April weather forecastUllapool, United Kingdom
April
Weather in April
April, like March, is a frosty spring month in Ullapool, United Kingdom, with an average temperature varying between 4.1°C (39.4°F) and 9.2°C (48.6°F).Temperature
With the start of April, Ullapool measures an average high-temperature of a still frosty 9.2°C (48.6°F), not significantly differing from March's 6.3°C (43.3°F). Ullapool records an average nighttime low-temperature of 4.1°C (39.4°F) throughout April.Humidity
April and May, with an average relative humidity of 81%, are the least humid months.Rainfall
April is the month with the least rainfall. Rain falls for 19.4 days and accumulates 43mm (1.69") of precipitation.Snowfall
January through May, October through December are months with snowfall in Ullapool, United Kingdom. In Ullapool, in April, snow falls for 2 days, with typically accumulated 24mm (0.94") of snow. In Ullapool, United Kingdom, during the entire year, snow falls for 24.8 days and aggregates up to 298mm (11.73") of snow.Sea temperature
In April, the average sea temperature is 7.9°C (46.2°F).Note: Dipping into 7.9°C (46.2°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
In Ullapool, the average length of the day in April is 14h and 25min.On the first day of April in Ullapool, United Kingdom, sunrise is at 6:46 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 9:06 pm BST.
Sunshine
The average sunshine in April in Ullapool is 5.9h.UV index
The average daily maximum UV index in April in Ullapool is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In April, the UV index of 3 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ullapool, United Kingdom
- Average high temperature in April: 9.2°C
The warmest month (with the highest average high temperature) is July (15°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in April: 4.1°C
The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in April
Ullapool, United Kingdom
- Average pressure in April: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in April
Ullapool, United Kingdom
- Average wind speed in April: 17.3km/h
The windiest month (with the highest average wind speed) is January (22.7km/h).
The calmest month (with the lowest average wind speed) is June (13.1km/h).
Average humidity in April
Ullapool, United Kingdom
- Average humidity in April: 81%
The months with the highest relative humidity are July, August and September (87%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in April
Ullapool, United Kingdom
- Average rainfall in April: 43mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in April
Ullapool, United Kingdom
- Average rainfall days in April: 19.4 days
The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is February (18 days).
Average snowfall in April
Ullapool, United Kingdom
- Average snowfall in April: 24mm
The month with the highest snowfall is February (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Ullapool, United Kingdom
- Average snowfall days in April: 2 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Ullapool, United Kingdom
- Average sea temperature in April: 7.9°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.3°C).
Average daylight in April /
Average sunshine in April
Ullapool, United Kingdom
- Average daylight in April: 14h and 24min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in April: 5h and 54min
The month with the most sunshine is June (Average sunshine: 6h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in April
Ullapool, United Kingdom
- Average sunshine days in April: 7.3 days
The month with the most sunshine days is May (7.6 days).
The month with the least sunshine days is August (3.6 days).
Average UV index in April
Ullapool, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Ullapool, United Kingdom
- Average cloud cover in April: 62
The months with the most cloud cover are March, June and July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in April
Ullapool, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





