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 average high-temperature increases in April, moving from a fresh 54.3°F (12.4°C) in March to an enjoyable 66.6°F (19.2°C). In April, the average low-temperature records at a frosty 46.9°F (8.3°C) during the nights.Humidity
In April, the average relative humidity is 76%.Rainfall
In April, the rain falls for 16.6 days. Throughout April, 3.03" (77mm) of precipitation is accumulated. In Heidelberg, during the entire year, the rain falls for 167.6 days and collects up to 33.11" (841mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Heidelberg aggregates 0.31" (8mm) of snow. In Heidelberg, during the entire year, snow falls for 32.6 days and aggregates up to 12.17" (309mm) of snow.Daylight
The average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 7:19 am and sunset at 7:58 pm. On the last day of April, sunrise is at 6:39 am and sunset at 8:24 pm EDT.
Sunshine
In April, the average sunshine is 8h.UV index
In Heidelberg, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in April suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Heidelberg in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Heidelberg have in April?
What is the UV index reading in April?
Average temperature in April
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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
Heidelberg, 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).
Heidelberg, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location