Sarnia
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Sarnia Weather in January

January in Sarnia sees daytime temperatures around 0°C (32°F) and lows of -7°C (19°F) at night. With around 73 mm (2.9 in) of snow/rainfall expected, it's worth packing a rain jacket.

Rainfall in Sarnia in January

You can expect snow/rain on around 12 days based on historical patterns, with 73 mm (2.9 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Sarnia in January

In January, expect very low temperatures in Sarnia, with highs of 0°C (32°F) and lows of -7°C (19°F) at night. During January, the winter season is in full swing. Staying warm is the main priority this month, especially during mornings and evenings. At -7°C (19°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Sarnia. Our weather planner can help you explore destinations with more pleasant weather conditions.

Sarnia Temperature in January

Min Temperature
-7°C (19°F)
Max Temperature
0°C (32°F)
Chance of Rain
39%
Precipitation
73 mm (2.9 in)
Rainy days
12 days

Sarnia Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sarnia - and find the best time to visit.

Best Places in Canada in January

Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Sarnia in January

We recommend to layer up for chilly conditions in Sarnia in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket.

What To Do in Sarnia in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    2/10
  • Walking
    2/10
  • Barbeque
    1/10
  • Camping
    1/10
  • Outdoor sports
    2/10

Sarnia 3-Day Forecast

More climate data for Sarnia

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.