What’s the climate like in Derry?
The current climate of Derry features average monthly temperatures ranging from highs of 18°C during the day to lows of 8°C. The average yearly temperature is around 13°C. At night, temperatures in the colder months average around 3°C and in the warmer months around 12°C.
The highest temperature recorded in Derry in recent years was 27°C in July 2021. The lowest daytime temperature recorded was -1°C in February 2018.
On average, Derry gets 1048 mm of precipitation each year. Of this, about 5,3 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Derry?
The best time to visit Derry for pleasant to warm weather is May through September. There might be some rain during this period, but the temperatures are just right for exploring Derry.
Climate Table of Derry
The climate table of Derry shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 8 | 8 | 10 | 12 | 15 | 17 | 18 | 18 | 16 | 13 | 10 | 9 |
| Temp. min (°C) | 4 | 4 | 4 | 6 | 8 | 11 | 12 | 12 | 11 | 9 | 6 | 5 |
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| Precipitation (mm) | 104 | 115 | 81 | 49 | 66 | 65 | 88 | 94 | 74 | 91 | 106 | 115 |
| Snow (cm) | 1,5 | 2,5 | 0,7 | 0,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,4 |
| UV Index | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 13°C
- Highest temperature: 18°C in July and August
- Lowest temperature: 8°C in January and February
- Precipitation*: 1048 mm per year, averaging 87 mm per month
- Snowfall: 5,3 cm per year
- Driest months: 49 mm in April, 65 mm in June and 66 mm in May
- Wettest months: 115 mm in February, 115 mm in December and 106 mm in November
*Precipitation is measured as a combination of rain, snow, and hail
Table of Contents
Average Temperature per Month in Derry
This graph shows the average maximum temperatures per month in Derry, Northern Ireland. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Derry
This graph shows how much precipitation Derry, Northern Ireland, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Derry
This graph shows how much snow Derry, Northern Ireland, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Derry
This graph shows the average UV index per month in Derry, Northern Ireland. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Derry
This graph shows the average yearly temperature in Derry, Northern Ireland. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Derry
This chart shows the total yearly precipitation in Derry, Northern Ireland, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Derry
This chart shows the total yearly snowfall in Derry, Northern Ireland, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Derry
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Average Weather in Derry by Month
Click on a month below to see detailed weather info for Derry. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
