July weather forecast
Portinfer, Jersey

July

Weather in July

July is the warmest month, on average, in Portinfer with temperatures reaching up to 17.6°C (63.7°F). Despite being the peak of summer, the volume of rainfall remains moderate and doesn't disrupt outdoor activities. The UV index remains at 5, making sun protection a wise choice during peak hours of sunshine. Even though temperatures and humidity increase, wind speed further decreases, providing comfortable conditions overall. The cloud cover remains similar to June, keeping skies mostly clear.

Temperature

The arrival of July records an average high-temperature of a still refreshing 17.6°C (63.7°F), closely related to the 15.7°C (60.3°F) observed in June. July nights experience a minor temperature downturn to a moderate 15.7°C (60.3°F).

Humidity

The average relative humidity in July is 83%.

Rainfall

May and July are months with the least rain when the rain falls for 13.2 days and typically aggregates up to 27mm (1.06") of rain.

Snowfall

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

Daylight

In Portinfer, Jersey, the average length of the day in July is 15h and 46min.
On the first day of the month, sunrise is at 05:08 and sunset at 21:17. On the last day of July, sunrise is at 05:40 and sunset at 20:50 BST.

Sunshine

With an average of 9.8h of sunshine, July has the most sunshine of the year in Portinfer.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 5 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the average July temperature?
The high-temperature, in July, in Portinfer, records 17.6°C (63.7°F), while the low-temperature is 15.7°C (60.3°F).
What is the average humidity in July?
In Portinfer, the average relative humidity in July is 83%.
What is the driest month?
The months with the least rainfall are May and July Rain falls for 13.2 days and accumulates 27mm (1.06") of rain.
How many days does it rain in July?
In Portinfer, during July, the rain falls for 13.2 days and regularly aggregates up to 27mm (1.06") of precipitation.
When it does not snow?
In Portinfer, snow does not fall in February, April through October and December.
How many hours of daylight does Portinfer have in July?
In Portinfer, the average day length in July is 15h and 46min.
When is the sunrise / sunset in July?
On the first day of July, sunrise is at 05:08 and sunset at 21:17. On the last day of the month, sunrise is at 05:40 and sunset at 20:50 BST.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 9.8h of sunshine.
How many hours of sunshine does Portinfer have in July?
In Portinfer, the average sunshine duration in July is 9.8h.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
How high is the UV index in July?
In Portinfer, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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 July - Portinfer, Jersey
Average temperature in July
Portinfer, Jersey
  • Average high temperature in July: 17.6°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 July: 15.7°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).

Average pressure in July - Portinfer, Jersey
Average pressure in July
Portinfer, Jersey
  • Average pressure in July: 1016.9mbar

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

Average wind speed in July - Portinfer, Jersey
Average wind speed in July
Portinfer, Jersey
  • Average wind speed in July: 20.6km/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).

Average humidity in July - Portinfer, Jersey
Average humidity in July
Portinfer, Jersey
  • Average humidity in July: 83%

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

Average rainfall in July - Portinfer, Jersey
Average rainfall in July
Portinfer, Jersey
  • Average rainfall in July: 27mm

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

Average rainfall days in July - Portinfer, Jersey
Average rainfall days in July
Portinfer, Jersey
  • Average rainfall days in July: 13.2 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).

Average snowfall in July - Portinfer, Jersey
Average snowfall in July
Portinfer, Jersey
  • Average snowfall in July: 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).

Average snowfall days in July - Portinfer, Jersey
Average snowfall days in July
Portinfer, Jersey
  • Average snowfall days in July: 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).

Average daylight in July / Average sunshine in July - Portinfer, Jersey
Average daylight in July /
Average sunshine in July
Portinfer, Jersey
  • Average daylight in July: 15h and 5min

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 July: 9h and 5min

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).

Average sunshine days in July - Portinfer, Jersey
Average sunshine days in July
Portinfer, Jersey
  • Average sunshine days in July: 14.9 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).

Average UV index in July - Portinfer, Jersey
Average UV index in July
Portinfer, Jersey
  • Average UV index in July: 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).

Average cloud cover in July - Portinfer, Jersey
Average cloud cover in July
Portinfer, Jersey
  • Average cloud cover in July: 36

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).

Average visibility in July - Portinfer, Jersey
Average visibility in July
Portinfer, Jersey
  • Average visibility in July: 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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