Rideau Lakes Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Rideau Lakes, Canada in December.

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Delta

Thinking about venturing to Rideau Lakes, Canada this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Rideau Lakes in December

Rideau Lakes, Canada is a region in Canada. December in Rideau Lakes generally has very cold temperatures, with moderate precipitation. During December, winter is in full swing.

Temperatures

You can expect very cold maximum daytime temperatures of around 2°C (36°F) and nighttime temperatures around -6°C (21°F) in Delta. In many areas in Canada, December brings with it chilling temperatures. When visiting these parts during this time, it's of utmost importance to be ready. Choose clothing that is both layered and insulating to combat the cold effectively.

To learn more about the conditions in specific areas of Rideau Lakes, Canada, check out the map below.

Precipitation

December is a moderate rainy month with an average snow/rainfall of around 85 mm (3.3 in) in Delta.

Average sunshine

Sunshine tends to be more scarce in many locations. Delta gets roughly 75 hours of sunlight. For sunnier alternatives, check our weather planner to find destinations with better conditions.

Explore Rideau Lakes by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Rideau Lakes in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rideau Lakes.

Conditions Temperatures Precipitation
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).

Popular Destinations in Rideau Lakes

What is the weather like in December for the most popular destinonation in Rideau Lakes, Canada?

Delta

In December Delta generally has very low temperatures with maximum daytime temperatures around 2°C (36°F), minimum nighttime temperatures around -6°C (21°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
8°C (46°F)
2°C (36°F)
-2°C (28°F)
Min temperature
0°C (32°F)
-6°C (21°F)
-12°C (10°F)
Monthly sun hours
91 hours
75 hours
93 hours
Monthly snow/rainfall
87 mm (3.4 in)
85 mm (3.3 in)
78 mm (3.1 in)
Monthly rainy days
12 days
13 days
13 days
Weather conditions
poor
poor
poor
Climate in Delta →

Is your destination not in the list? Have a look at all destinations in Rideau Lakes, in Canada.

In our records: Canada December extremes

Notable December records observed across cities in Canada in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest December night in Canada dropped to -51°C (-60°F) in Mayo on December 22, 2022.
  • In our records, the coldest December daytime high in Canada was -49°C (-56°F) in Mayo on December 20, 2022.

Rideau Lakes weather in December: frequently asked questions

What is the weather like in Rideau Lakes, Canada in December?

In December, Rideau Lakes, Canada generally has poor weather conditions. Delta sees daytime temperatures near 2°C (36°F), with nights cooling to roughly -6°C (21°F).

What is the average temperature in Rideau Lakes, Canada in December?

In Delta, the average daytime high in December is 2°C (36°F), while nighttime temperatures drop to around -6°C (21°F).

Does Rideau Lakes, Canada get a lot of snow/rain in December?

December is on the drier side in Rideau Lakes, Canada. Delta averages only about 85 mm (3.3 in), with most days staying dry.

Is December a Good Time to Visit Rideau Lakes, Canada?

Given the typically poor weather conditions in Delta, December may not be the ideal time to visit Rideau Lakes, Canada.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Delta. On the other hand, the weather in January, February, March, April, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Rideau Lakes.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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