August weather forecast
Saint Saviour, Guernsey

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Weather in August

August ushers in the tail end of summer in Saint Saviour, making it a popular timeframe for vacationers. The weather in August does not disappoint, with top temperatures peaking at 17.8°C (64°F). The migrant birds start to make their journey back, spurred by the waning daylight hours. Unpredictable pops of thundery showers may be visible, given the high temperatures and humidity. Into the month's end, expect a shift into a quieter and cooler phase signaling autumn's approach.

Temperature

Saint Saviour experiences its highest temperatures in August, with an average peak of 17.8°C (64°F) and a low of 15.8°C (60.4°F).

Humidity

In August, the average relative humidity is 82%.

Rainfall

In August, in Saint Saviour, the rain falls for 14 days. Throughout August, 41mm (1.61") of precipitation is accumulated. In Saint Saviour, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

In Saint Saviour, snow does not fall in February through December.

Daylight

In Saint Saviour, the average length of the day in August is 14h and 22min.
On the first day of August, sunrise is at 05:42 and sunset at 20:50. On the last day of the month, sunrise is at 06:25 and sunset at 19:55 BST.

Sunshine

In August, the average sunshine in Saint Saviour is 9.2h.

UV index

July through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

What time of the year is the hottest in Saint Saviour?

In Saint Saviour, the average temperatures in August are the highest, with a peak at 17.8°C (64°F) and a low of 15.8°C (60.4°F).

What is the average August temperature in Saint Saviour?

The average high-temperature, in August, in Saint Saviour, is 17.8°C (64°F), while the average low-temperature is 15.8°C (60.4°F).

What is the average humidity in August in Saint Saviour?

In Saint Saviour, the average relative humidity in August is 82%.

How many days does it rain in August in Saint Saviour?

In August, the rain falls for 14 days. Throughout August, 41mm (1.61") of precipitation is accumulated.

When it does not snow in Saint Saviour?

February through December are months without snowfall in Saint Saviour.

What is the average length of the day in August in Saint Saviour?

In August, the average day length in Saint Saviour, Guernsey, is 14h and 22min.

What time are sunrise and sunset in August in Saint Saviour?

On the first day of August in Saint Saviour, sunrise is at 05:42 and sunset at 20:50. On the last day of the month, sunrise is at 06:25 and sunset at 19:55 BST.

How many hours of sunshine does Saint Saviour have in August?

In August, the average sunshine duration in Saint Saviour is 9.2h.

What are the months with the highest UV index in Saint Saviour?

July through September, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in August in Saint Saviour?

In Saint Saviour, Guernsey, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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 temperature in August
Saint Saviour, Guernsey

Average temperature in August - Saint Saviour, Guernsey
  • Average high temperature in August: 17.8°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).

  • Average low temperature in August: 15.8°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

Average pressure in August
Saint Saviour, Guernsey

Average pressure in August - Saint Saviour, Guernsey
  • Average pressure in August: 1016.4mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in August
Saint Saviour, Guernsey

Average wind speed in August - Saint Saviour, Guernsey
  • Average wind speed in August: 22.8km/h

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

Average humidity in August
Saint Saviour, Guernsey

Average humidity in August - Saint Saviour, Guernsey
  • Average humidity in August: 82%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).

Average rainfall in August
Saint Saviour, Guernsey

Average rainfall in August - Saint Saviour, Guernsey
  • Average rainfall in August: 41mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in August
Saint Saviour, Guernsey

Average rainfall days in August - Saint Saviour, Guernsey
  • Average rainfall days in August: 14 days

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

Average snowfall in August
Saint Saviour, Guernsey

Average snowfall in August - Saint Saviour, Guernsey
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in August
Saint Saviour, Guernsey

Average snowfall days in August - Saint Saviour, Guernsey
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in August /
Average sunshine in August
Saint Saviour, Guernsey

Average daylight in August / Average sunshine in August - Saint Saviour, Guernsey
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in August: 9h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

Average sunshine days in August
Saint Saviour, Guernsey

Average sunshine days in August - Saint Saviour, Guernsey
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

Average UV index in August
Saint Saviour, Guernsey

Average UV index in August - Saint Saviour, Guernsey
  • Average UV index in August: 5

The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in August
Saint Saviour, Guernsey

Average cloud cover in August - Saint Saviour, Guernsey
  • Average cloud cover in August: 40

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in August
Saint Saviour, Guernsey

Average visibility in August - Saint Saviour, Guernsey
  • Average visibility in August: 10km

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

Saint Saviour, Guernsey

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