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 sea temperature 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
April
Weather in April
Temperature
The initiation of April sees an average high-temperature of a fresh 11.7°C (53.1°F), showing minor variations from the previous month. Recording a slight decline in temperature during the nights, Llansteffan's April temperatures average at a frosty 6.8°C (44.2°F).Humidity
With an average relative humidity of 81%, April is the least humid month in Llansteffan.Rainfall
The months with the least rainfall in Llansteffan are April and May Rain falls for 11.5 days and accumulates 15mm (0.59") of rain.Snowfall
In Llansteffan, snow does not fall in March through November.Sea temperature
In Llansteffan, the average seawater temperature in April is 9.7°C (49.5°F).Note: To swim in 9.7°C (49.5°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
In Llansteffan, United Kingdom, the average length of the day in April is 13h and 55min.On the first day of April in Llansteffan, sunrise is at 6:50 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:40 pm BST.
Sunshine
The months with the most sunshine are April and May, with an average of 8.3h of sunshine.UV index
In Llansteffan, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Llansteffan in April?
What is the least humid month in Llansteffan?
What is the average humidity in April in Llansteffan?
What is the driest month in Llansteffan?
How many days does it rain in April in Llansteffan?
When it does not snow in Llansteffan?
What is the sea water temperature in April in Llansteffan?
What is the average length of the day in April in Llansteffan?
When are sunrise and sunset in April in Llansteffan?
What is the month with the most sunshine in Llansteffan?
How long on average sun shines in April in Llansteffan?
How high is the UV index in April in Llansteffan?
Average temperature in April
Llansteffan, United Kingdom
- Average high temperature in April: 11.7°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The months with the lowest average high temperature are January and February (7.9°C).
- Average low temperature in April: 6.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in April
Llansteffan, United Kingdom
- Average pressure in April: 1015.2mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in April
Llansteffan, United Kingdom
- Average wind speed in April: 17.1km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in April
Llansteffan, United Kingdom
- Average humidity in April: 81%
The months with the highest relative humidity are January, July, August, September, October and December (84%).
The month with the lowest relative humidity is April (81%).
Average rainfall in April
Llansteffan, United Kingdom
- Average rainfall in April: 15mm
The wettest month (with the highest rainfall) is December (35mm).
The driest months (with the least rainfall) are April and May (15mm).
Average rainfall days in April
Llansteffan, United Kingdom
- Average rainfall days in April: 11.5 days
The month with the highest number of rainy days is December (17.1 days).
The month with the least rainy days is April (11.5 days).
Average snowfall in April
Llansteffan, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Llansteffan, United Kingdom
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Llansteffan, United Kingdom
- Average sea temperature in April: 9.7°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in April /
Average sunshine in April
Llansteffan, United Kingdom
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 2min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Llansteffan, United Kingdom
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is March (15.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in April
Llansteffan, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Llansteffan, United Kingdom
- Average cloud cover in April: 46
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in April
Llansteffan, United Kingdom
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
