Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift into April brings an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in March to an enjoyable 66.6°F (19.2°C). Saint Helens observes an average nighttime temperature of 46.9°F (8.3°C) during April.Humidity
In Saint Helens, the average relative humidity in April is 76%.Rainfall
In April, the rain falls for 16.6 days. Throughout April, 3.03" (77mm) of precipitation is accumulated. In Saint Helens, during the entire year, the rain falls for 167.6 days and collects up to 33.11" (841mm) of precipitation.Snowfall
Months with snowfall in Saint Helens are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Saint Helens aggregates 0.31" (8mm) of snow. Throughout the year, in Saint Helens, there are 32.6 snowfall days, and 12.17" (309mm) of snow is accumulated.Daylight
In Saint Helens, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 7:18 am and sunset at 7:57 pm. On the last day of April, sunrise is at 6:39 am and sunset at 8:24 pm EDT.
Sunshine
In Saint Helens, the average sunshine in April is 8h.UV index
In April, the average daily maximum UV index in Saint Helens, Kentucky, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 5 during April, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the average April temperature in Saint Helens?
What is the average humidity in April in Saint Helens?
How much does it rain in Saint Helens in April?
What is the last month it snows in Saint Helens?
What is the average length of the day in April in Saint Helens?
When are sunrise and sunset in April in Saint Helens?
How many hours of sunshine does Saint Helens have in April?
What is the UV index reading in April in Saint Helens?
Average temperature in April
Saint Helens, KY
- Average high temperature in April: 66.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in April
Saint Helens, KY
- Average pressure in April: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Saint Helens, KY
- Average wind speed in April: 7mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Saint Helens, KY
- Average humidity in April: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).
Average rainfall in April
Saint Helens, KY
- Average rainfall in April: 3.03"
The wettest months (with the highest rainfall) are February and May (3.46").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in April
Saint Helens, KY
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in April
Saint Helens, KY
- Average snowfall in April: 0.31"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Saint Helens, KY
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Helens, KY
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Saint Helens, KY
- Average sunshine days in April: 12 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in April
Saint Helens, KY
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Saint Helens, KY
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Saint Helens, KY
- Average visibility in April: 6mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Saint Helens, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location
