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, with its average high-temperature of 19°C (66.2°F) and an average low-temperature of 13°C (55.4°F), holds the record as the warmest month in Cardiff.Humidity
The average relative humidity in July is 83%.Rainfall
In Cardiff, in July, during 12.1 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Cardiff, during the entire year, the rain falls for 132.6 days and collects up to 252mm (9.92") of precipitation.Snowfall
March through October are months without snowfall.Sea temperature
In Cardiff, in July, the average water temperature is 15.7°C (60.3°F).Note: For most, swimming in 15.7°C (60.3°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.
Daylight
In Cardiff, the average length of the day in July is 16h and 5min.On the first day of July, sunrise is at 5:00 am and sunset at 9:33 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 9:02 pm BST.
Sunshine
The average sunshine in July in Cardiff, United Kingdom, is 8.1h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Cardiff, United Kingdom. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 in July translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the warmest months in Cardiff?
What are the temperatures in Cardiff in July?
What is the average humidity in July in Cardiff?
How much does it rain in Cardiff in July?
When it does not snow in Cardiff?
What is the sea water temperature in July in Cardiff?
What is the average length of the day in July in Cardiff?
When are sunrise and sunset in July in Cardiff?
How long on average sun shines in July in Cardiff?
When is the highest UV index in Cardiff?
How high is the UV index in July in Cardiff?
Average temperature in July
Cardiff, United Kingdom
- Average high temperature in July: 19°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in July: 13°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in July
Cardiff, United Kingdom
- Average pressure in July: 1015.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in July
Cardiff, United Kingdom
- Average wind speed in July: 15.2km/h
The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.2km/h).
Average humidity in July
Cardiff, United Kingdom
- Average humidity in July: 83%
The months with the highest relative humidity are November and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in July
Cardiff, United Kingdom
- Average rainfall in July: 16mm
The wettest months (with the highest rainfall) are August and November (31mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in July
Cardiff, United Kingdom
- Average rainfall days in July: 12.1 days
The month with the highest number of rainy days is November (13.5 days).
The months with the least rainy days are February and April (9.1 days).
Average snowfall in July
Cardiff, United Kingdom
- Average snowfall in July: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in July
Cardiff, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in July
Cardiff, United Kingdom
- Average sea temperature in July: 15.7°C
The best months for swimming (with the highest average sea temperature) are August and September (16.6°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in July /
Average sunshine in July
Cardiff, United Kingdom
- Average daylight in July: 16h and 1min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in July: 8h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in July
Cardiff, United Kingdom
- Average sunshine days in July: 15.4 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in July
Cardiff, United Kingdom
- Average UV index in July: 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 July
Cardiff, United Kingdom
- Average cloud cover in July: 49
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in July
Cardiff, United Kingdom
- Average visibility in July: 9km
The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).
Cardiff, United Kingdom
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