April weather forecastIrmo, SC
April
Weather in April
In April, the true essence of spring is reflected in the weather with temperatures rising on a consistent basis. This time of the year is characterized by abundant sunshine and clear skies, making it perfect for outdoor adventures. The rainfall for April stands at 2.64" (67mm), slightly more compared to March, hinting at a moister environment. Nonetheless, even with the rain, April is a lovely time to experience Irmo’s weather with ample sunlit days. Heading towards May, expect further rise in temperature, pointing towards the onset of summer.Temperature
April marks a rise in the average high-temperature, moving from March's enjoyable 63.9°F (17.7°C) to a moderately hot 73.4°F (23°C). April brings an average low-temperature of 54.9°F (12.7°C) to Irmo.Humidity
In Irmo, the average relative humidity in April is 72%.Rainfall
In Irmo, in April, it is raining for 13.1 days, with typically 2.64" (67mm) of accumulated precipitation. In Irmo, during the entire year, the rain falls for 147.8 days and collects up to 28.23" (717mm) of precipitation.Snowfall
In Irmo, South Carolina, snow does not fall in April through November.Daylight
In Irmo, the average length of the day in April is 13h and 4min.On the first day of the month, sunrise is at 7:10 am and sunset at 7:45 pm. On the last day of April, sunrise is at 6:35 am and sunset at 8:08 pm EDT.
Sunshine
In April, the average sunshine is 9.2h.UV index
In Irmo, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in April converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Irmo, SC
- Average high temperature in April: 73.4°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in April: 54.9°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in April
Irmo, SC
- Average pressure in April: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Irmo, SC
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Irmo, SC
- Average humidity in April: 72%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Irmo, SC
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in April
Irmo, SC
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (7.8 days).
Average snowfall in April
Irmo, SC
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Irmo, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Irmo, SC
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Irmo, SC
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Irmo, SC
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in April
Irmo, SC
- Average cloud cover in April: 33
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in April
Irmo, SC
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
