Ottawa Weather in December
Canada · December climate averages and travel tips
Avg high-3°C (27°F)
Avg low-11°C (13°F)
Rainfall81 mm (3.2 in)
RatingPoor 0/10
In December, Ottawa has average highs of -3°C (27°F) and lows of -11°C (13°F). December is winter in Canada. The month is moderately rainy, with about 81 mm (3.2 in) of rain spread over 14 days. You get roughly 8.5 hours of daylight and frequently cloudy skies.
Is December a good time to visit Ottawa?
December is not the best time to visit Ottawa (0/10) mainly because of the cold. The weather is much better in May and September.
December weather at a glance
| Average high | -3°C (27°F) |
|---|---|
| Average low | -11°C (13°F) |
| Daily mean | -6°C (20°F) |
| Rainfall | 81 mm (3.2 in) |
| Rainy days (1 mm+) | 14 |
| Humidity | 91% |
| Cloud cover | 77% |
| Daylight | 8.5 hours |
| Est. sunshine | 2.2 hours/day |
| Wind | 2.5 km/h |
| vs November | 8°C cooler than November, with 16 mm more rain. |
What to pack for Ottawa in December
- a heavy winter coat, gloves and a hat
- an umbrella or rain jacket
- waterproof boots for snow and ice
Ottawa weather in other months
Jan-6°C / -16°C64 mmPoorFeb-5°C / -15°C55 mmPoorMar2°C / -9°C61 mmPoorApr11°C / 0°C89 mmFairMay19°C / 7°C78 mmExcellentJun23°C / 12°C102 mmGoodJul26°C / 15°C103 mmFairAug25°C / 15°C94 mmGoodSep22°C / 10°C81 mmExcellentOct14°C / 4°C93 mmFairNov5°C / -3°C65 mmPoorDec-3°C / -11°C81 mmPoor
← NovemberBest time to visit OttawaJanuary →
Better weather in December nearby
- Mexico City22°C · 7 mm · Excellent
- Orlando, Florida23°C · 51 mm · Excellent
- Cabo San Lucas26°C · 12 mm · Excellent
- Iztapalapa22°C · 13 mm · Excellent
- Puebla23°C · 12 mm · Excellent
- Ecatepec de Morelos22°C · 13 mm · Excellent
Nearby in December
- Montreal-3°C · 98 mm
- Toronto3°C · 62 mm
- Quebec-4°C · 98 mm
- Boston, Massachusetts4°C · 121 mm
- The Bronx, New York5°C · 121 mm
- Manhattan, New York5°C · 121 mm
Where else is good in December? See where to go in December.