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
April indicates a change in the average high-temperature, moving up from a frosty 47.5°F (8.6°C) in March to a mild 59.7°F (15.4°C). Throughout the nights in April, an average low-temperature of 41.2°F (5.1°C) is noted.Humidity
March and April, with an average relative humidity of 75%, are the least humid months.Rainfall
In Duncannon, during April, the rain falls for 17.1 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 161.8 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Duncannon, in April, during 0.6 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Duncannon, during the entire year, snow falls for 28.8 days and aggregates up to 15.67" (398mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:33 pm. On the last day of April, sunrise is at 6:07 am and sunset at 8:02 pm EDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Duncannon have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Duncannon have in April?
What is the UV index reading in April?
Average temperature in April
Duncannon, PA
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Duncannon, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Duncannon, PA
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Duncannon, PA
- Average humidity in April: 75%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in April
Duncannon, PA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in April
Duncannon, PA
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall in April
Duncannon, PA
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Duncannon, PA
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Duncannon, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in April
Duncannon, PA
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in April
Duncannon, PA
- Average UV index in April: 3
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Duncannon, PA
- Average cloud cover in April: 46
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Duncannon, PA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May and September (5mi).
Duncannon, Pennsylvania, USA
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