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
April's onset records a minor alteration in the average high-temperature to a fresh 12.3°C (54.1°F) from March's 9.8°C (49.6°F). In Llanishen, the expected average low-temperature for April is a cold 5.9°C (42.6°F).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 81%.Rainfall
The month with the least rainfall in Llanishen is April, when the rain falls for 9.1 days and typically collects 12mm (0.47") of precipitation.Snowfall
In Llanishen, snow does not fall in March through October.Daylight
In Llanishen, the average length of the day in April is 13h and 54min.On the first day of April, sunrise is at 6:46 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:34 pm BST.
Sunshine
In Llanishen, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Llanishen is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in April in Llanishen?
What is the least humid month in Llanishen?
What is the average humidity in April in Llanishen?
What is the driest month in Llanishen?
How many days does it rain in April in Llanishen?
When it does not snow in Llanishen?
How many hours of daylight does Llanishen have in April?
What time are sunrise and sunset in April in Llanishen?
How long on average sun shines in April in Llanishen?
How high is the UV index in April in Llanishen?
Average temperature in April
Llanishen, United Kingdom
- Average high temperature in April: 12.3°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in April: 5.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in April
Llanishen, United Kingdom
- Average pressure in April: 1015.4mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in April
Llanishen, United Kingdom
- Average wind speed in April: 16.2km/h
The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.2km/h).
Average humidity in April
Llanishen, United Kingdom
- Average humidity in April: 81%
The months with the highest relative humidity are November and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in April
Llanishen, United Kingdom
- Average rainfall in April: 12mm
The wettest months (with the highest rainfall) are August and November (31mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in April
Llanishen, United Kingdom
- Average rainfall days in April: 9.1 days
The month with the highest number of rainy days is November (13.5 days).
The months with the least rainy days are February and April (9.1 days).
Average snowfall in April
Llanishen, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Llanishen, United Kingdom
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Llanishen, 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 1min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in April
Llanishen, United Kingdom
- Average sunshine days in April: 19.2 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in April
Llanishen, 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, March, November and December (UV index 2).
Average cloud cover in April
Llanishen, United Kingdom
- Average cloud cover in April: 46
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in April
Llanishen, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).
Llanishen, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
