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 signals an increase in the average high-temperature, moving from a frosty 48.4°F (9.1°C) in March to a comfortable 61°F (16.1°C). During the April nights, an average temperature of 43.9°F (6.6°C) is observed.Humidity
The least humid month in Altor is April, with an average relative humidity of 73%.Rainfall
In Altor, in April, during 12.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Altor, there are 128.5 rainfall days, and 14.92" (379mm) of precipitation is accumulated.Snowfall
Months with snowfall in Altor, Pennsylvania, are January through May, November and December. In April, in Altor, it is snowing for 0.3 days. Throughout April, 0.12" (3mm) of snow is accumulated. Throughout the year, in Altor, there are 18.1 snowfall days, and 5.43" (138mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 17min.On the first day of April, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:56 pm EDT.
Sunshine
In Altor, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April in Altor is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during April translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are the temperatures in Altor in April?
What is the least humid month in Altor?
What is the average humidity in April in Altor?
How much does it rain in Altor in April?
How many days does it snow in April in Altor?
What is the average length of the day in April in Altor?
When is the sunrise / sunset in April in Altor?
How many hours of sunshine does Altor have in April?
What is the UV index intensity in April in Altor?
Average temperature in April
Altor, PA
- Average high temperature in April: 61°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in April
Altor, PA
- Average pressure in April: 29.99"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
Altor, PA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Altor, PA
- Average humidity in April: 73%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Altor, PA
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in April
Altor, PA
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
Altor, PA
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Altor, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Altor, 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 1min
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 36min).
Average sunshine days in April
Altor, PA
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in April
Altor, 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, March, November and December (UV index 2).
Average cloud cover in April
Altor, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Altor, 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).
Altor, Pennsylvania, USA
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