Ottawa Veður Spá
Ottawa weather: 16°C, að mestu heiðskýrt. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Loftslag in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | -5° | -13° | 61 mm | ★★☆☆☆ |
| febrúar | -3° | -13° | 49 mm | ★★☆☆☆ |
| mars | 5° | -6° | 79 mm | ★★☆☆☆ |
| apríl | 11° | 1° | 128 mm | ★★★☆☆ |
| maí | 19° | 9° | 87 mm | ★★★★☆ |
| júní | 24° | 15° | 136 mm | ★★★★☆ |
| júlí | 27° | 18° | 113 mm | ★★★★☆ |
| ágúst | 25° | 16° | 104 mm | ★★★★☆ |
| september | 22° | 13° | 39 mm | ★★★★☆ |
| október | 15° | 7° | 74 mm | ★★★★☆ |
| nóvember | 5° | -1° | 60 mm | ★★★☆☆ |
| desember | -2° | -9° | 90 mm | ★★☆☆☆ |
Loftslag type: Subarctic. Heimild: Open-Meteo archive (ERA5).
Best time til visit Ottawa
Go in september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Ottawa
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Ottawa compares með nearby places
Annual averages, and the difference against Ottawa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| mán.t-Tremblant National Park | 144 km | 4°C | 3°C cooler | 1268 mm |
| mán.treal-Trudeau International Airport | 153 km | 8°C | +1°C warmer | 1074 mm |
| mán.treal | 166 km | 8°C | +1°C warmer | 1065 mm |
| Algonquin Provincial Park | 214 km | 6°C | 2°C cooler | 893 mm |
| Burlington | 222 km | 9°C | +2°C warmer | 1139 mm |
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 19°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Sjá spá fyrir Ottawa eftir tímabili
Ottawa weather - more answers
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is Ottawa?
Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in Norður-Ameríka.
What is the weather like in Ottawa núna?
It is currently 16°C (61°F) með að mestu heiðskýrt. Raki is 81% and wind is 2 km/h.
When is the best time til visit Ottawa?
september offer the most comfortable conditions in Ottawa, which has a subarctic climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is Ottawa in?
Ottawa observes America/Toronto (UTC-04:00). The local time is 2:34 AM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport til Ottawa?
The closest airports are mán.treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things til do in Ottawa?
Popular options include mán.t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park, Watkins Glen State Park, CN Tower and Letchworth State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated september 16, 2026 at 2:34 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
