January is one of the cooler months of the year in Newry, with average highs near 7°C and lows around 3.5°C (mean 5.3°C). It is about average for rainfall, averaging 92 mm of rainfall and 92% relative humidity across the period.
January is one of the cooler months of the year in Newry. Across 45 years of records, the warmest Januarys in Newry were 1989, 2002 and 2005 — when the month averaged 6.8°C — while the coldest was 1985 at 2.5°C. Typical January days reach 7°C with nights near 3.5°C. The long-term trend is warming, about 0.2°C per decade.
January is about average for rainfall in Newry, averaging 92 mm of rainfall. The wettest January on record was 2008 with 154 mm, while the driest was 1997 at 30 mm.
Relative humidity in Newry during January averages 92%. The most humid January was 2020 at 93%, and the least humid was 1985 at 89%.
January receives about 0.6 kWh/m²/day of solar energy in Newry. The sunniest January was 1985 at 0.9 kWh/m²/day, and the cloudiest were 1995, 2008 and 2013, among others at 0.5.
Average wind speed in Newry during January is 5.4 m/s. The windiest Januarys were 1983 and 1993 at 7 m/s, while the calmest was 1997 at 3.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.6°C | 5.3°C | 5.8°C | 5.0°C | 5.4°C | +0.8°C |
| Avg High | 6.3°C | 7.1°C | 7.6°C | 6.7°C | 7.1°C | +0.8°C |
| Avg Low | 2.9°C | 3.5°C | 4.1°C | 3.4°C | 3.7°C | +0.8°C |
| Avg Rain | 90 mm | 98 mm | 89 mm | 93 mm | 86 mm | -4 mm |
January temperatures in Newry have risen by about 0.9°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -3.2°C (1987) to a record high of 12.9°C (2015).
Rainfall in January is about average for rainfall, averaging 92 mm, with a wettest year of 154 mm.
A quieter season to visit Newry
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Newry. That said, January — with days averaging 7°C and nights around 3.5°C (mean 5.3°C) and higher rainfall (92 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 6.8°C | 5.3°C | 3.7°C | 11.2°C | 0.5°C | 91 mm | 92% | 4.6 m/s | 0.7 |
| 2024 | 7.1°C | 5.3°C | 3.6°C | 12.4°C | -0.3°C | 79 mm | 92% | 5.3 m/s | 0.7 |
| 2023 | 7.6°C | 5.9°C | 4.3°C | 11.7°C | -0.2°C | 83 mm | 92% | 5.4 m/s | 0.7 |
| 2022 | 7.6°C | 5.7°C | 3.7°C | 12.1°C | 1.1°C | 40 mm | 93% | 4.7 m/s | 0.6 |
| 2021 | 5.7°C | 4.3°C | 2.8°C | 9.8°C | 0.1°C | 146 mm | 92% | 4.4 m/s | 0.7 |
| 2020 | 7.7°C | 5.9°C | 4.2°C | 12.4°C | 0.7°C | 75 mm | 93% | 5.5 m/s | 0.6 |
| 2019 | 7.0°C | 5.3°C | 3.7°C | 10.1°C | -0.4°C | 46 mm | 92% | 4.3 m/s | 0.6 |
| 2018 | 7.0°C | 5.4°C | 3.8°C | 11.7°C | 1.5°C | 148 mm | 93% | 5.9 m/s | 0.6 |
| 2017 | 7.4°C | 5.8°C | 4.2°C | 10.1°C | 1.4°C | 48 mm | 91% | 4.6 m/s | 0.6 |
| 2016 | 7.7°C | 5.8°C | 3.9°C | 12.0°C | 1.0°C | 150 mm | 92% | 5.5 m/s | 0.6 |
| 2015 | 6.7°C | 4.8°C | 2.9°C | 12.9°C | -0.2°C | 98 mm | 91% | 6.4 m/s | 0.6 |
| 2014 | 7.1°C | 5.4°C | 3.8°C | 10.2°C | 1.3°C | 113 mm | 93% | 5.4 m/s | 0.6 |
| 2013 | 6.6°C | 5.0°C | 3.3°C | 11.4°C | -0.7°C | 120 mm | 92% | 5 m/s | 0.5 |
| 2012 | 7.8°C | 5.9°C | 4.1°C | 11.5°C | 1.9°C | 80 mm | 91% | 5.8 m/s | 0.6 |
| 2011 | 5.3°C | 3.7°C | 2.2°C | 11.0°C | -0.5°C | 56 mm | 92% | 4.1 m/s | 0.7 |
| 2010 | 4.7°C | 3.2°C | 1.6°C | 9.4°C | -2.5°C | 66 mm | 91% | 4.6 m/s | 0.7 |
| 2009 | 6.3°C | 4.7°C | 3.0°C | 10.5°C | -0.5°C | 109 mm | 92% | 5.3 m/s | 0.6 |
| 2008 🌧️ | 8.1°C | 6.2°C | 4.3°C | 12.5°C | 0.0°C | 154 mm | 92% | 5.8 m/s | 0.5 |
