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 in Irmo, South Carolina, brings an increase in high-temperatures, moving from a refreshing 63.9°F (17.7°C) in March to a warm 73.4°F (23°C). Throughout April, an average low-temperature of 54.9°F (12.7°C) is expected.Humidity
In Irmo, South Carolina, the average relative humidity in April is 72%.Rainfall
In Irmo, during April, the rain falls for 13.1 days and regularly aggregates up to 2.64" (67mm) of 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, South Carolina, the average length of the day in April is 13h and 4min.On the first day of April, sunrise is at 7:10 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:08 pm EDT.
Sunshine
The average sunshine in April is 9.2h.UV index
In Irmo, South Carolina, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in April suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are April temperatures in Irmo?
What is the average humidity in April in Irmo?
How much does it rain in Irmo in April?
When it does not snow in Irmo?
Does it snow in Irmo in April?
What is the average length of the day in April in Irmo?
When is the sunrise / sunset in April in Irmo?
How long on average sun shines in April in Irmo?
What is the UV index reading in April in Irmo?
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 1min
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 1min
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).
Irmo, South Carolina, USA
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