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 arrival of April brings an increase in high-temperatures, moving from a frosty 43°F (6.1°C) in March to a fresh 55°F (12.8°C). Throughout the nights in April, an average low-temperature of 37.9°F (3.3°C) is noted.Humidity
With an average relative humidity of 78%, April is the least humid month.Rainfall
In Upper Lehigh, in April, during 16.4 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, in Upper Lehigh, there are 163.6 rainfall days, and 35" (889mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Upper Lehigh, in April, during 3.6 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Upper Lehigh, during the entire year, snow falls for 60.9 days and aggregates up to 38.9" (988mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:59 pm EDT.
Sunshine
In April, the average sunshine in Upper Lehigh is 7.1h.UV index
In Upper Lehigh, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during April leads to these advisories:
Ensure safety - Imperative it is to shield skin and eyes from damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Upper Lehigh in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April in Upper Lehigh?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Upper Lehigh, PA
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 37.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Upper Lehigh, PA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Upper Lehigh, PA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Upper Lehigh, PA
- Average humidity in April: 78%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in April
Upper Lehigh, PA
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in April
Upper Lehigh, PA
- Average rainfall days in April: 16.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7 days).
Average snowfall in April
Upper Lehigh, PA
- Average snowfall in April: 1.34"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Upper Lehigh, PA
- Average snowfall days in April: 3.6 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Upper Lehigh, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in April
Upper Lehigh, PA
- Average sunshine days in April: 10.4 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in April
Upper Lehigh, PA
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Upper Lehigh, PA
- Average cloud cover in April: 53
The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in April
Upper Lehigh, PA
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Upper Lehigh, Pennsylvania, USA
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