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Normal weather for Cardiff in July

It's pleasantly warm in July in Cardiff with an average temperature of 20°C. Temperatures this month range from a low of 19°C to a high of 23°C. At night, you can expect temperatures between 11°C and 15°C.

In July, there is an average of 79 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Looking for great weather? July is a good time to be in Cardiff. The temperatures are nice, and there’s not too much rain.

Cardiff in July

New York
Temperature Average Temperature
20°C 31°C
Sun High Temp
23°C 33°C
Sun Low Temp
19°C 29°C
Rain Total Precipitation
79 mm 160 mm
Rain Rainy Days
11 days 18 days

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

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Start of July

The month of July starts in Cardiff with mild temps, averaging around 20°C during the day and nights around 13°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.

Mid July

By mid-July, daytime temps rise to around 21°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of July

By the end of July, the average daytime temperature in Cardiff is around 21°C, while nighttime temps are about 14°C. A shower might pop up, but overall, the weather will be dry and sunny.

Temperature records

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Daily Temperature in July in Cardiff

This chart shows the average daily high and low temperatures in July for Cardiff, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in July in Cardiff

Daily Precipitation in July in Cardiff

The chart below shows the average daily precipitation in July for Cardiff, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 11 days of precipitation in Cardiff.

Daily Precipitation in July in Cardiff

Daily UV Index in July in Cardiff

This chart shows the average daily UV index in July in Cardiff, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in July in Cardiff

Temperature in July in Cardiff Over the Years

This chart shows the average temperature in July in Cardiff, measured in degrees Celsius, over the past few years.

Temperature in July in Cardiff Over the Years

Total Precipitation in July in Cardiff Over the Years

This chart shows the average precipitation in July in Cardiff, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in July in Cardiff Over the Years

Daily Climate in July for Cardiff

Click on any day in July to get detailed info about the usual weather on that day in Cardiff. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in July in Cardiff

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Average Weather in Cardiff by Month

Click on a month below to see detailed weather info for Cardiff. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Cardiff for all months at once

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