Normal weather for Castlerock in July
It's cool to moderate in July in Castlerock with an average temperature of 18°C. Temperatures this month range from a low of 16°C to a high of 20°C. At night, you can expect temperatures between 11°C and 14°C.
In July, there is an average of 87 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The water temperature at Castlerock is 12°C this month. This is too cold to swim without protective gear.
Want nice weather? Then July is a great time to be in Castlerock. You’ll have pleasant temperatures and not too much rain this month.
Castlerock in July |
London | ||
---|---|---|---|
Average Temperature |
18°C | 23°C | |
High Temp |
20°C | 27°C | |
Low Temp |
16°C | 21°C | |
Total Precipitation |
87 mm | 52 mm | |
Rainy Days |
11 days | 9 days |
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
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Start of July
The month of July starts in Castlerock with mild temperatures, averaging around 18°C during the day and nights close to 12°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-July
By mid-July, the average daytime temperature rises to around 19°C, with nights close to 13°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of July
By the end of July, the average daytime temperature in Castlerock will be around 19°C, with nights close to 13°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Temperature records
With 26°C, Castlerock hit the highest temperature in the last 10 years in July 2021. The lowest daytime temperature in this month was 12°C in 2015. The extreme night temperatures ranged from a low of 6°C to a high of 19°C.
Check out the climate of Castlerock for all months and discover the best travel time
Daily Temperature in July in Castlerock
This chart shows the average daily temperatures, both day and night, for each day in July 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 July in Castlerock
The chart below shows the average daily precipitation in July 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 July, you can expect around 11 days of rain in Castlerock.
Daily UV Index in July in Castlerock
This chart shows the average daily UV index in July 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 July in Castlerock Over the Years
This chart shows the average temperature in July in Castlerock, measured in degrees Celsius, over the past years.
Total Precipitation in July in Castlerock Over the Years
This chart shows the average precipitation in July 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 July for Castlerock
Click on a specific day in July 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 July 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