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°F (8.9°C) in March to a mild 60.1°F (15.6°C). In the month of April, Johnstown's average low-temperature falls to a wintry 42.4°F (5.8°C).Humidity
The average relative humidity in April is 77%.Rainfall
In Johnstown, Ohio, during April, the rain falls for 16.9 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Johnstown, during the entire year, the rain falls for 176.7 days and collects up to 33.7" (856mm) of precipitation.Snowfall
Months with snowfall in Johnstown are January through May, October through December. In Johnstown, in April, snow falls for 1.5 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, in Johnstown, there are 47.1 snowfall days, and 15.43" (392mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 18min.On the first day of April in Johnstown, Ohio, sunrise is at 7:13 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:25 pm EDT.
Sunshine
In Johnstown, the average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 4 in April suggests the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Johnstown in April?
What is the average humidity in April in Johnstown?
How much does it rain in Johnstown in April?
How many days does it snow in April in Johnstown?
What is the average length of the day in April in Johnstown?
What time are sunrise and sunset in April in Johnstown?
How long on average sun shines in April in Johnstown?
What is the UV index intensity in April in Johnstown?
Average temperature in April
Johnstown, OH
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
Johnstown, OH
- 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 (29.94"Hg).
Average wind speed in April
Johnstown, OH
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in April
Johnstown, OH
- Average humidity in April: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Johnstown, OH
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in April
Johnstown, OH
- Average rainfall days in April: 16.9 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in April
Johnstown, OH
- Average snowfall in April: 0.31"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Johnstown, OH
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Johnstown, OH
- 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 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Johnstown, OH
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (8.2 days).
Average UV index in April
Johnstown, OH
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Johnstown, OH
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Johnstown, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Johnstown, Ohio, USA
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