January is one of the cooler months of the year in Morrisville, with average highs near 3.3°C and lows around -5.4°C (mean -1.1°C). It is one of the drier months, averaging 84 mm of rainfall and 84% relative humidity across the period.
January is one of the cooler months of the year in Morrisville. Across 45 years of records, the warmest January in Morrisville was 2023 — when the month averaged 4.2°C — while the coldest was 1994 at -6.8°C. Typical January days reach 3.3°C with nights near -5.4°C. The long-term trend is warming, about 0.6°C per decade.
January is one of the drier months in Morrisville, averaging 84 mm of rainfall. The wettest January on record was 1999 with 177 mm, while the driest was 1981 at 13 mm.
Relative humidity in Morrisville during January averages 84%. The most humid January was 1994 at 92%, and the least humid was 2025 at 76%.
January receives about 1.9 kWh/m²/day of solar energy in Morrisville. The sunniest January was 2016 at 2.2 kWh/m²/day, and the cloudiest was 2017 at 1.5.
Average wind speed in Morrisville during January is 2.3 m/s. The windiest Januarys were 1997 and 2000 at 2.7 m/s, while the calmest were 1984 and 2001 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -3.1°C | -0.2°C | -0.9°C | -1.3°C | 0.6°C | +3.7°C |
| Avg High | 1.4°C | 4.1°C | 3.4°C | 3.0°C | 4.8°C | +3.4°C |
| Avg Low | -7.5°C | -4.6°C | -5.2°C | -5.5°C | -3.6°C | +3.9°C |
| Avg Rain | 73 mm | 107 mm | 75 mm | 81 mm | 79 mm | +6 mm |
January temperatures in Morrisville have risen by about 4.4°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -26.7°C (1994) to a record high of 20.1°C (2007).
Rainfall in January is one of the drier months, averaging 84 mm, with a wettest year of 177 mm.
A quieter season to visit Morrisville
If your dates are flexible, the more temperate months of June and August tend to be the most comfortable for visiting Morrisville. That said, January — with days averaging 3.3°C and nights around -5.4°C (mean -1.1°C) and higher rainfall (84 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 | 2.1°C | -2.0°C | -6.1°C | 9.6°C | -13.9°C | 25 mm | 76% | 2.6 m/s | 2.1 |
| 2024 | 5.1°C | 0.8°C | -3.6°C | 16.5°C | -11.5°C | 163 mm | 87% | 2.2 m/s | 1.6 |
| 2023 🔥 | 8.5°C | 4.2°C | -0.2°C | 15.4°C | -4.7°C | 84 mm | 87% | 2.1 m/s | 1.6 |
| 2022 | 2.4°C | -2.1°C | -6.6°C | 14.3°C | -16.4°C | 80 mm | 79% | 2.4 m/s | 2 |
| 2021 | 4.1°C | 0.4°C | -3.3°C | 9.0°C | -9.7°C | 50 mm | 85% | 2.1 m/s | 2 |
| 2020 | 6.7°C | 2.4°C | -2.0°C | 17.7°C | -9.3°C | 74 mm | 82% | 2.2 m/s | 2 |
| 2019 | 3.1°C | -1.2°C | -5.4°C | 14.6°C | -17.0°C | 102 mm | 85% | 2.4 m/s | 1.9 |
| 2018 | 3.3°C | -1.7°C | -6.6°C | 15.7°C | -19.3°C | 64 mm | 81% | 2.4 m/s | 2 |
| 2017 | 5.6°C | 1.8°C | -2.0°C | 16.8°C | -12.3°C | 83 mm | 84% | 2.3 m/s | 1.5 |
| 2016 | 3.1°C | -1.4°C | -5.8°C | 17.2°C | -14.2°C | 80 mm | 81% | 2.3 m/s | 2.2 |
| 2015 | 1.2°C | -2.9°C | -7.0°C | 13.7°C | -14.2°C | 103 mm | 83% | 2.4 m/s | 1.8 |
| 2014 | 0.7°C | -3.9°C | -8.6°C | 13.7°C | -16.8°C | 83 mm | 84% | 2.3 m/s | 1.9 |
| 2013 | 4.5°C | 0.5°C | -3.4°C | 18.1°C | -13.0°C | 78 mm | 85% | 2.1 m/s | 1.9 |
| 2012 | 5.7°C | 1.2°C | -3.2°C | 16.6°C | -10.9°C | 68 mm | 85% | 2.3 m/s | 2.1 |
| 2011 | 0.5°C | -3.6°C | -7.8°C | 8.8°C | -16.6°C | 83 mm | 87% | 2 m/s | 1.9 |
| 2010 | 2.7°C | -1.4°C | -5.5°C | 14.7°C | -12.4°C | 63 mm | 85% | 2.4 m/s | 2 |
| 2009 | 0.5°C | -3.5°C | -7.4°C | 7.0°C | -15.8°C | 73 mm | 83% | 2 m/s | 2 |
