Climate averages 1991–2020
Derry weather
in June.
A mild, moderately wet month: the 3rd warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Derry: daytime highs average 15.9°C and nights cool to about 10.2°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 87 mm of rain on roughly 16 days, which makes June a moderately wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 17 h 16 min on an average June day.
The nearest other city in this atlas is Lisburn (97 km away). In June its highs average 16.2°C, about as warm as Derry, with 75 mm of rain.
Among the 143 cities listed in the United Kingdom, Derry ranks joint 138th of 143 for the warmest June highs and 139th of 143 for the driest June (rainfall, lowest first). The mean June high of those 143 cities is 17.9°C; Derry is 2.0°C cooler than that mean.
From June to July, average highs rise by 1.4°C to 17.3°C, and monthly rainfall rises from 87 mm to 93 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Derry climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.1°C3.0°C | 3.0°C | 87 | 16.4 | 7.88 h |
| February | 7.5°C3.0°C | 3.0°C | 76 | 15.1 | 9.610 h |
| March | 9.0°C3.7°C | 3.7°C | 75 | 15.6 | 11.812 h |
| April | 11.1°C5.1°C | 5.1°C | 74 | 15.4 | 14.114 h |
| May | 13.8°C7.6°C | 7.6°C | 78 | 15.1 | 16.116 h |
| June, selected | 15.9°C10.2°C | 10.2°C | 87 | 15.5 | 17.317 h |
| July | 17.3°C11.9°C | 11.9°C | 93 | 16.8 | 16.817 h |
| August | 17.1°C11.9°C | 11.9°C | 94 | 16.7 | 15.015 h |
| September | 15.4°C10.4°C | 10.4°C | 75 | 14.2 | 12.813 h |
| October | 12.3°C8.0°C | 8.0°C | 88 | 15.5 | 10.511 h |
| November | 9.3°C5.4°C | 5.4°C | 90 | 16.6 | 8.58 h |
| December | 7.4°C3.4°C | 3.4°C | 90 | 15.8 | 7.37 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Lisburn in JuneUnited Kingdom · 97 kmHigh 16.2°C · Low 10.4°C · 75 mm rain
- Belfast in JuneUnited Kingdom · 99 kmHigh 15.9°C · Low 10.9°C · 75 mm rain
- Dublin in JuneIreland · 198 kmHigh 17.3°C · Low 11.1°C · 73 mm rain
- Tallaght in JuneIreland · 200 kmHigh 17.0°C · Low 10.6°C · 73 mm rain
- Paisley in JuneUnited Kingdom · 204 kmHigh 16.0°C · Low 9.5°C · 84 mm rain
- Douglas in JuneIsle of Man · 205 kmHigh 13.8°C · Low 11.7°C · 64 mm rain
- Glasgow in JuneUnited Kingdom · 215 kmHigh 16.0°C · Low 9.4°C · 86 mm rain
- East Kilbride in JuneUnited Kingdom · 215 kmHigh 15.4°C · Low 8.7°C · 86 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Derry) is explained once on the Derry year overview and on the Sources, method and limits page.