April weather forecastSaint Louisville, OH
April
Weather in April
April is a mild spring month in Saint Louisville, Ohio, with an average temperature varying between 41.5°F (5.3°C) and 59.7°F (15.4°C).Temperature
April's arrival is marked by an increase in the average high-temperature, moving from a frosty 47.7°F (8.7°C) in March to a mild 59.7°F (15.4°C). April brings with it a nighttime average temperature of 41.5°F (5.3°C).Humidity
In Saint Louisville, the average relative humidity in April is 78%.Rainfall
In Saint Louisville, in April, during 14.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 149.2 rainfall days, and 18.86" (479mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Saint Louisville. April is the last month it regularly snows. During 1.7 snowfall days, in April, Saint Louisville aggregates 0.2" (5mm) of snow. Throughout the year, there are 43.5 snowfall days, and 7.4" (188mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 18min.On the first day of the month, sunrise is at 7:12 am and sunset at 7:54 pm. On the last day of April, sunrise is at 6:29 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in April is 7.2h.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 the average person.Note: The UV index of 4 during April translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Saint Louisville, OH
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in April
Saint Louisville, 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
Saint Louisville, OH
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Saint Louisville, OH
- Average humidity in April: 78%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is November (77%).
Average rainfall in April
Saint Louisville, OH
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in April
Saint Louisville, OH
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in April
Saint Louisville, OH
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Saint Louisville, OH
- Average snowfall days in April: 1.7 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Louisville, 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 12min
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 18min).
Average sunshine days in April
Saint Louisville, OH
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Saint Louisville, OH
- Average UV index in April: 4
The months with the highest UV index are 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
Saint Louisville, OH
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Saint Louisville, OH
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
