Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July welcomes an average high-temperature of a mild 14.5°C (58.1°F), not much different from the preceding month. July nights register a minor temperature decline, steadying at a fresh 12.1°C (53.8°F).Humidity
With an average relative humidity of 84%, July is the most humid month in Stornoway.Rainfall
In July, in Stornoway, the rain falls for 20.2 days. Throughout July, 57mm (2.24") of precipitation is accumulated. In Stornoway, during the entire year, the rain falls for 258.9 days and collects up to 808mm (31.81") of precipitation.Snowfall
June through October are months without snowfall in Stornoway.Sea temperature
In Stornoway, the average seawater temperature in July is 12.8°C (55°F).Note: With an efficient thermal swimsuit, one can navigate 12.8°C (55°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.
Daylight
In July, the average length of the day in Stornoway is 17h and 26min.On the first day of the month, sunrise is at 4:26 am and sunset at 10:32 pm. On the last day of July, sunrise is at 5:16 am and sunset at 9:46 pm BST.
Sunshine
In July, the average sunshine is 7.3h.UV index
The months with the highest UV index in Stornoway are May through July and September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during July translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Stornoway in July?
What is the most humid month in Stornoway?
What is the average humidity in July in Stornoway?
How many days does it rain in July in Stornoway?
When it does not snow in Stornoway?
What is the water temperature in July in Stornoway?
What is the average length of the day in July in Stornoway?
When is the sunrise / sunset in July in Stornoway?
How many hours of sunshine does Stornoway have in July?
What is the month with the highest UV index in Stornoway?
What is the UV index reading in July in Stornoway?
Average temperature in July
Stornoway, United Kingdom
- Average high temperature in July: 14.5°C
The warmest month (with the highest average high temperature) is August (14.8°C).
The month with the lowest average high temperature is February (7.4°C).
- Average low temperature in July: 12.1°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in July
Stornoway, United Kingdom
- Average pressure in July: 1011.3mbar
The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is December (1003.9mbar).
Average wind speed in July
Stornoway, United Kingdom
- Average wind speed in July: 20.5km/h
The windiest month (with the highest average wind speed) is January (35.6km/h).
The calmest month (with the lowest average wind speed) is July (20.5km/h).
Average humidity in July
Stornoway, United Kingdom
- Average humidity in July: 84%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, November and December (76%).
Average rainfall in July
Stornoway, United Kingdom
- Average rainfall in July: 57mm
The wettest month (with the highest rainfall) is December (92mm).
The driest months (with the least rainfall) are April and June (43mm).
Average rainfall days in July
Stornoway, United Kingdom
- Average rainfall days in July: 20.2 days
The month with the highest number of rainy days is December (25 days).
The month with the least rainy days is June (16.6 days).
Average snowfall in July
Stornoway, United Kingdom
- Average snowfall in July: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in July
Stornoway, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in July
Stornoway, United Kingdom
- Average sea temperature in July: 12.8°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.6°C).
Average daylight in July /
Average sunshine in July
Stornoway, United Kingdom
- Average daylight in July: 17h and 2min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in July: 7h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in July
Stornoway, United Kingdom
- Average sunshine days in July: 7.4 days
The month with the most sunshine days is June (10.8 days).
The month with the least sunshine days is December (3.2 days).
Average UV index in July
Stornoway, United Kingdom
- Average UV index in July: 4
The months with the highest UV index are May, June, July 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 July
Stornoway, United Kingdom
- Average cloud cover in July: 62
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 57).
Average visibility in July
Stornoway, United Kingdom
- Average visibility in July: 9km
The months with the highest visibility are April and June (10km).
The months with the lowest visibility are January, February, March, May, July, August, September, October, November and December (9km).
Stornoway, United Kingdom
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