June is one of the warmer months of the year in Antrim, with average highs near 16.2°C and lows around 9.4°C (mean 12.8°C). It is about average for rainfall, averaging 82 mm of rainfall and 84% relative humidity across the period.
June is one of the warmer months of the year in Antrim. Across 45 years of records, the warmest June in Antrim was 2023 — when the month averaged 15.6°C — while the coldest were 1987 and 1991 at 11°C. Typical June days reach 16.2°C with nights near 9.4°C. The long-term trend is warming, about 0.3°C per decade.
June is about average for rainfall in Antrim, averaging 82 mm of rainfall. The wettest June on record was 2012 with 176 mm, while the driest was 1995 at 40 mm.
Relative humidity in Antrim during June averages 84%. The most humid Junes were 2002 and 2007 at 87%, and the least humid was 2018 at 80%.
June receives about 4.7 kWh/m²/day of solar energy in Antrim. The sunniest Junes were 2018 and 2023 at 5.6 kWh/m²/day, and the cloudiest was 2012 at 3.7.
Average wind speed in Antrim during June is 3.4 m/s. The windiest June was 2002 at 4.2 m/s, while the calmest was 2018 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.4°C | 12.4°C | 13.0°C | 13.0°C | 13.6°C | +1.2°C |
| Avg High | 15.9°C | 15.7°C | 16.3°C | 16.4°C | 17.2°C | +1.3°C |
| Avg Low | 9.0°C | 9.0°C | 9.8°C | 9.6°C | 10.0°C | +1°C |
| Avg Rain | 74 mm | 79 mm | 84 mm | 91 mm | 77 mm | +4 mm |
June temperatures in Antrim have risen by about 1.3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 3.4°C (1991) to a record high of 25.4°C (2018).
Rainfall in June is about average for rainfall, averaging 82 mm, with a wettest year of 176 mm.
One of the best times to visit Antrim
June is one of the best times to visit Antrim. Expect days averaging 16.2°C and nights around 9.4°C (mean 12.8°C) — warmer than Antrim's yearly average — with higher rainfall (82 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 17.4°C | 13.7°C | 10.0°C | 22.5°C | 5.6°C | 106 mm | 85% | 3.7 m/s | 4.5 |
| 2024 | 15.7°C | 12.2°C | 8.7°C | 22.2°C | 6.0°C | 48 mm | 83% | 3.7 m/s | 4.5 |
| 2023 🔥 | 19.4°C | 15.6°C | 11.8°C | 23.2°C | 8.3°C | 70 mm | 83% | 2.7 m/s | 5.6 |
| 2022 | 16.7°C | 13.3°C | 10.0°C | 19.5°C | 6.8°C | 77 mm | 84% | 3.5 m/s | 4.7 |
| 2021 | 17.2°C | 13.5°C | 9.7°C | 20.6°C | 7.0°C | 48 mm | 84% | 3.3 m/s | 4.8 |
| 2020 | 16.5°C | 13.3°C | 10.1°C | 21.6°C | 5.6°C | 116 mm | 85% | 3.8 m/s | 4.2 |
| 2019 | 15.7°C | 12.4°C | 9.1°C | 20.3°C | 5.6°C | 104 mm | 85% | 3.3 m/s | 4.8 |
| 2018 | 18.7°C | 14.8°C | 10.8°C | 25.4°C | 6.2°C | 47 mm | 80% | 2.6 m/s | 5.6 |
| 2017 | 16.6°C | 13.4°C | 10.3°C | 22.0°C | 7.1°C | 122 mm | 85% | 3.9 m/s | 4.6 |
| 2016 | 17.1°C | 13.8°C | 10.5°C | 21.4°C | 7.5°C | 107 mm | 86% | 2.7 m/s | 4.4 |
| 2015 | 15.6°C | 12.0°C | 8.3°C | 21.5°C | 4.1°C | 55 mm | 83% | 3.7 m/s | 5.2 |
| 2014 | 16.8°C | 13.4°C | 10.0°C | 21.3°C | 7.5°C | 74 mm | 85% | 2.9 m/s | 4.8 |
| 2013 | 16.5°C | 12.8°C | 9.1°C | 19.5°C | 4.7°C | 75 mm | 83% | 3 m/s | 4.8 |
| 2012 🌧️ | 14.9°C | 12.1°C | 9.2°C | 21.1°C | 5.5°C | 176 mm | 86% | 3.4 m/s | 3.7 |
| 2011 | 15.0°C | 11.6°C | 8.1°C | 21.9°C | 4.4°C | 98 mm | 85% | 3.1 m/s | 4.7 |
| 2010 | 17.5°C | 13.9°C | 10.3°C | 20.3°C | 7.2°C | 54 mm | 83% | 2.8 m/s | 5.3 |
| 2009 | 16.9°C | 13.3°C | 9.7°C | 22.7°C | 5.7°C | 55 mm | 82% | 3 m/s | 5.5 |
| 2008 | 15.8°C | 12.4°C | 9.0°C | 20.8°C | 6.2°C | 76 mm | 83% | 3.6 m/s | 4.8 |
