Belfast Weather in July
Average highs run from 80°F on July 1 to 80°F on July 31, and lows from 54°F to 55°F. Normal precipitation for the month is 4.05 in over about 12 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 80°F
- Average low
- 55°F
- Precipitation
- 4.05 in
- Record high
- 99°FJul 9, 1936
- Record low
- 30°FJul 20, 1965
- Chance of a freeze
- 0%
- Days of 90°F or more
- 2.5
- Daylight
- 15 h 13 min to 14 h 29 min
- Cloud cover
- 58%
- Humidity
- 75%
- Dew point
- 59°F
- Wind
- 4.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 80°F | 54°F | 93°F 1901 | 32°F 1965 | 41% | 0% |
| Jul 2 | 80°F | 54°F | 92°F 2026 | 36°F 2007 | 41% | 0% |
| Jul 3 | 80°F | 54°F | 94°F 1949 | 38°F 1988 | 41% | 0% |
| Jul 4 | 80°F | 54°F | 96°F 1897 | 37°F 1907 | 41% | 0% |
| Jul 5 | 80°F | 54°F | 94°F 1897 | 37°F 1932 | 41% | 0% |
| Jul 6 | 80°F | 54°F | 94°F 1934 | 35°F 1979 | 40% | 0% |
| Jul 7 | 80°F | 55°F | 94°F 1988 | 37°F 1942 | 40% | 0% |
| Jul 8 | 80°F | 55°F | 96°F 1936 | 39°F 1909 | 40% | 0% |
| Jul 9 | 80°F | 55°F | 99°F 1936 | 33°F 1963 | 40% | 0% |
| Jul 10 | 80°F | 55°F | 98°F 1936 | 34°F 1963 | 40% | 0% |
| Jul 11 | 80°F | 55°F | 97°F 1936 | 32°F 1898 | 40% | 0% |
| Jul 12 | 80°F | 55°F | 92°F 1936 | 34°F 1898 | 40% | 0% |
| Jul 13 | 81°F | 55°F | 95°F 1936 | 36°F 1940 | 40% | 0% |
| Jul 14 | 81°F | 55°F | 93°F 1936 | 38°F 1940 | 40% | 0% |
| Jul 15 | 81°F | 55°F | 92°F 1995 | 37°F 1960 | 40% | 0% |
| Jul 16 | 81°F | 55°F | 97°F 1988 | 38°F 1966 | 40% | 0% |
| Jul 17 | 81°F | 55°F | 92°F 1977 | 36°F 1934 | 40% | 0% |
| Jul 18 | 81°F | 55°F | 94°F 1977 | 39°F 1934 | 40% | 0% |
| Jul 19 | 81°F | 55°F | 93°F 1934 | 39°F 1939 | 40% | 0% |
| Jul 20 | 80°F | 55°F | 93°F 1934 | 30°F 1965 | 40% | 0% |
| Jul 21 | 80°F | 55°F | 92°F 2011 | 32°F 1965 | 40% | 0% |
| Jul 22 | 80°F | 55°F | 96°F 2011 | 40°F 1974 | 40% | 0% |
| Jul 23 | 80°F | 55°F | 97°F 2011 | 38°F 1934 | 40% | 0% |
| Jul 24 | 80°F | 55°F | 93°F 1934 | 40°F 1981 | 40% | 0% |
| Jul 25 | 80°F | 55°F | 94°F 1934 | 36°F 1906 | 40% | 0% |
| Jul 26 | 80°F | 55°F | 93°F 1934 | 40°F 1946 | 40% | 0% |
| Jul 27 | 80°F | 55°F | 95°F 1941 | 37°F 2001 | 40% | 0% |
| Jul 28 | 80°F | 55°F | 95°F 1935 | 38°F 1977 | 40% | 0% |
| Jul 29 | 80°F | 55°F | 91°F 1933 | 40°F 1977 | 40% | 0% |
| Jul 30 | 80°F | 55°F | 92°F 1933 | 38°F 1968 | 40% | 0% |
| Jul 31 | 80°F | 55°F | 93°F 1933 | 36°F 1966 | 40% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- July 1
- sunrise 5:40 AM, sunset 8:53 PM
- July 31
- sunrise 6:04 AM, sunset 8:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00300183 (Angelica), public domain. Records: NOAA GHCN-Daily, station USC00303025, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.