 52.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in May
Trevanion, MD

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

Average wind speed in May
Trevanion, MD

Average wind speed in May - Trevanion, MD
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in May
Trevanion, MD

Average humidity in May - Trevanion, MD
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Trevanion, MD

Average rainfall in May - Trevanion, MD
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in May
Trevanion, MD

Average rainfall days in May - Trevanion, 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 (7.6 days).

Average snowfall in May
Trevanion, MD

Average snowfall in May - Trevanion, MD
  • Average snowfall in May: 0.04"

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

Average snowfall days in May
Trevanion, MD

Average snowfall days in May - Trevanion, MD
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Trevanion, 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 24min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Trevanion, MD

Average sunshine days in May - Trevanion, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in May
Trevanion, MD

Average UV index in May - Trevanion, 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
Trevanion, MD

Average cloud cover in May - Trevanion, MD
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Trevanion, MD

Average visibility in May - Trevanion, MD
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Trevanion, Maryland, USA

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