| 2007 | 8.5°C | 6.7°C | 4.8°C | 12.1°C | 1.6°C | 88 mm | 92% | 6.5 m/s | 0.6 |
| 2006 | 7.8°C | 6.0°C | 4.3°C | 11.5°C | 1.4°C | 45 mm | 90% | 4.4 m/s | 0.6 |
| 2005 | 8.8°C | 6.8°C | 4.8°C | 12.3°C | 0.3°C | 78 mm | 92% | 6.7 m/s | 0.6 |
| 2004 | 7.6°C | 5.9°C | 4.2°C | 10.7°C | -0.5°C | 119 mm | 93% | 5.3 m/s | 0.6 |
| 2003 | 7.2°C | 5.5°C | 3.8°C | 12.0°C | 0.5°C | 83 mm | 90% | 5.7 m/s | 0.6 |
| 2002 | 8.7°C | 6.8°C | 4.8°C | 11.7°C | -0.2°C | 103 mm | 92% | 5.6 m/s | 0.6 |
| 2001 | 5.7°C | 4.3°C | 2.9°C | 9.4°C | 0.7°C | 59 mm | 91% | 4.5 m/s | 0.7 |
| 2000 | 7.2°C | 5.5°C | 3.8°C | 10.7°C | 0.7°C | 55 mm | 93% | 5.3 m/s | 0.7 |
| 1999 | 7.5°C | 5.6°C | 3.8°C | 11.5°C | 0.4°C | 116 mm | 93% | 5.7 m/s | 0.6 |
| 1998 | 7.4°C | 5.7°C | 4.1°C | 12.2°C | 0.0°C | 131 mm | 91% | 5.2 m/s | 0.6 |
| 1997 | 6.1°C | 4.6°C | 3.1°C | 10.9°C | -0.2°C | 30 mm | 91% | 3.6 m/s | 0.6 |
| 1996 | 7.3°C | 6.2°C | 5.1°C | 10.4°C | 0.0°C | 136 mm | 91% | 6.1 m/s | 0.6 |
| 1995 | 6.9°C | 5.0°C | 3.0°C | 11.3°C | 0.5°C | 118 mm | 92% | 6.1 m/s | 0.5 |
| 1994 | 6.8°C | 4.9°C | 3.0°C | 9.5°C | 0.3°C | 109 mm | 92% | 5.9 m/s | 0.6 |
| 1993 | 8.3°C | 5.8°C | 3.3°C | 12.0°C | 0.1°C | 104 mm | 90% | 7 m/s | 0.5 |
| 1992 | 6.8°C | 5.1°C | 3.4°C | 11.2°C | -0.2°C | 55 mm | 92% | 4.1 m/s | 0.6 |
| 1991 | 5.5°C | 3.8°C | 2.1°C | 11.6°C | 0.0°C | 90 mm | 91% | 5.4 m/s | 0.6 |
| 1990 | 8.4°C | 6.4°C | 4.5°C | 12.2°C | 1.1°C | 96 mm | 92% | 6.4 m/s | 0.6 |
| 1989 🔥 | 8.6°C | 6.8°C | 4.9°C | 11.7°C | 0.9°C | 69 mm | 92% | 6 m/s | 0.6 |
| 1988 | 6.7°C | 5.1°C | 3.5°C | 11.2°C | 0.9°C | 143 mm | 93% | 5.7 m/s | 0.6 |
| 1987 | 4.9°C | 3.5°C | 2.0°C | 9.6°C | -3.2°C | 48 mm | 89% | 4.3 m/s | 0.6 |
| 1986 | 5.8°C | 4.0°C | 2.2°C | 11.0°C | -0.8°C | 118 mm | 91% | 6.1 m/s | 0.5 |
| 1985 ❄️ | 4.1°C | 2.5°C | 1.0°C | 9.3°C | -1.5°C | 61 mm | 89% | 4 m/s | 0.9 |
| 1984 | 5.6°C | 3.6°C | 1.7°C | 11.2°C | -1.1°C | 139 mm | 91% | 6.6 m/s | 0.5 |
| 1983 | 7.9°C | 5.9°C | 3.9°C | 11.8°C | 0.1°C | 84 mm | 92% | 7 m/s | — |
| 1982 | 5.9°C | 4.4°C | 2.9°C | 11.0°C | -3.0°C | 91 mm | 91% | 5.3 m/s | — |
| 1981 | 7.5°C | 5.6°C | 3.8°C | 11.2°C | -0.6°C | 56 mm | 92% | 5.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 7°C with lows near 3.5°C (mean 5.3°C), based on 45 years of NASA POWER data.
January averages 92 mm of rainfall in Newry, about average for rainfall. The wettest on record was 154 mm in 2008.
The hottest January reached 12.9°C in 2015. The coldest dipped to -3.2°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.9°C. Daytime highs moved from 6.2°C to 7°C and overnight lows from 2.7°C to 3.6°C over the same span.
January is one of the cooler months of the year in Newry and about average for rainfall, so plan for around 7°C daytime highs and 3.5°C at night.
Yes — January is the coldest month of the year in Newry, averaging 5.3°C.
For January in Newry, pack warm layers and a jacket for chilly mornings, with typical highs of 7°C and lows of 3.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 92% — quite humid.
Average wind speed in January is 5.4 m/s. The windiest January on record averaged 7 m/s (1983).
The wettest January on record was 2008 with 154 mm. On average, January sees 92 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 Newry behaves each January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
