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 shift into April is characterized by a rise in the average high-temperature, transitioning from March's refreshing 64.4°F (18°C) to a warm 73.8°F (23.2°C). Nighttime temperature experiences an average drop to a moderate 55.4°F (13°C) in April.Humidity
In April, the average relative humidity in Swansea is 73%.Rainfall
In Swansea, South Carolina, in April, during 14.1 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Swansea, during the entire year, the rain falls for 166.8 days and collects up to 32.56" (827mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Swansea, the average length of the day in April is 13h and 3min.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 8:07 pm EDT.
Sunshine
In April, the average sunshine is 9.3h.UV index
In Swansea, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 5 in April leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Swansea in April?
What is the average humidity in April in Swansea?
How many days does it rain in April in Swansea?
When it does not snow in Swansea?
Does it snow in Swansea in April?
How many hours of daylight does Swansea have in April?
What time are sunrise and sunset in April in Swansea?
How long on average sun shines in April in Swansea?
What is the UV index reading in April in Swansea?
Average temperature in April
Swansea, SC
- Average high temperature in April: 73.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in April: 55.4°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in April
Swansea, 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
Swansea, SC
- Average wind speed in April: 8.5mph
The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Swansea, SC
- Average humidity in April: 73%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in April
Swansea, SC
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is December (3.86").
The driest months (with the least rainfall) are September and November (2.01").
Average rainfall days in April
Swansea, SC
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are October and November (9 days).
Average snowfall in April
Swansea, SC
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Swansea, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.7 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
Swansea, SC
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 9h and 2min
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
Swansea, SC
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in April
Swansea, SC
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in April
Swansea, 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
Swansea, 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).
Swansea, South Carolina, USA
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