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 commencement of April brings an average high-temperature of a cool 10.3°C (50.5°F), marking an inconsequential divergence from March. Portrush registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 5.7°C (42.3°F) during April.Humidity
With an average relative humidity of 81%, April is the least humid month in Portrush.Rainfall
April is the month with the least rainfall in Portrush, United Kingdom. Rain falls for 16.8 days and accumulates 35mm (1.38") of precipitation.Snowfall
Months with snowfall in Portrush are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Portrush aggregates 1mm (0.04") of snow. In Portrush, during the entire year, snow falls for 8 days and aggregates up to 47mm (1.85") of snow.Sea temperature
In Portrush, the average seawater temperature in April is 8.9°C (48°F).Note: Swimming in 8.9°C (48°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In Portrush, the average length of the day in April is 14h and 10min.On the first day of April, sunrise is at 6:56 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 9:01 pm BST.
Sunshine
In April, the average sunshine in Portrush is 7.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Portrush in April?
What is the least humid month in Portrush?
What is the average humidity in April in Portrush?
What is the driest month in Portrush?
How many days does it rain in April in Portrush?
What is the last month it snows in Portrush?
What is the water temperature in April in Portrush?
What is the average length of the day in April in Portrush?
What time are sunrise and sunset in April in Portrush?
How long on average sun shines in April in Portrush?
What is the UV index intensity in April in Portrush?
Average temperature in April
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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
Portrush, 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).
