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 onset of April marks an increase in the average high-temperature, moving from a frosty 48.2°F (9°C) in March to a mild 60.4°F (15.8°C). Dallastown's temperature drops to an average low of 42.8°F (6°C) during the nights of April.Humidity
The months with the lowest humidity are March, April and November, with an average relative humidity of 76%.Rainfall
In Dallastown, during April, the rain falls for 14.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Dallastown, during the entire year, the rain falls for 139.8 days and collects up to 22.95" (583mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 0.6 days. Throughout April, 0.2" (5mm) of snow is accumulated. In Dallastown, during the entire year, snow falls for 18.4 days and aggregates up to 9.13" (232mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.On the first day of April in Dallastown, sunrise is at 6:49 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:00 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during April leads to these advisories:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Dallastown have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Dallastown have in April?
How high is the UV index in April?
Average temperature in April
Dallastown, PA
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in April: 42.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Dallastown, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Dallastown, PA
- Average wind speed in April: 8.7mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Dallastown, PA
- Average humidity in April: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March, April and November (76%).
Average rainfall in April
Dallastown, PA
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in April
Dallastown, PA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in April
Dallastown, PA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Dallastown, PA
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Dallastown, 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 24min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Dallastown, PA
- Average sunshine days in April: 14 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in April
Dallastown, PA
- Average UV index in April: 4
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, November and December (UV index 2).
Average cloud cover in April
Dallastown, PA
- Average cloud cover in April: 44
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Dallastown, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Dallastown, Pennsylvania, USA
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