Normal weather for Castlerock in June
It's cool to moderate in June in Castlerock with an average temperature of 17°C. Temperatures this month range from a low of 16°C to a high of 18°C. At night, you can expect temperatures between 9°C and 13°C.
In June, there is an average of 61 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.
The water temperature at Castlerock is 16°C this month. This is probably too cold to swim without protective gear.
Looking for sun and warm weather? Then June isn’t the best time to be in Castlerock. The temperature is too low this month for a warm stay.
Castlerock in June |
London | ||
|---|---|---|---|
 Average Temperature |
17°C | 22°C | |
 High Temp |
18°C | 24°C | |
| Low Temp |
16°C | 18°C | |
 Total Precipitation |
61 mm | 57 mm | |
| Rainy Days |
9 days | 10 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 June
The month of June starts in Castlerock with cool temperatures, averaging around 17°C during the day and nights close to 11°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-June
By mid-June, the average daytime temperature stays the same at 17°C, with nights close to 12°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of June
By the end of June, the average daytime temperature in Castlerock will be around 18°C, with nights close to 12°C. A shower might show up, but overall the weather will be dry and sunny.
Temperature records
With 26°C, Castlerock hit the highest temperature in the last 10 years in June 2023. The lowest daytime temperature in this month was 10°C in 2015. The extreme night temperatures ranged from a low of 3°C to a high of 17°C.
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Daily Temperature in June in Castlerock
This chart shows the average daily temperatures, both day and night, for each day in June in Castlerock, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in June in Castlerock
The chart below shows the average daily precipitation in June for Castlerock, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for June, you can expect around 9 days of rain in Castlerock.
Daily UV Index in June in Castlerock
This chart shows the average daily UV index in June in Castlerock, 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.
Temperature in June in Castlerock Over the Years
This chart shows the average temperature in June in Castlerock, measured in degrees Celsius, over the past years.
Total Precipitation in June in Castlerock Over the Years
This chart shows the average precipitation in June in Castlerock, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in June for Castlerock
Click on a specific day in June for detailed info on the typical weather on that day in Castlerock. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in June in Castlerock
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Average Weather in Castlerock by Month
Click on a month below to see detailed weather info for Castlerock. 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 Castlerock for all months at once
