April weather forecastPortland, KY
April
Weather in April
April is an enjoyable spring month in Portland, Kentucky, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 64.6°F (18.1°C).Temperature
April brings a rise in the average high-temperature, transitioning from March's fresh 52.3°F (11.3°C) to a refreshing 64.6°F (18.1°C). During the month of April, Portland's nighttime temperature lowers to an average of 45.5°F (7.5°C).Humidity
In April, the average relative humidity in Portland is 76%.Rainfall
In Portland, during April, the rain falls for 14.7 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 156.2 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.7 snowfall days, in April, Portland aggregates 0.24" (6mm) of snow. In Portland, during the entire year, snow falls for 32.5 days and aggregates up to 7.4" (188mm) of snow.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 7:21 am and sunset at 8:01 pm. On the last day of April, sunrise is at 6:40 am and sunset at 8:29 pm EDT.
Sunshine
In April, the average sunshine is 7.7h.UV index
In Portland, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, the average maximum UV index of 4 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Portland, KY
- Average high temperature in April: 64.6°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 (37.4°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in April
Portland, 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).
Average wind speed in April
Portland, 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).
Average humidity in April
Portland, 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%).
Average rainfall in April
Portland, KY
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in April
Portland, KY
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in April
Portland, KY
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Portland, KY
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (8.4 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
Portland, KY
- Average daylight in April: 13h and 12min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Portland, KY
- Average sunshine days in April: 13.5 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Portland, 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).
Average cloud cover in April
Portland, 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 28).
Average visibility in April
Portland, KY
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May and July (5mi).





