January weather forecast
Colonial Beach, VA

Weather in January

January, the same as December, is a wintry winter month in Colonial Beach, Virginia, with average temperature ranging between max 42.3°F (5.7°C) and min 28.8°F (-1.8°C).

Temperature

January is the coldest month, with an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 28.8°F (-1.8°C).

Humidity

The average relative humidity in January is 74%.

Rainfall

In Colonial Beach, it is raining for 9.4 days, with typically 2.05" (52mm) of accumulated precipitation. In Colonial Beach, during the entire year, the rain falls for 158.1 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

Months with snowfall in Colonial Beach are January through April, November and December. January is the month with the most snowfall in Colonial Beach. Snow falls for 4 days and accumulates 1.85" (47mm) of snow.

Ocean temperature

In Colonial Beach, in January, the average water temperature is 48.9°F (9.4°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in Colonial Beach is 9.9h.

Sunshine

In Colonial Beach, the average sunshine in January is 5.4h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Colonial Beach. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Colonial Beach?

With an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 28.8°F (-1.8°C), January is the coldest month in Colonial Beach.

What is the average humidity in January in Colonial Beach?

In Colonial Beach, the average relative humidity in January is 74%.

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

In Colonial Beach, during January, the rain falls for 9.4 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When does it snow the most in Colonial Beach?

January is the month with the most snowfall. Snow falls for 4 days and accumulates 1.85" (47mm) of snow.

How much does it snow in Colonial Beach in January?

In Colonial Beach, in January, snow falls for 4 days, with typically accumulated 1.85" (47mm) of snow.

What is the ocean temperature in January in Colonial Beach?

In Colonial Beach, in January, the average water temperature is 48.9°F (9.4°C). Swimming in 48.9°F (9.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In Colonial Beach, Virginia, the average length of the day in January is 9.9h.

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

In January, the average sunshine in Colonial Beach, Virginia, is 5.4h.

When is the lowest UV index in Colonial Beach?

Months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

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

The average daily maximum UV index in January in Colonial Beach is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.

Average temperature in January
Colonial Beach, VA

Average temperature in January - Colonial Beach, VA
  • Average high temperature in January: 42.3°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 January: 28.8°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).

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Average pressure in January
Colonial Beach, VA

Average pressure in January - Colonial Beach, VA
  • Average pressure in January: 30.11"

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

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Average wind speed in January
Colonial Beach, VA

Average wind speed in January - Colonial Beach, VA
  • Average wind speed in January: 7.4mph

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).

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Average humidity in January
Colonial Beach, VA

Average humidity in January - Colonial Beach, VA
  • Average humidity in January: 74%

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

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Average rainfall in January
Colonial Beach, VA

Average rainfall in January - Colonial Beach, VA
  • Average rainfall in January: 2.05"

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

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Average rainfall days in January
Colonial Beach, VA

Average rainfall days in January - Colonial Beach, VA
  • Average rainfall days in January: 9.4 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).

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Average snowfall in January
Colonial Beach, VA

Average snowfall in January - Colonial Beach, VA
  • Average snowfall in January: 1.85"

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

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Average snowfall days in January
Colonial Beach, VA

Average snowfall days in January - Colonial Beach, VA
  • Average snowfall days in January: 4 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).

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Average sea temperature in January
Colonial Beach, VA

Average sea temperature in January - Colonial Beach, VA
  • Average sea temperature in January: 49°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).

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

Average daylight in January / Average sunshine in January - Colonial Beach, VA
  • Average daylight in January: 9.9h

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 January: 5.4h

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).

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Average sunshine days in January
Colonial Beach, VA

Average sunshine days in January - Colonial Beach, VA
  • Average sunshine days in January: 18.1 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).

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Average UV index in January
Colonial Beach, VA

Average UV index in January - Colonial Beach, VA
  • Average UV index in January: 2

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).

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Average cloud cover in January
Colonial Beach, VA

Average cloud cover in January - Colonial Beach, VA
  • Average cloud cover in January: 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).

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Average visibility in January
Colonial Beach, VA

Average visibility in January - Colonial Beach, VA
  • Average visibility in January: 6mi

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).

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