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
With the beginning of April, Horsham's average high-temperature sees an increase, transitioning from a chilly 48.4°F (9.1°C) in March to a moderate 60.6°F (15.9°C). Nighttime temperature lowers to an average of 43.9°F (6.6°C) in April.Humidity
April, July and August, with an average relative humidity of 72%, are the least humid months in Horsham.Rainfall
In April, the rain falls for 7.9 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. In Horsham, during the entire year, the rain falls for 83.7 days and collects up to 6.22" (158mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Horsham, Pennsylvania, in April, snow falls for 0.3 days, with typically accumulated 0.04" (1mm) of snow. In Horsham, during the entire year, snow falls for 12.6 days and aggregates up to 1.73" (44mm) of snow.Daylight
In Horsham, the average length of the day in April is 13h and 18min.On the first day of April, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:54 pm EDT.
Sunshine
The average sunshine in April in Horsham is 8.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 4 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the average April temperature in Horsham?
What are the least humid months in Horsham?
What is the average humidity in April in Horsham?
How much does it rain in Horsham in April?
How many days does it snow in April in Horsham?
How many hours of daylight does Horsham have in April?
What time are sunrise and sunset in April in Horsham?
How many hours of sunshine does Horsham have in April?
How high is the UV index in April in Horsham?
Average temperature in April
Horsham, PA
- Average high temperature in April: 60.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Horsham, 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
Horsham, PA
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Horsham, PA
- Average humidity in April: 72%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in April
Horsham, PA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in April
Horsham, PA
- Average rainfall days in April: 7.9 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Horsham, PA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Horsham, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Horsham, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Horsham, PA
- Average sunshine days in April: 21.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in April
Horsham, 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
Horsham, PA
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Horsham, 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).
Horsham, Pennsylvania, USA
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