Belfast Weather in July
Average highs run from 17°C on July 1 to 19°C on July 31, and lows from 2°C to 3°C. Normal precipitation for the month is 6 mm over about 0 wet days.
July day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
July at a glance
- Average high
- 17°C
- Average low
- 2°C
- Precipitation
- 6 mm
- Reanalysis high
- 25°CJul 31, 2019
- Reanalysis low
- -4°CJul 11, 1994
- Daylight
- 10 h 34 min to 10 h 55 min
- Cloud cover
- 27%
- Humidity
- 58%
- Dew point
- -1°C
- Wind
- 11.9 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 17°C | 2°C | 22°C 2012 | -3°C 2011 | 4% |
| Jul 2 | 17°C | 2°C | 21°C 2012 | -2°C 2011 | 4% |
| Jul 3 | 17°C | 2°C | 21°C 2019 | -4°C 2018 | 4% |
| Jul 4 | 17°C | 2°C | 20°C 2004 | -3°C 1992 | 4% |
| Jul 5 | 17°C | 2°C | 22°C 2020 | -2°C 1994 | 4% |
| Jul 6 | 17°C | 2°C | 22°C 2020 | -3°C 1996 | 4% |
| Jul 7 | 17°C | 2°C | 22°C 2020 | -2°C 2011 | 4% |
| Jul 8 | 17°C | 2°C | 20°C 2012 | -3°C 1991 | 3% |
| Jul 9 | 17°C | 2°C | 22°C 2019 | -4°C 2014 | 3% |
| Jul 10 | 17°C | 2°C | 22°C 2019 | -1°C 2003 | 3% |
| Jul 11 | 17°C | 2°C | 24°C 2019 | -4°C 1994 | 4% |
| Jul 12 | 17°C | 2°C | 22°C 2019 | -3°C 1994 | 3% |
| Jul 13 | 17°C | 2°C | 21°C 1993 | -2°C 2020 | 2% |
| Jul 14 | 17°C | 2°C | 22°C 1993 | -2°C 2020 | 2% |
| Jul 15 | 17°C | 2°C | 21°C 2007 | -3°C 2020 | 2% |
| Jul 16 | 17°C | 2°C | 22°C 2015 | -4°C 2000 | 2% |
| Jul 17 | 17°C | 2°C | 23°C 1998 | -2°C 2004 | 3% |
| Jul 18 | 18°C | 2°C | 21°C 1992 | -2°C 2011 | 3% |
| Jul 19 | 18°C | 2°C | 21°C 1992 | -2°C 1995 | 4% |
| Jul 20 | 18°C | 2°C | 21°C 1998 | -3°C 2000 | 4% |
| Jul 21 | 18°C | 2°C | 22°C 2016 | -3°C 2000 | 4% |
| Jul 22 | 18°C | 2°C | 23°C 2005 | -2°C 2002 | 5% |
| Jul 23 | 18°C | 2°C | 22°C 2007 | -1°C 2001 | 5% |
| Jul 24 | 18°C | 2°C | 24°C 2005 | -4°C 2009 | 5% |
| Jul 25 | 18°C | 2°C | 24°C 2005 | -3°C 2009 | 6% |
| Jul 26 | 18°C | 3°C | 24°C 2005 | -2°C 1994 | 6% |
| Jul 27 | 18°C | 3°C | 24°C 2003 | -2°C 2009 | 5% |
| Jul 28 | 18°C | 3°C | 25°C 2003 | -2°C 2016 | 6% |
| Jul 29 | 19°C | 3°C | 24°C 2002 | -2°C 1991 | 7% |
| Jul 30 | 19°C | 3°C | 24°C 2002 | -2°C 2011 | 7% |
| Jul 31 | 19°C | 3°C | 25°C 2019 | -1°C 2004 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- July 1
- sunrise 6:47 AM, sunset 5:21 PM
- July 31
- sunrise 6:39 AM, sunset 5:34 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.