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
Weather in April
Temperature
The arrival of April denotes a barely perceptible change in the average high-temperatures to a fresh 10.3°C (50.5°F) from March's 8.6°C (47.5°F). April nights in Portstewart register a minor temperature decline, steadying at a wintry 5.7°C (42.3°F).Humidity
April is the least humid month, with an average relative humidity of 81%.Rainfall
The month with the least rainfall is April, when the rain falls for 16.8 days and typically collects 35mm (1.38") of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Portstewart. During 0.2 snowfall days, in April, Portstewart aggregates 1mm (0.04") of snow. Throughout the year, in Portstewart, there are 8 snowfall days, and 47mm (1.85") of snow is accumulated.Sea temperature
In Portstewart, the average seawater temperature in April is 8.9°C (48°F).Note: Beware of 8.9°C (48°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Daylight
In Portstewart, the average length of the day in April is 14h and 10min.On the first day of the month, sunrise is at 6:56 am and sunset at 8:04 pm. On the last day of April, sunrise is at 5:46 am and sunset at 9:01 pm BST.
Sunshine
In April, the average sunshine is 7.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in April in Portstewart?
What is the least humid month in Portstewart?
What is the average humidity in April in Portstewart?
What is the driest month in Portstewart?
How much does it rain in Portstewart in April?
What is the last month it snows in Portstewart?
What is the sea water temperature in April in Portstewart?
How many hours of daylight does Portstewart have in April?
When are sunrise and sunset in April in Portstewart?
How long on average sun shines in April in Portstewart?
What is the UV index intensity in April in Portstewart?
Average temperature in April
Portstewart, United Kingdom
- Average high temperature in April: 10.3°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in April: 5.7°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure in April
Portstewart, United Kingdom
- Average pressure in April: 1014.3mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in April
Portstewart, United Kingdom
- Average wind speed in April: 20.2km/h
The windiest month (with the highest average wind speed) is January (27.5km/h).
The calmest month (with the lowest average wind speed) is July (16.7km/h).
Average humidity in April
Portstewart, United Kingdom
- Average humidity in April: 81%
The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in April
Portstewart, United Kingdom
- Average rainfall in April: 35mm
The wettest months (with the highest rainfall) are July and August (74mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in April
Portstewart, United Kingdom
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is April (16.8 days).
Average snowfall in April
Portstewart, United Kingdom
- Average snowfall in April: 1mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Portstewart, United Kingdom
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Portstewart, United Kingdom
- Average sea temperature in April: 8.9°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in April /
Average sunshine in April
Portstewart, United Kingdom
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Portstewart, United Kingdom
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is August (4.2 days).
Average UV index in April
Portstewart, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are May, June, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Portstewart, United Kingdom
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in April
Portstewart, United Kingdom
- Average visibility in April: 9km
The month with the highest visibility is November (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
Portstewart, United Kingdom
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