August weather forecast
Portinfer, Jersey

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Weather in August

August continues the mild summer weather in Portinfer. Temperatures are almost on par with July, with the maximum value reaching 18.1°C (64.6°F). Rainfall increases slightly, but it's countered with an equal increase in the days of rainfall. Even though the amount of daylight begins to wane, the UV index remains at 5, suggesting summer conditions still prevail. This month does observe a slight uptick in wind speed, though not yet reaching the winter levels.

Temperature

In Portinfer, the peak temperatures are generally noted in August, averaging a high of 18.1°C (64.6°F) and a low of 16.3°C (61.3°F).

Humidity

The average relative humidity in August is 81%.

Rainfall

In Portinfer, during August, the rain falls for 13.8 days and regularly aggregates up to 43mm (1.69") of precipitation. In Portinfer, during the entire year, the rain falls for 191.6 days and collects up to 531mm (20.91") of precipitation.

Snowfall

In Portinfer, snow does not fall in February, April through October and December.

Daylight

In Portinfer, the average length of the day in August is 14h and 21min.
On the first day of August, sunrise is at 05:41 and sunset at 20:48. On the last day of the month, sunrise is at 06:24 and sunset at 19:53 BST.

Sunshine

In August, the average sunshine in Portinfer is 9.3h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Portinfer. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in August suggests the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the hottest time of year in Portinfer?

August tends to be the warmest month in Portinfer, Jersey, with temperatures averaging a daily high of 18.1°C (64.6°F) and a low of 16.3°C (61.3°F).

What are the temperatures in Portinfer in August?

The average high-temperature and low-temperature during August are 18.1°C (64.6°F) and 16.3°C (61.3°F) respectively.

What is the average humidity in August in Portinfer?

The average relative humidity in August in Portinfer, Jersey, is 81%.

How much does it rain in Portinfer in August?

In Portinfer, Jersey, in August, it is raining for 13.8 days, with typically 43mm (1.69") of accumulated precipitation.

When it does not snow in Portinfer?

February, April through October and December are months without snowfall in Portinfer, Jersey.

How many hours of daylight does Portinfer have in August?

The average day length in August in Portinfer is 14h and 21min.

When is the sunrise / sunset in August in Portinfer?

In August, on the first day of the month, sunrise is at 05:41 and sunset at 20:48. On the last day of the month, in Portinfer, Jersey, sunrise is at 06:24 and sunset at 19:53 BST.

How many hours of sunshine does Portinfer have in August?

In Portinfer, the average sunshine duration in August is 9.3h.

What is the month with the highest UV index in Portinfer?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in August in Portinfer?

In August, the average daily maximum UV index in Portinfer, Jersey, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Portinfer, Jersey

Average temperature in August - Portinfer, Jersey
  • Average high temperature in August: 18.1°C

The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (9°C).

  • Average low temperature in August: 16.3°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).

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Average pressure in August
Portinfer, Jersey

Average pressure in August - Portinfer, Jersey
  • Average pressure in August: 1016.5mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

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Average wind speed in August
Portinfer, Jersey

Average wind speed in August - Portinfer, Jersey
  • Average wind speed in August: 21.2km/h

The windiest month (with the highest average wind speed) is December (34.3km/h).
The calmest month (with the lowest average wind speed) is July (20.6km/h).

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Average humidity in August
Portinfer, Jersey

Average humidity in August - Portinfer, Jersey
  • Average humidity in August: 81%

The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, November and December (78%).

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Average rainfall in August
Portinfer, Jersey

Average rainfall in August - Portinfer, Jersey
  • Average rainfall in August: 43mm

The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are May and July (27mm).

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Average rainfall days in August
Portinfer, Jersey

Average rainfall days in August - Portinfer, Jersey
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is November (20.7 days).
The month with the least rainy days is May (12.7 days).

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Average snowfall in August
Portinfer, Jersey

Average snowfall in August - Portinfer, Jersey
  • Average snowfall in August: 0mm

The months with the highest snowfall are January, March and November (1mm).
The months with the least snowfall are February, April, May, June, July, August, September, October and December (0mm).

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Average snowfall days in August
Portinfer, Jersey

Average snowfall days in August - Portinfer, Jersey
  • Average snowfall days in August: 0 days

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

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Average daylight in August /
Average sunshine in August
Portinfer, Jersey

Average daylight in August / Average sunshine in August - Portinfer, Jersey
  • 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 18min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Portinfer, Jersey

Average sunshine days in August - Portinfer, Jersey
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is November (6.5 days).

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Average UV index in August
Portinfer, Jersey

Average UV index in August - Portinfer, Jersey
  • Average UV index in August: 5

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

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Average cloud cover in August
Portinfer, Jersey

Average cloud cover in August - Portinfer, Jersey
  • Average cloud cover in August: 39

The months with the most cloud cover are January, November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in August
Portinfer, Jersey

Average visibility in August - Portinfer, Jersey
  • 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).

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Portinfer, Jersey

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