April weather forecast
Williamstown, KY

englishespañol中文
Share

Weather in April

April in Williamstown, Kentucky, is an enjoyable spring month, with an average temperature fluctuating between 64.8°F (18.2°C) and 45.5°F (7.5°C).

Temperature

With the onset of April, Williamstown's average high-temperature sees a rise, moving from March's fresh 52.3°F (11.3°C) to a comfortable 64.8°F (18.2°C). During April, Williamstown witnesses a consistent average low-temperature of 45.5°F (7.5°C).

Humidity

The average relative humidity in April is 76%.

Rainfall

April is the month with the most rainfall in Williamstown. Rain falls for 16.6 days and accumulates 3.82" (97mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Williamstown, Kentucky. April is the last month it regularly snows in Williamstown, Kentucky. During 0.9 snowfall days, in April, Williamstown aggregates 0.31" (8mm) of snow. Throughout the year, in Williamstown, there are 37 snowfall days, and 12.87" (327mm) of snow is accumulated.

Daylight

In Williamstown, the average length of the day in April is 13h and 14min.
On the first day of the month, sunrise is at 7:21 am and sunset at 8:02 pm. On the last day of April, sunrise is at 6:40 am and sunset at 8:29 pm EDT.

Sunshine

The average sunshine in April in Williamstown is 7.6h.

UV index

The average daily maximum UV index in April in Williamstown, Kentucky, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in April interprets into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
[Resources]

Frequently asked questions

What is the temperature in April in Williamstown?

The average high-temperature and low-temperature in Williamstown, Kentucky, during April are 64.8°F (18.2°C) and 45.5°F (7.5°C) respectively.

What is the average humidity in April in Williamstown?

In April, the average relative humidity in Williamstown is 76%.

What is the rainiest month in Williamstown?

The month with the most rainfall in Williamstown is April, when the rain falls for 16.6 days and typically aggregates up to 3.82" (97mm) of precipitation.

How many days does it rain in April in Williamstown?

In Williamstown, in April, it is raining for 16.6 days, with typically 3.82" (97mm) of accumulated precipitation.

What is the last month it snows in Williamstown?

April is the last month it regularly snows in Williamstown, Kentucky. During 0.9 snowfall days, in April, Williamstown aggregates 0.31" (8mm) of snow.

How many hours of daylight does Williamstown have in April?

In April, the average day length in Williamstown is 13h and 14min.

When are sunrise and sunset in April in Williamstown?

On the first day of April, sunrise is at 7:21 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 8:29 pm EDT.

How long on average sun shines in April in Williamstown?

In April, the average sunshine duration in Williamstown is 7.6h.

How high is the UV index in April in Williamstown?

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Williamstown, KY

Average temperature in April - Williamstown, KY
  • Average high temperature in April: 64.8°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in April: 45.5°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

[Resources]

Average pressure in April
Williamstown, KY

Average pressure in April - Williamstown, KY
  • Average pressure in April: 29.97"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

[Resources]

Average wind speed in April
Williamstown, KY

Average wind speed in April - Williamstown, KY
  • Average wind speed in April: 8.1mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

[Resources]

Average humidity in April
Williamstown, KY

Average humidity in April - Williamstown, KY
  • Average humidity in April: 76%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).

[Resources]

Average rainfall in April
Williamstown, KY

Average rainfall in April - Williamstown, KY
  • Average rainfall in April: 3.82"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (2.13").

[Resources]

Average rainfall days in April
Williamstown, KY

Average rainfall days in April - Williamstown, KY
  • Average rainfall days in April: 16.6 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.6 days).

[Resources]

Average snowfall in April
Williamstown, KY

Average snowfall in April - Williamstown, KY
  • Average snowfall in April: 0.31"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in April
Williamstown, KY

Average snowfall days in April - Williamstown, KY
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in April /
Average sunshine in April
Williamstown, KY

Average daylight in April / Average sunshine in April - Williamstown, KY
  • Average daylight in April: 13h and 1min

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 April: 7h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

[Resources]

Average sunshine days in April
Williamstown, KY

Average sunshine days in April - Williamstown, KY
  • Average sunshine days in April: 11.5 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is February (10.5 days).

[Resources]

Average UV index in April
Williamstown, KY

Average UV index in April - Williamstown, KY
  • Average UV index in April: 4

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

[Resources]

Average cloud cover in April
Williamstown, KY

Average cloud cover in April - Williamstown, KY
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in April
Williamstown, KY

Average visibility in April - Williamstown, KY
  • Average visibility in April: 6mi

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

[Resources]

Williamstown, Kentucky, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location