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
April
Weather in April
Temperature
As April unfolds, the average high-temperature reaches a still frosty 9.5°C (49.1°F), hinting at a slight fluctuation from the previous month. April nighttime temperatures in Portnahaven hover close to the daytime peak with an average of 7.3°C (45.1°F).Humidity
The average relative humidity in April is 80%.Rainfall
April is the month with the least rainfall in Portnahaven. Rain falls for 15.4 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Portnahaven, snow does not fall in January, March through November.Daylight
The average length of the day in April is 14h and 13min.On the first day of April, sunrise is at 6:55 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 9:02 pm BST.
Sunshine
The average sunshine in April in Portnahaven is 7.6h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Portnahaven?
What is the average humidity in April in Portnahaven?
What is the driest month in Portnahaven?
How many days does it rain in April in Portnahaven?
When it does not snow in Portnahaven?
How many hours of daylight does Portnahaven have in April?
When are sunrise and sunset in April in Portnahaven?
How many hours of sunshine does Portnahaven have in April?
What is the UV index reading in April in Portnahaven?
Average temperature in April
Portnahaven, United Kingdom
- Average high temperature in April: 9.5°C
The warmest month (with the highest average high temperature) is August (15.3°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in April: 7.3°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in April
Portnahaven, United Kingdom
- Average pressure in April: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is November (1006.3mbar).
Average wind speed in April
Portnahaven, United Kingdom
- Average wind speed in April: 26.3km/h
The windiest month (with the highest average wind speed) is January (38km/h).
The calmest month (with the lowest average wind speed) is June (21.8km/h).
Average humidity in April
Portnahaven, United Kingdom
- Average humidity in April: 80%
The months with the highest relative humidity are June, July and August (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Portnahaven, United Kingdom
- Average rainfall in April: 24mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in April
Portnahaven, United Kingdom
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is December (23.8 days).
The month with the least rainy days is April (15.4 days).
Average snowfall in April
Portnahaven, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is December (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Portnahaven, United Kingdom
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Portnahaven, United Kingdom
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is June (Average sunshine: 8h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Portnahaven, United Kingdom
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is November (4.1 days).
Average UV index in April
Portnahaven, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in April
Portnahaven, United Kingdom
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in April
Portnahaven, United Kingdom
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
