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Cardiff in June: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Cardiff in June will be like? Take a look at our weather guide for Cardiff, based on historical data.
Check flight prices to Cardiff on Avionero:
June

Weather in Cardiff in June 2024

OK Weather
Mild
☁️
Cloudy
June could be a good time to visit Cardiff, as the weather is generally fine. The average high temperature is around +66°F, and there are typically 5 sunny days in June. However, expect about 8 rainy days, and total monthly rainfall of approximately 74 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+66°F
Avg. max. temperature
+37°F
Min.
+86°F
Max.
74 mm
Total precipitation
76%
Avg. humidity
3 m/s
Avg. wind
5 ☀️
Sunny Days
17 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Cardiff has OK weather in June.

Average temperature in Cardiff in June

Here are the expected maximum, average and minimum temperatures in Cardiff for June based on the historical data.
Last Year
Historical Data

Going from a maximum of +81°F during the day to a minimum of +46°F during the night, the temperature in June averages around +68°F.

The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +64°F to +66°F.

Is Cardiff warm or cold in June?

Cardiff is typically mild in June.

Maximum temperatures go up compared to the previous month from +61°F to +66°F. The minimum temperature also goes up from +48°F to +54°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

June is one of the warmest months in Cardiff, here is the comparison with other months:

Climate in Cardiff in June

Cardiff weather looks like this, on average, in June and the surrounding months.
MayJuneJuly
Avg. temperature
+61°F+66°F+70°F
Min. temperature
+32°F+37°F+43°F
Max. temperature
+81°F+86°F+93°F
Rainfall
72 mm74 mm71 mm
Wind
4 m/s3 m/s3 m/s
Humidity
75%76%76%
Air pressure
1014 HPa1015 HPa1014 HPa
Sunny days
656
Cloudy days
171717
Rainy days
888
Snowy days
000

June weather is still as ok as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +61°F to +66°F during the day. Prepare for more rain. Average rainfall goes from 72 mm to 74 mm. Humidity rises from 75% to 76%. Winds are calmer in comparison to May, going down from 4 m/s to 3 m/s on average. The days becoming less sunny, going from 6 sunny days in May to 5 in June.

July brings much the same weather, it remains ok.

Wind

Wind speed in Cardiff in June based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Cardiff is gradually increasing during June, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during June in Cardiff based on historical data.
Last Year
Historical Data
Total precipitation in June is about 262 mm, with a 67% chance of rain on a typical day. The maximum amount of rainfall per day is around 56 mm, which is considered heavy rain. June is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how June is compared with other months in the amount of precipitation, total mm:
Cardiff wettest month is October, where a typical day has a 39% chance of precipitation and 118 mm of rainfall per day. April, on the other hand, is the driest month with a mere 23% chance of precipitation and 62 mm of rainfall per day.

How was the weather last June in Cardiff?

This is the weather in Cardiff in June 2023:
1 June
☁️
+64°F
2 June
☀️
+69°F
3 June
🌧️
+71°F
4 June
🌧️
+65°F
5 June
🌧️
+56°F
6 June
☁️
+66°F
7 June
🌧️
+68°F
8 June
☁️
+64°F
9 June
🌧️
+63°F
10 June
☁️
+67°F
11 June
☁️
+65°F
12 June
☀️
+65°F
13 June
☀️
+64°F
14 June
☁️
+69°F
15 June
☁️
+70°F
16 June
☁️
+76°F
17 June
☁️
+79°F
18 June
🌧️
+64°F
19 June
🌧️
+63°F
20 June
☀️
+70°F
21 June
☁️
+73°F
22 June
☀️
+80°F
23 June
☀️
+75°F
24 June
🌧️
+65°F
25 June
🌧️
+62°F
26 June
🌧️
+67°F
27 June
🌧️
+63°F
28 June
🌧️
+62°F
29 June
🌧️
+64°F
30 June
🌧️
+65°F
In June 2023 Cardiff had 6 sunny days, 10 cloudy days, and 14 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +81°F and a minimum of +55°F. The average humidity was 75%, with a maximum of 94% and a minimum of 35%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in June?

Climate Change Over the Years

This is how Cardiff climate has changed over the last 43 years.

The climate in Cardiff in June has not changed that much over the last 43 years.

The average temperature was the lowest in 1991 (+62°F) and the highest in 2014 (+75°F). The driest year was 2018 with only 7 mm of rainfall, and the wettest year was 2022 with 275 mm.

FAQ

Frequently asked questions about the weather in Cardiff in June:

Is June a good time to visit Cardiff?

It’s always a good time to visit Cardiff, but the weather is changeable in June, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Cardiff in June?

June has mild temperatures in Cardiff. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Cardiff rainy in June?

Cardiff is often rainy in June. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Cardiff in June?

Usually, it’s not very sunny in Cardiff in June, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in United Kingdom

Check out the weather for other cities in United Kingdom.

Monthly weather in Cardiff

Source of the data

For this page, we’ve looked at the typical weather in Cardiff, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.