August weather forecast
Caernarfon, United Kingdom

August

Weather in August

The last month of the summer, August, is another refreshing month in Caernarfon, United Kingdom, with temperature in the range of an average high of 16.6°C (61.9°F) and an average low of 13.2°C (55.8°F).

Temperature

August's climate shows a minor adjustment in average high-temperatures to a still refreshing 16.6°C (61.9°F) from July's 16.7°C (62.1°F). The low temperature average in Caernarfon during August reflects a slight decrease to a moderate 13.2°C (55.8°F) from the day's peak.

Humidity

With an average relative humidity of 86%, August is the most humid month.

Rainfall

In Caernarfon, in August, during 23.6 rainfall days, 75mm (2.95") of precipitation is typically accumulated. In Caernarfon, during the entire year, the rain falls for 236.8 days and collects up to 754mm (29.69") of precipitation.

Snowfall

In Caernarfon, United Kingdom, snow does not fall in May through October.

Daylight

In Caernarfon, United Kingdom, the average length of the day in August is 14h and 43min.
On the first day of the month, sunrise is at 5:35 am and sunset at 9:11 pm. On the last day of August, sunrise is at 6:26 am and sunset at 8:08 pm BST.

Sunshine

The average sunshine in August is 7.1h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index in Caernarfon. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 4 in August translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What is the usual temperature for Caernarfon in August?
In Caernarfon, 16.6°C (61.9°F) is the average high-temperature and 13.2°C (55.8°F) is the average low-temperature during August.
What is the most humid month in Caernarfon?
August is the most humid month, with an average relative humidity of 86%.
What is the average humidity in August in Caernarfon?
In August, the average relative humidity in Caernarfon is 86%.
How much does it rain in Caernarfon in August?
In Caernarfon, in August, during 23.6 rainfall days, 75mm (2.95") of precipitation is typically accumulated.
When it does not snow in Caernarfon?
May through October are months without snowfall in Caernarfon.
How many hours of daylight does Caernarfon have in August?
The average day length in August in Caernarfon, United Kingdom, is 14h and 43min.
When are sunrise and sunset in August in Caernarfon?
On the first day of August in Caernarfon, United Kingdom, sunrise is at 5:35 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:08 pm BST.
How long on average sun shines in August in Caernarfon?
In August, the average sunshine duration in Caernarfon, United Kingdom, is 7.1h.
When is the highest UV index in Caernarfon?
May through September, with an average maximum UV index of 4, are months with the highest UV index in Caernarfon.
What is the UV index intensity in August in Caernarfon?
In Caernarfon, United Kingdom, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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 August - Caernarfon, United Kingdom
Average temperature in August
Caernarfon, United Kingdom
  • Average high temperature in August: 16.6°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 August: 13.2°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 August - Caernarfon, United Kingdom
Average pressure in August
Caernarfon, United Kingdom
  • Average pressure in August: 1013.3mbar

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 August - Caernarfon, United Kingdom
Average wind speed in August
Caernarfon, United Kingdom
  • Average wind speed in August: 17.7km/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 August - Caernarfon, United Kingdom
Average humidity in August
Caernarfon, United Kingdom
  • Average humidity in August: 86%

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

Average rainfall in August - Caernarfon, United Kingdom
Average rainfall in August
Caernarfon, United Kingdom
  • Average rainfall in August: 75mm

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

Average rainfall days in August - Caernarfon, United Kingdom
Average rainfall days in August
Caernarfon, United Kingdom
  • Average rainfall days in August: 23.6 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 August - Caernarfon, United Kingdom
Average snowfall in August
Caernarfon, United Kingdom
  • Average snowfall in August: 0mm

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 August - Caernarfon, United Kingdom
Average snowfall days in August
Caernarfon, United Kingdom
  • Average snowfall days in August: 0 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 August / Average sunshine in August - Caernarfon, United Kingdom
Average daylight in August /
Average sunshine in August
Caernarfon, United Kingdom
  • Average daylight in August: 14h and 4min

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 August: 7h and 1min

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 August - Caernarfon, United Kingdom
Average sunshine days in August
Caernarfon, United Kingdom
  • Average sunshine days in August: 4.9 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 August - Caernarfon, United Kingdom
Average UV index in August
Caernarfon, United Kingdom
  • Average UV index in August: 4

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 August - Caernarfon, United Kingdom
Average cloud cover in August
Caernarfon, United Kingdom
  • Average cloud cover in August: 57

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 August - Caernarfon, United Kingdom
Average visibility in August
Caernarfon, United Kingdom
  • Average visibility in August: 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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