May weather forecast
Colonial Beach, VA

Weather in May

May, the last month of the spring, in Colonial Beach, is a warm month, with average temperature fluctuating between 75°F (23.9°C) and 57.2°F (14°C).

Temperature

In May, the average high-temperature slightly increases, from an enjoyable 66.4°F (19.1°C) in April, to a warm 75°F (23.9°C). In May, the average low-temperature is 57.2°F (14°C).

Humidity

May and December, with an average relative humidity of 78%, are most humid months in Colonial Beach.

Rainfall

In May, the rain falls for 17.3 days. Throughout May, 2.72" (69mm) of precipitation is accumulated. In Colonial Beach, Virginia, during the entire year, the rain falls for 158.1 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

In Colonial Beach, Virginia, snow does not fall through October.

Ocean temperature

In Colonial Beach, the average water temperature is 59.2°F (15.1°C).
Note: For swimming, a surface water temperature of 59.2°F (15.1°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In Colonial Beach, the average length of the day is 14.3h.

Sunshine

The average sunshine in Colonial Beach is 9.2h.

UV index

Months with the highest UV index in Colonial Beach are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What are the most humid months in Colonial Beach?

Months with the highest humidity in Colonial Beach are May and December, with an average relative humidity of 78%.

What is the average humidity in May in Colonial Beach?

In May, the average relative humidity is 78%.

How many days does it rain in May in Colonial Beach?

In May, the rain falls for 17.3 days. Throughout May, 2.72" (69mm) of precipitation is accumulated.

When it does not snow in Colonial Beach?

May through October are months without snowfall.

Does it snow in Colonial Beach in May?

In May, in Colonial Beach, Virginia, it doesn't snow. April is the latest month when it typically snows.

What is the ocean temperature in May in Colonial Beach?

In Colonial Beach, in May, the average water temperature is 59.2°F (15.1°C). Swimming in 59.2°F (15.1°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in May in Colonial Beach?

In Colonial Beach, the average length of the day in May is 14.3h.

How many hours of sunshine does Colonial Beach have in May?

In Colonial Beach, the average sunshine in May is 9.2h.

When is the highest UV index in Colonial Beach?

Months with the highest UV index in Colonial Beach, Virginia, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Colonial Beach?

In Colonial Beach, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Colonial Beach, VA

Average temperature in May - Colonial Beach, VA
  • Average high temperature in May: 75°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in May: 57.2°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 (28.8°F).

[Resources]

Average pressure in May
Colonial Beach, VA

Average pressure in May - Colonial Beach, VA
  • Average pressure in May: 30.02"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

[Resources]

Average wind speed in May
Colonial Beach, VA

Average wind speed in May - Colonial Beach, VA
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

[Resources]

Average humidity in May
Colonial Beach, VA

Average humidity in May - Colonial Beach, VA
  • Average humidity in May: 78%

Months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).

[Resources]

Average rainfall in May
Colonial Beach, VA

Average rainfall in May - Colonial Beach, VA
  • Average rainfall in May: 2.72"

The wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the least rainfall) is September (1.97").

[Resources]

Average rainfall days in May
Colonial Beach, VA

Average rainfall days in May - Colonial Beach, VA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (9.4 days).

[Resources]

Average snowfall in May
Colonial Beach, VA

Average snowfall in May - Colonial Beach, VA
  • Average snowfall in May: 0"

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

[Resources]

Average snowfall days in May
Colonial Beach, VA

Average snowfall days in May - Colonial Beach, VA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in May
Colonial Beach, VA

Average sea temperature in May - Colonial Beach, VA
  • Average sea temperature in May: 59.2°F

The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).

[Resources]

Average daylight in May /
Average sunshine in May
Colonial Beach, VA

Average daylight in May / Average sunshine in May - Colonial Beach, VA
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 9.2h

The month with the most sunshine is July (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

[Resources]

Average sunshine days in May
Colonial Beach, VA

Average sunshine days in May - Colonial Beach, VA
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).

[Resources]

Average UV index in May
Colonial Beach, VA

Average UV index in May - Colonial Beach, VA
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

[Resources]

Average cloud cover in May
Colonial Beach, VA

Average cloud cover in May - Colonial Beach, VA
  • 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 31).

[Resources]

Average visibility in May
Colonial Beach, VA

Average visibility in May - Colonial Beach, VA
  • Average visibility in May: 5mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location