| 2008 | 4.9°C | 0.6°C | -3.7°C | 16.3°C | -12.1°C | 51 mm | 82% | 2.2 m/s | 2.1 |
| 2007 | 6.5°C | 2.3°C | -2.0°C | 20.1°C | -13.1°C | 90 mm | 84% | 2.2 m/s | 1.8 |
| 2006 | 7.9°C | 3.2°C | -1.6°C | 16.2°C | -8.4°C | 121 mm | 87% | 2.5 m/s | 1.8 |
| 2005 | 2.6°C | -1.9°C | -6.3°C | 18.6°C | -20.3°C | 100 mm | 88% | 2.2 m/s | 1.6 |
| 2004 | -0.8°C | -4.8°C | -8.9°C | 13.1°C | -17.1°C | 44 mm | 83% | 2.6 m/s | 2 |
| 2003 | 0.3°C | -3.5°C | -7.3°C | 9.6°C | -14.7°C | 56 mm | 82% | 2.5 m/s | 1.9 |
| 2002 | 6.9°C | 2.3°C | -2.3°C | 20.0°C | -10.4°C | 60 mm | 82% | 2.1 m/s | 1.9 |
| 2001 | 3.0°C | -1.4°C | -5.9°C | 10.6°C | -13.0°C | 77 mm | 89% | 1.8 m/s | 2 |
| 2000 | 2.6°C | -1.9°C | -6.5°C | 17.9°C | -17.8°C | 79 mm | 82% | 2.7 m/s | 2 |
| 1999 🌧️ | 5.4°C | 0.4°C | -4.6°C | 17.6°C | -11.9°C | 177 mm | 83% | 2.4 m/s | 1.8 |
| 1998 | 7.7°C | 3.4°C | -0.9°C | 17.7°C | -8.6°C | 112 mm | 87% | 2.2 m/s | 1.7 |
| 1997 | 2.9°C | -1.4°C | -5.6°C | 14.9°C | -17.0°C | 82 mm | 84% | 2.7 m/s | 1.8 |
| 1996 | 1.0°C | -3.5°C | -7.9°C | 13.7°C | -20.5°C | 142 mm | 90% | 2.5 m/s | 1.6 |
| 1995 | 5.6°C | 1.8°C | -2.1°C | 17.7°C | -10.4°C | 82 mm | 83% | 2.4 m/s | 2 |
| 1994 ❄️ | -1.6°C | -6.8°C | -11.9°C | 10.1°C | -26.7°C | 139 mm | 92% | 2.3 m/s | 1.8 |
| 1993 | 5.1°C | 1.3°C | -2.6°C | 15.2°C | -6.2°C | 63 mm | 84% | 2.2 m/s | 1.7 |
| 1992 | 5.0°C | 0.4°C | -4.2°C | 17.4°C | -12.8°C | 52 mm | 82% | 2.4 m/s | 2 |
| 1991 | 3.7°C | -0.4°C | -4.6°C | 11.6°C | -12.1°C | 116 mm | 84% | 2.1 m/s | 2.1 |
| 1990 | 6.6°C | 2.4°C | -1.8°C | 15.4°C | -5.1°C | 106 mm | 88% | 2.1 m/s | 1.8 |
| 1989 | 5.1°C | 0.8°C | -3.5°C | 11.2°C | -13.4°C | 58 mm | 82% | 2.1 m/s | 1.9 |
| 1988 | 0.8°C | -3.6°C | -7.9°C | 10.6°C | -15.4°C | 75 mm | 85% | 2 m/s | 1.9 |
| 1987 | 1.0°C | -3.2°C | -7.4°C | 12.4°C | -25.2°C | 136 mm | 92% | 2.3 m/s | 1.8 |
| 1986 | 3.3°C | -1.2°C | -5.8°C | 12.7°C | -14.4°C | 105 mm | 83% | 2.3 m/s | 2 |
| 1985 | 0.2°C | -4.1°C | -8.3°C | 15.9°C | -20.0°C | 39 mm | 82% | 2.4 m/s | 2.1 |
| 1984 | -0.3°C | -5.1°C | -9.8°C | 8.6°C | -24.3°C | 51 mm | 91% | 1.8 m/s | 1.7 |
| 1983 | 4.0°C | -0.2°C | -4.3°C | 12.7°C | -13.3°C | 78 mm | 83% | 2.2 m/s | — |
| 1982 | -1.4°C | -5.9°C | -10.3°C | 14.0°C | -20.2°C | 106 mm | 85% | 2.6 m/s | — |
| 1981 | -0.5°C | -5.2°C | -9.8°C | 8.1°C | -19.0°C | 13 mm | 81% | 2 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 3.3°C with lows near -5.4°C (mean -1.1°C), based on 45 years of NASA POWER data.
January averages 84 mm of rainfall in Morrisville, one of the drier months. The wettest on record was 177 mm in 1999.
The hottest January reached 20.1°C in 2007. The coldest dipped to -26.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 4.4°C. Daytime highs moved from 0.4°C to 4.4°C and overnight lows from -8.5°C to -4°C over the same span.
January is one of the cooler months of the year in Morrisville and one of the drier months, so plan for around 3.3°C daytime highs and -5.4°C at night.
Yes — January is the coldest month of the year in Morrisville, averaging -1.1°C.
For January in Morrisville, pack warm layers and a jacket for chilly mornings, with typical highs of 3.3°C and lows of -5.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 84% — quite humid.
Average wind speed in January is 2.3 m/s. The windiest January on record averaged 2.7 m/s (1997).
The wettest January on record was 1999 with 177 mm. On average, January sees 84 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 Morrisville 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.
