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
Kirkwall's entry into April measures an average high-temperature of a still frosty 8.3°C (46.9°F), closely parallel to the preceding month. April nights in Kirkwall document an average temperature reading of 6.6°C (43.9°F).Humidity
In Kirkwall, the average relative humidity in April is 79%.Rainfall
April is the month with the least rainfall. Rain falls for 17.2 days and accumulates 30mm (1.18") of precipitation.Snowfall
January through April, November and December are months with snowfall in Kirkwall, United Kingdom. April is the last month it regularly snows. During 0.5 snowfall days, in April, Kirkwall aggregates 3mm (0.12") of snow. In Kirkwall, during the entire year, snow falls for 4.8 days and aggregates up to 23mm (0.91") of snow.Sea temperature
In April, the average sea temperature in Kirkwall is 7.8°C (46°F).Note: Diving into 7.8°C (46°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The average length of the day in April is 14h and 31min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:54 pm. On the last day of April, sunrise is at 5:15 am and sunset at 9:02 pm BST.
Sunshine
In April, the average sunshine in Kirkwall is 6.8h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 in April translates into these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the average April temperature in Kirkwall?
What is the average humidity in April in Kirkwall?
What is the driest month in Kirkwall?
How many days does it rain in April in Kirkwall?
What is the last month it snows in Kirkwall?
How cold is the water in April in Kirkwall?
How many hours of daylight does Kirkwall have in April?
When are sunrise and sunset in April in Kirkwall?
How long on average sun shines in April in Kirkwall?
What is the UV index intensity in April in Kirkwall?
Average temperature in April
Kirkwall, United Kingdom
- Average high temperature in April: 8.3°C
The warmest month (with the highest average high temperature) is August (14.2°C).
The month with the lowest average high temperature is February (7°C).
- Average low temperature in April: 6.6°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (5.5°C).
Average pressure in April
Kirkwall, United Kingdom
- Average pressure in April: 1013.5mbar
The months with the highest atmospheric pressure are May and June (1014.4mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed in April
Kirkwall, United Kingdom
- Average wind speed in April: 27.9km/h
The windiest month (with the highest average wind speed) is January (38.7km/h).
The calmest months (with the lowest average wind speed) are June and July (22.5km/h).
Average humidity in April
Kirkwall, United Kingdom
- Average humidity in April: 79%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and December (75%).
Average rainfall in April
Kirkwall, United Kingdom
- Average rainfall in April: 30mm
The wettest months (with the highest rainfall) are January and December (60mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in April
Kirkwall, United Kingdom
- Average rainfall days in April: 17.2 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (15.5 days).
Average snowfall in April
Kirkwall, United Kingdom
- Average snowfall in April: 3mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Kirkwall, United Kingdom
- Average snowfall days in April: 0.5 days
The months with the highest number of snowfall days are February and March (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Kirkwall, United Kingdom
- Average sea temperature in April: 7.8°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 (7.1°C).
Average daylight in April /
Average sunshine in April
Kirkwall, United Kingdom
- Average daylight in April: 14h and 3min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in April: 6h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in April
Kirkwall, United Kingdom
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in April
Kirkwall, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in April
Kirkwall, United Kingdom
- Average cloud cover in April: 56
The months with the most cloud cover are January and March (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility in April
Kirkwall, United Kingdom
- Average visibility in April: 10km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).
Kirkwall, United Kingdom
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