April weather forecast
Caernarfon, United Kingdom

April

Weather in April

April in Caernarfon, United Kingdom, is a fresh spring month, with an average temperature varying between 10.6°C (51.1°F) and 6.3°C (43.3°F).

Temperature

The transition into April is marked with an average high-temperature of a cool 10.6°C (51.1°F), showing an insignificant shift from March's 8.3°C (46.9°F). Caernarfon indicates a consistently low-temperature of 6.3°C (43.3°F) during the nights of April.

Humidity

The least humid month is April, with an average relative humidity of 81%.

Rainfall

In Caernarfon, in April, during 16.3 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Caernarfon, there are 236.8 rainfall days, and 754mm (29.69") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Caernarfon, United Kingdom. During 0.2 snowfall days, in April, Caernarfon aggregates 4mm (0.16") of snow. In Caernarfon, during the entire year, snow falls for 8.8 days and aggregates up to 58mm (2.28") of snow.

Daylight

In April, the average length of the day in Caernarfon is 14h and 1min.
On the first day of April, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:44 pm BST.

Sunshine

In Caernarfon, United Kingdom, the average sunshine in April is 7.6h.

UV index

In Caernarfon, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during April morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the temperature in April in Caernarfon?
In Caernarfon, 10.6°C (51.1°F) is the average high-temperature and 6.3°C (43.3°F) is the average low-temperature during April.
What is the least humid month in Caernarfon?
The least humid month is April, with an average relative humidity of 81%.
What is the average humidity in April in Caernarfon?
In April, the average relative humidity in Caernarfon is 81%.
How many days does it rain in April in Caernarfon?
In Caernarfon, in April, it is raining for 16.3 days, with typically 38mm (1.5") of accumulated precipitation.
What is the last month it snows in Caernarfon?
April is the last month it regularly snows in Caernarfon, United Kingdom. During 0.2 snowfall days, in April, Caernarfon aggregates 4mm (0.16") of snow.
What is the average length of the day in April in Caernarfon?
The average day length in April is 14h and 1min.
What time are sunrise and sunset in April in Caernarfon?
In April, on the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of the month, in Caernarfon, United Kingdom, sunrise is at 5:44 am and sunset at 8:44 pm BST.
How long on average sun shines in April in Caernarfon?
The average sunshine duration in April in Caernarfon is 7.6h.
How high is the UV index in April in Caernarfon?
The average daily maximum UV index in April in Caernarfon, United Kingdom, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Caernarfon, United Kingdom
  • Average high temperature in April: 10.6°C

The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is February (7°C).

  • Average low temperature in April: 6.3°C

The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in April
Caernarfon, United Kingdom
  • Average pressure in April: 1015mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

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

The windiest month (with the highest average wind speed) is December (25.3km/h).
The calmest month (with the lowest average wind speed) is June (15.1km/h).

Average humidity in April
Caernarfon, United Kingdom
  • Average humidity in April: 81%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (81%).

Average rainfall in April
Caernarfon, United Kingdom
  • Average rainfall in April: 38mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (37mm).

Average rainfall days in April
Caernarfon, United Kingdom
  • Average rainfall days in April: 16.3 days

The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is April (16.3 days).

Average snowfall in April
Caernarfon, United Kingdom
  • Average snowfall in April: 4mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in April
Caernarfon, United Kingdom
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in April /
Average sunshine in April
Caernarfon, United Kingdom
  • Average daylight in April: 14h and 0min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in April
Caernarfon, United Kingdom
  • Average sunshine days in April: 11.4 days

The month with the most sunshine days is April (11.4 days).
The month with the least sunshine days is December (4.2 days).

Average UV index in April
Caernarfon, 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, March, November and December (UV index 2).

Average cloud cover in April
Caernarfon, United Kingdom
  • Average cloud cover in April: 50

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 49).

Average visibility in April
Caernarfon, United Kingdom
  • Average visibility in April: 9km

The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, November and December (9km).

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