Sarnia long range weather

This page presents a long range weather forecast for Sarnia in December as well as other months. You can quickly get a brief overview of the weather to expect in December on a daily basis.

The Sarnia extended forecast data provided is based on the average values of previous years.

See weather calendar ››

Select a month and click on a day for more information:

°C °F

Weather in November
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Weather in January >>

Sarnia 30 days weather forecast

Check out our estimated 30 days weather forecast for Sarnia, this data is based on the average weather in Sarnia in the last few years.

For a more accurate and detailed forecast, check out the 14 day weather for Sarnia next to the desired date.

Sun	Mon	Tue	Wed	Thu	Fri	Sat
1 3° /0°	2 6° /1°	3 7° /0°	4 3° /-2°	5 3° /-1°	6 4° /0°	7 7° /3°
8 7° /3°	9 9° /4°	10 6° /1°	11 3° /1°	12 4° /-1°	13 3° /-2°	14 4° /-2°
15 7° /1°	16 5° /2°	17 3° /2°	18 4° /-3°	19 0° /-4°	20 2° /-2°	21 2° /-1°
22 4° /-1°	23 5° /-1°	24 0° /-3°	25 3° /-2°	26 2° /-1°	27 3° /-2°	28 6° /2°
29 6° /3°	30 6° /3°	31 5° /2°

Sarnia long range weather forecast - FAQ

Do you provide 30 days weather forecast for Sarnia?

You can see the next 30 weather forecast for Sarnia at the top of the page, the next 14 days (from today) are more accurate, while the other is based on average of previous years.

Can I see the weather forecast for a particular date in Sarnia?

Sure, you can select the date from the calendar above to view the forecast in Sarnia on that date.

How accurate is the long-range weather forecast for Sarnia?

Our long-range weather forecast for Sarnia is provided by using statistics from previous years. Although we cannot predict the weather months in advance, we can see an average.

Can I see a long-range weather forecast for different countries?

Yes, we provide a 14 day weather forecast and a long-range weather forecast for different countries and cities. You can search for a location in the search box at the top of the page.