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 commencement of April sees a shift in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a comfortable 61.2°F (16.2°C). The temperature dips to an average of 41.4°F (5.2°C) during April nights.Humidity
In Walther, the average relative humidity in April is 76%.Rainfall
In Walther, during April, the rain falls for 17.5 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, in Walther, there are 187.9 rainfall days, and 35.59" (904mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 2.4 days. Throughout April, 0.71" (18mm) of snow is accumulated. In Walther, Pennsylvania, during the entire year, snow falls for 60 days and aggregates up to 23.31" (592mm) of snow.Daylight
In April, the average length of the day in Walther is 13h and 19min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of April, in Walther, sunrise is at 6:19 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in April in Walther is 7.8h.UV index
In Walther, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average April temperature in Walther?
What is the average humidity in April in Walther?
How many days does it rain in April in Walther?
How much does it snow in Walther in April?
How many hours of daylight does Walther have in April?
When are sunrise and sunset in April in Walther?
How many hours of sunshine does Walther have in April?
What is the UV index intensity in April in Walther?
Average temperature in April
Walther, PA
- Average high temperature in April: 61.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in April
Walther, PA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Walther, PA
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in April
Walther, PA
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in April
Walther, PA
- Average rainfall in April: 3.62"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in April
Walther, PA
- Average rainfall days in April: 17.5 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in April
Walther, PA
- Average snowfall in April: 0.71"
The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Walther, PA
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Walther, 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: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in April
Walther, PA
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in April
Walther, PA
- Average UV index in April: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Walther, PA
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Walther, PA
- Average visibility in April: 6mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Walther, Pennsylvania, USA
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