| 2007 | 16.5°C | 13.4°C | 10.3°C | 22.5°C | 7.4°C | 151 mm | 87% | 3.4 m/s | 4.5 |
| 2006 | 17.6°C | 14.0°C | 10.5°C | 22.2°C | 7.4°C | 46 mm | 83% | 3 m/s | 5.2 |
| 2005 | 17.0°C | 13.8°C | 10.5°C | 21.7°C | 7.2°C | 78 mm | 86% | 3.2 m/s | 4.4 |
| 2004 | 16.7°C | 13.4°C | 10.1°C | 20.8°C | 6.6°C | 87 mm | 85% | 3.9 m/s | 4.6 |
| 2003 | 16.4°C | 13.2°C | 9.9°C | 18.6°C | 7.5°C | 87 mm | 85% | 3.7 m/s | 4.5 |
| 2002 | 15.1°C | 12.2°C | 9.3°C | 18.6°C | 5.9°C | 117 mm | 87% | 4.2 m/s | 4.2 |
| 2001 | 15.1°C | 11.9°C | 8.7°C | 19.3°C | 4.0°C | 74 mm | 84% | 3.5 m/s | 4.2 |
| 2000 | 15.8°C | 12.7°C | 9.6°C | 21.7°C | 5.7°C | 72 mm | 85% | 3.5 m/s | 4.4 |
| 1999 | 15.1°C | 11.7°C | 8.3°C | 19.8°C | 4.3°C | 78 mm | 84% | 3.2 m/s | 4.5 |
| 1998 | 15.4°C | 12.2°C | 9.0°C | 20.9°C | 3.4°C | 132 mm | 86% | 3.7 m/s | 4.4 |
| 1997 | 15.1°C | 12.0°C | 8.8°C | 17.3°C | 5.6°C | 105 mm | 84% | 4 m/s | 4.3 |
| 1996 | 15.9°C | 12.4°C | 8.8°C | 20.8°C | 5.4°C | 42 mm | 82% | 3.5 m/s | 5 |
| 1995 | 16.7°C | 13.0°C | 9.3°C | 25.0°C | 6.3°C | 40 mm | 82% | 3.4 m/s | 5.5 |
| 1994 | 15.2°C | 12.0°C | 8.8°C | 20.8°C | 5.0°C | 57 mm | 85% | 4 m/s | 4.4 |
| 1993 | 16.3°C | 13.1°C | 9.8°C | 20.2°C | 6.2°C | 88 mm | 86% | 3 m/s | 4.2 |
| 1992 | 17.6°C | 13.9°C | 10.2°C | 21.7°C | 7.4°C | 44 mm | 83% | 3.1 m/s | 4.8 |
| 1991 | 14.2°C | 11.0°C | 7.9°C | 17.2°C | 3.4°C | 85 mm | 84% | 3.7 m/s | 4.4 |
| 1990 | 15.4°C | 12.3°C | 9.1°C | 18.2°C | 6.7°C | 119 mm | 83% | 3.6 m/s | 4.6 |
| 1989 | 16.3°C | 12.7°C | 9.2°C | 23.6°C | 3.9°C | 82 mm | 81% | 3.3 m/s | 4.7 |
| 1988 | 17.4°C | 13.6°C | 9.9°C | 20.4°C | 6.1°C | 51 mm | 83% | 2.7 m/s | 5.5 |
| 1987 ❄️ | 14.2°C | 11.0°C | 7.8°C | 18.6°C | 3.6°C | 89 mm | 83% | 3 m/s | 4.3 |
| 1986 | 16.4°C | 12.8°C | 9.1°C | 23.5°C | 4.7°C | 58 mm | 84% | 3.6 m/s | 4.6 |
| 1985 | 14.7°C | 11.1°C | 7.5°C | 19.0°C | 3.8°C | 68 mm | 82% | 3.3 m/s | 4.7 |
| 1984 | 16.8°C | 13.1°C | 9.4°C | 21.8°C | 4.8°C | 56 mm | 82% | 3.4 m/s | 4.6 |
| 1983 | 15.8°C | 12.4°C | 9.0°C | 19.5°C | 6.4°C | 64 mm | 84% | 3.4 m/s | — |
| 1982 | 16.5°C | 13.3°C | 10.1°C | 22.9°C | 5.4°C | 100 mm | 85% | 3.2 m/s | — |
| 1981 | 14.9°C | 11.9°C | 8.9°C | 20.2°C | 5.8°C | 98 mm | 85% | 4.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 16.2°C with lows near 9.4°C (mean 12.8°C), based on 45 years of NASA POWER data.
June averages 82 mm of rainfall in Antrim, about average for rainfall. The wettest on record was 176 mm in 2012.
The hottest June reached 25.4°C in 2018. The coldest dipped to 3.4°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.3°C. Daytime highs moved from 15.7°C to 17.3°C and overnight lows from 9°C to 10°C over the same span.
June is one of the warmer months of the year in Antrim and about average for rainfall, so plan for around 16.2°C daytime highs and 9.4°C at night.
Not quite — June is the 10th coolest month in Antrim, averaging 12.8°C.
For June in Antrim, pack light layers you can adjust through the day, with typical highs of 16.2°C and lows of 9.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 84% — quite humid.
Average wind speed in June is 3.4 m/s. The windiest June on record averaged 4.2 m/s (2002).
The wettest June on record was 2012 with 176 mm. On average, June sees 82 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Antrim behaves each June, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for June specifically, along with year-by-year records and how the month has changed over the decades.
