April weather forecastWesterville, OH
April
Weather in April
April witnesses a pronounced shift in Westerville's weather. This month is marked by a surge in precipitation, reflecting an increasing average rainfall of 1.85" (47mm) as spring takes hold. As snowfall becomes virtually non-existent, the focus shifts to rainfall providing nourishment for the blossoming greenery. Hours of daylight extend, and the sun shines for longer hours in contrast to the earlier months. Evolving weather patterns provide fresh, crisp mornings and generally warmer days.Temperature
A rise in the average high-temperature is observed during April, moving from a frosty 48.6°F (9.2°C) in March to a refreshing 60.4°F (15.8°C). During the April nights, an average temperature of 43.2°F (6.2°C) is observed.Humidity
In Westerville, Ohio, the average relative humidity in April is 75%.Rainfall
In Westerville, Ohio, in April, during 15.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Westerville, there are 149 rainfall days, and 18.5" (470mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Westerville. April is the last month it regularly snows in Westerville. During 1.1 snowfall days, in April, Westerville aggregates 0.16" (4mm) of snow. Throughout the year, there are 39.6 snowfall days, and 6.22" (158mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 18min.On the first day of April, sunrise is at 7:14 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:26 pm EDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
In Westerville, Ohio, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in April translates into these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Westerville, OH
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 43.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in April
Westerville, 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
Westerville, OH
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in April
Westerville, OH
- Average humidity in April: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Westerville, OH
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in April
Westerville, OH
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in April
Westerville, OH
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Westerville, OH
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Westerville, OH
- Average daylight in April: 13h and 18min
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 24min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Westerville, OH
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in April
Westerville, 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
Westerville, OH
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Westerville, OH
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
