April weather forecast
Altarnun, United Kingdom

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Weather in April

April is a cool spring month in Altarnun, United Kingdom, with an average temperature fluctuating between 5.6°C (42.1°F) and 12.3°C (54.1°F).

Temperature

As Altarnun steps into April, the average high-temperature holds at a fresh 12.3°C (54.1°F), hinting at a minor fluctuation from the prior month. Altarnun experiences an average temperature drop to a wintry 5.6°C (42.1°F) during April nights.

Humidity

April is the least humid month in Altarnun, with an average relative humidity of 83%.

Rainfall

In April, in Altarnun, the rain falls for 15.8 days. Throughout April, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 209.7 rainfall days, and 686mm (27.01") of precipitation is accumulated.

Snowfall

January through April and December are months with snowfall in Altarnun. April is the last month it regularly snows. During 0.2 snowfall days, in April, Altarnun aggregates 3mm (0.12") of snow. Throughout the year, there are 4.3 snowfall days, and 45mm (1.77") of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 50min.
On the first day of April, sunrise is at 6:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:37 pm BST.

Sunshine

The month with the most sunshine is April, with an average of 7.5h of sunshine.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 3 in April leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in April in Altarnun?

In Altarnun, in April, the average high-temperature is 12.3°C (54.1°F), and the average low-temperature is 5.6°C (42.1°F).

What is the least humid month in Altarnun?

The least humid month in Altarnun, United Kingdom, is April, with an average relative humidity of 83%.

What is the average humidity in April in Altarnun?

In Altarnun, the average relative humidity in April is 83%.

How many days does it rain in April in Altarnun?

In Altarnun, during April, the rain falls for 15.8 days and regularly aggregates up to 38mm (1.5") of precipitation.

What is the last month it snows in Altarnun?

April is the last month it regularly snows. During 0.2 snowfall days, in April, Altarnun aggregates 3mm (0.12") of snow.

What is the average length of the day in April in Altarnun?

In April, the average day length is 13h and 50min.

When is the sunrise / sunset in April in Altarnun?

On the first day of April in Altarnun, sunrise is at 6:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:37 pm BST.

What month has the most sunshine in Altarnun?

With an average of 7.5h of sunshine, April has the most sunshine of the year.

How long on average sun shines in April in Altarnun?

The average sunshine duration in April in Altarnun is 7.5h.

What is the UV index intensity in April in Altarnun?

In Altarnun, United Kingdom, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Altarnun, United Kingdom

Average temperature in April - Altarnun, United Kingdom
  • Average high temperature in April: 12.3°C

The warmest month (with the highest average high temperature) is July (18.7°C).
The months with the lowest average high temperature are January and February (8.1°C).

  • Average low temperature in April: 5.6°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).

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Average pressure in April
Altarnun, United Kingdom

Average pressure in April - Altarnun, United Kingdom
  • Average pressure in April: 1015.4mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).

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Average wind speed in April
Altarnun, United Kingdom

Average wind speed in April - Altarnun, United Kingdom
  • Average wind speed in April: 16.6km/h

The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).

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Average humidity in April
Altarnun, United Kingdom

Average humidity in April - Altarnun, United Kingdom
  • Average humidity in April: 83%

The months with the highest relative humidity are January, June, July, August, September, October, November and December (86%).
The month with the lowest relative humidity is April (83%).

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Average rainfall in April
Altarnun, United Kingdom

Average rainfall in April - Altarnun, United Kingdom
  • Average rainfall in April: 38mm

The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is May (32mm).

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Average rainfall days in April
Altarnun, United Kingdom

Average rainfall days in April - Altarnun, United Kingdom
  • Average rainfall days in April: 15.8 days

The month with the highest number of rainy days is December (20.2 days).
The month with the least rainy days is September (15.1 days).

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Average snowfall in April
Altarnun, United Kingdom

Average snowfall in April - Altarnun, United Kingdom
  • Average snowfall in April: 3mm

The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

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Average snowfall days in April
Altarnun, United Kingdom

Average snowfall days in April - Altarnun, United Kingdom
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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Average daylight in April /
Average sunshine in April
Altarnun, United Kingdom

Average daylight in April / Average sunshine in April - Altarnun, United Kingdom
  • Average daylight in April: 13h and 5min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in April: 7h and 3min

The month with the most sunshine is April (Average sunshine: 7h and 30min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 36min).

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Average sunshine days in April
Altarnun, United Kingdom

Average sunshine days in April - Altarnun, United Kingdom
  • Average sunshine days in April: 11.3 days

The month with the most sunshine days is May (11.8 days).
The month with the least sunshine days is November (7.6 days).

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Average UV index in April
Altarnun, United Kingdom

Average UV index in April - Altarnun, United Kingdom
  • Average UV index in April: 3

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Altarnun, United Kingdom

Average cloud cover in April - Altarnun, United Kingdom
  • Average cloud cover in April: 50

The months with the most cloud cover are November and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 50).

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Average visibility in April
Altarnun, United Kingdom

Average visibility in April - Altarnun, 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).

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Altarnun, United Kingdom

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