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 start of April brings a shift in the average high-temperature, increasing from March's fresh 51.4°F (10.8°C) to a refreshing 64°F (17.8°C). Altoona's April nights cool down to an average low-temperature of 44.2°F (6.8°C).Humidity
The average relative humidity in April is 76%.Rainfall
In Altoona, Ohio, in April, during 16 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Altoona, during the entire year, the rain falls for 161.8 days and collects up to 30.83" (783mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Altoona. During 0.8 snowfall days, in April, Altoona aggregates 0.35" (9mm) of snow. In Altoona, during the entire year, snow falls for 35.8 days and aggregates up to 12.28" (312mm) of snow.Daylight
In Altoona, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 7:13 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:22 pm EDT.
Sunshine
In Altoona, the average sunshine in April is 7.9h.UV index
The average daily maximum UV index in April in Altoona is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Altoona in April?
What is the average humidity in April in Altoona?
How many days does it rain in April in Altoona?
What is the last month it snows in Altoona?
What is the average length of the day in April in Altoona?
When are sunrise and sunset in April in Altoona?
How long on average sun shines in April in Altoona?
How high is the UV index in April in Altoona?
Average temperature in April
Altoona, OH
- Average high temperature in April: 64°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Altoona, OH
- Average pressure in April: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in April
Altoona, OH
- Average wind speed in April: 7.4mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in April
Altoona, OH
- Average humidity in April: 76%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in April
Altoona, OH
- Average rainfall in April: 3.11"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in April
Altoona, OH
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in April
Altoona, OH
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Altoona, OH
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Altoona, OH
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Altoona, OH
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in April
Altoona, OH
- 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
Altoona, OH
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Altoona, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Altoona, Ohio, USA
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