Hamilton, Ontario weather in January
Temperature, rain and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: June – September
What is the weather like in Hamilton, Ontario in January?
In January, Hamilton, Ontario is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 11 days, totalling 70 mm. Snow falls on about 6 days. All in all, January is not an ideal month for a holiday in Hamilton, Ontario.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 14 | 15 | 24 |
| Day | 3° | 0° | 0° |
| Night | −2° | −6° | −7° |
| Sun | 3 h | 3 h | 4 h |
| Rain days | 11 | 11 | 9 |
More details for January
- Daylight
- 9 h 19 min07:49 – 17:07
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 78 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 6 days1 cm or more of fresh snowAll months
- Time zone
- UTC−5America/Toronto
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %2 %
- Few rainy daysweight 30 %50 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Hamilton, Ontario in January: quick answers
Is Hamilton, Ontario hot in January?
No. In January, Hamilton, Ontario is freezing cold: daytime highs average 0 °C and nights drop to about −6 °C.
Does it rain much in Hamilton, Ontario in January?
Rain is frequent, with about 11 rainy days and 70 mm in total.
Hamilton, Ontario month by month
The whole year in Hamilton, OntarioAll destinations: CanadaWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences