Climate averages 1991–2020
Douglas weather
in July.
A mild, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Douglas: daytime highs average 15.5°C and nights cool to about 13.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 67 mm of rain on roughly 12 days, which makes July a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 36 min on an average July day.
The nearest other city in this atlas is Blackpool (101 km away). In July its highs average 17.7°C, 2.1°C warmer than Douglas, with 97 mm of rain.
From July to August, average highs rise by 0.5°C to 16.0°C, and monthly rainfall rises from 67 mm to 78 mm.
The annual picture
July 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
Douglas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.1°C5.8°C | 5.8°C | 97 | 16.5 | 8.08 h |
| February | 7.6°C5.4°C | 5.4°C | 76 | 14.3 | 9.710 h |
| March | 8.1°C5.8°C | 5.8°C | 70 | 12.9 | 11.812 h |
| April | 9.4°C7.1°C | 7.1°C | 59 | 11.7 | 14.014 h |
| May | 11.7°C9.3°C | 9.3°C | 56 | 11.2 | 16.016 h |
| June | 13.8°C11.7°C | 11.7°C | 64 | 10.7 | 17.117 h |
| July, selected | 15.5°C13.5°C | 13.5°C | 67 | 12.2 | 16.617 h |
| August | 16.0°C14.0°C | 14.0°C | 78 | 12.9 | 14.915 h |
| September | 15.1°C13.1°C | 13.1°C | 85 | 13.3 | 12.813 h |
| October | 13.1°C11.0°C | 11.0°C | 117 | 16.1 | 10.611 h |
| November | 10.6°C8.5°C | 8.5°C | 125 | 18.5 | 8.69 h |
| December | 8.9°C6.6°C | 6.6°C | 114 | 18.2 | 7.57 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
July in nearby cities
- Blackpool in JulyUnited Kingdom · 101 kmHigh 17.7°C · Low 13.4°C · 97 mm rain
- Belfast in JulyUnited Kingdom · 106 kmHigh 17.4°C · Low 12.5°C · 81 mm rain
- Fylde in JulyUnited Kingdom · 108 kmHigh 17.8°C · Low 13.2°C · 97 mm rain
- Lisburn in JulyUnited Kingdom · 109 kmHigh 17.7°C · Low 12.1°C · 81 mm rain
- Southport in JulyUnited Kingdom · 112 kmHigh 18.2°C · Low 13.5°C · 97 mm rain
- Preston in JulyUnited Kingdom · 124 kmHigh 18.4°C · Low 12.5°C · 98 mm rain
- Liverpool in JulyUnited Kingdom · 129 kmHigh 18.6°C · Low 13.2°C · 87 mm rain
- Carlisle in JulyUnited Kingdom · 130 kmHigh 18.2°C · Low 11.3°C · 81 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 Douglas) is explained once on the Douglas year overview and on the Sources, method and limits page.