Ontario, Canada
Ottawa
Ottawa is a capital city in Ontario, Canada. It has a population of about 1,017,449 (2021). The climate is classified as warm-summer humid continental (Köppen Dfb), with warm summers, cold winters and precipitation in every season.
Now12°C
Best timeMay–Jun · Sep
Population1.02M
Local time13:45
45.41° N, 75.70° WElevation 71 mUTC−4 · Eastern Daylight Time
Postal codesK1A, K1R …October: high / low13° / 4°
Rain this month88mm
Best timeMay–Jun · Sep
Best: May–Jun · Sep. Warmth, sunshine and dry days, month by month.
Ottawa at a glance
Sunrise · sunset07:29 · 18:0710 h 38 min of daylightThe moon tonightWaxing gibbous86% · Moonrise 16:22Northern lights tonightUnlikely tonightKp needed: 3.8Next holiday25 DecemberChristmas DayNext eclipse20 Feb 2027Penumbral lunar eclipse
Best time to visitMay–Jun · Sep
The months with the highest weather score
Warmest month27°C
Average high in July
Coolest month-14°C
Average low in January
Wettest monthJuly
89 mm of rain
Driest monthFebruary
58 mm of rain
Monuments nearby10+
1 of them World Heritage
How Ottawa has grown
People living in the built-up area (208 km² today), every five years since 1975; 2030 is the projection.
+81%333k in 1975 → 605k in 2025Weather in Ottawa
Now and the next ten days. The 14 and 30-day outlooks are one click away.
12°C
Today hour by hourCloudy · wind 17 km/h · humidity 69%
Today22 Oct13°3°
Fri23 Oct11°0°
Sat24 Oct12°0°
Sun25 Oct14°1°
Mon26 Oct13°3°0.9 mm
Tue27 Oct7°-1°
Wed28 Oct7°0°
Thu29 Oct16°0°0.5 mm
Fri30 Oct9°3°4.4 mm
Sat31 Oct11°1°
When to go to Ottawa
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 26 | 25 | 24 | 30 | 71 | 65 | 59 | 64 | 77 | 42 | 20 | 15 |
| High | -5° | -3° | 3° | 11° | 20° | 24° | 27° | 26° | 21° | 13° | 6° | -1° |
| Low | -14° | -13° | -7° | 1° | 8° | 13° | 16° | 15° | 10° | 4° | -2° | -9° |
| Rain (mm) | 68 | 58 | 62 | 73 | 85 | 93 | 89 | 89 | 94 | 88 | 83 | 77 |
| Wet days | 10 | 11 | 12 | 12 | 11 | 14 | 16 | 14 | 9 | 12 | 12 | 15 |
What's on in Ottawa
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Music venues
Barrymore’s323 Bank St Ottawa ON K2P 1X9 · 0.4 km
8 showsBabylon317 Bank St, Ottawa, ON K2P 1X7 · 0.4 km
8 showsBronson Centre211 Bronson Ave, Ottawa, ON K1R 6H5 · 0.7 km
6 showsOttawa's festivals through the year
Monuments and museums in Ottawa
1.5 km
Centre BlockBuilt 19271.4 km
Office of the Prime Minister and Privy CouncilBuilt 1889
1.6 km
Château LaurierBuilt 19122.1 km
Notre-Dame Cathedral BasilicaBuilt 1846
1.5 km
Senate of Canada BuildingBuilt 1912
UNESCO1.7 km
Rideau Canal
Museum2 km
National Gallery of CanadaBuilt 1880
Museum2.2 km
Canadian Museum of HistoryBuilt 1856More museums: Parliament: The Immersive Experience
Outdoors around Ottawa
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Fisher Park, Water ParkWater parks
1.1 kmNordik Spa-NatureHot springs & thermal baths
1.6 kmCanada Agriculture and Food MuseumZoos
1.8 kmBloc 9.81Climbing
1.8 kmChaudière FallsViewpoints
2 kmRoyal Ottawa Golf ClubGolf courses
2.8 kmCamp FortuneSki area · 15 km of pistes · 9 lifts
16 kmMont Cascades SkiSki area · 9 km of pistes · 6 lifts
23 kmSommet EdelweissSki area · 9 km of pistes · 6 lifts
28 kmCentre VorlageSki area · 8 km of pistes · 5 lifts
32 kmSharky's Scuba Supply OttawaDive site
2.9 kmEPSODive site
6.7 kmDivers WearhouseDive site
9 kmNature around Ottawa
Wildlife in October
The birds and mammals of Canada seen most this month, compared with the rest of their year.
The sky over Ottawa
Earthquakes around Ottawa
The last 30 days within 300 km, and the record since 1950.
Last 30 days0magnitude 2.5+ within 300 kmSince 19502magnitude 5+ within 150 kmSignificant earthquakes on record3within 300 km
Strongest nearby since 1950
5.3Val-des-Bois 10 km →2010 · 55 km
5.1Campbell's Bay 19 km →2013 · 64 km
Tropical storms · Ottawa
Fossil sites near this town
Fossil sites: 6 · 1 km
Ordovician · 6
Formations around the town
Trilobites · 1Dolichoharpes
Universities and research institutes
University of OttawaUniversity or college · founded 1848
Dominican University CollegeUniversity or college · founded 1900
Association of Universities and Colleges of CanadaUniversity or college · founded 1911
Agricultural Institute of CanadaUniversity or college · founded 1920
Royal College of Physicians and Surgeons of CanadaUniversity or college · founded 1929
Carleton UniversityUniversity or college · founded 1942
Saint Paul UniversityUniversity or college · founded 1965
Algonquin CollegeUniversity or college · founded 1967
Canadian Police CollegeUniversity or college · founded 1976
The North South InstituteUniversity or college · founded 1976
Association of Canadian Universities for Northern StudiesUniversity or college · founded 1978
City CollegeUniversity or college · founded 1990
U15 Group of Canadian Research UniversitiesUniversity or college · founded 1991
Bruyere Health Research InstituteUniversity or college · founded 2002
Canadian Precast Prestressed Concrete InstituteUniversity or college
Canadian University Society for Intercollegiate DebateUniversity or college
Canadian Virtual UniversityUniversity or college
Research Center on Social Innovation and TransformationUniversity or college
U SPORTSUniversity or college
The Élisabeth-Bruyère School of Social InnovationUniversity or college
Ottawa Research and Development CentreResearch institute · founded 1886
Canadian Society for Exercise PhysiologyResearch institute · founded 1967
Canadian Council on Animal CareResearch institute · founded 1968
Communications Research Centre CanadaResearch institute · founded 1969
Centre For Cold Ocean Resources EngineeringResearch institute · founded 1975
Canadian Centre for Policy AlternativesResearch institute · founded 1980
Paracel LaboratoriesResearch institute · founded 1985
Steacie Institute for Molecular SciencesResearch institute · founded 1991
Canadian Poultry Research CouncilResearch institute · founded 2001
Max Planck - University of Ottawa Centre for Extreme and Quantum PhotonicsResearch institute · founded 2015
CIHR Skin Research Training CentreResearch institute
Canmet MiningResearch institute
Centre for Catalysis Research and InnovationResearch institute
Centre for Environmental Law and Global SustainabilityResearch institute
Centre for Health Law, Policy and EthicsResearch institute
Centre for Infection, Immunity and InflammationResearch institute
Centre for Interdisciplinary Research on Citizenship and MinoritiesResearch institute
Centre for Law, Technology and SocietyResearch institute
Centre for Research on Educational and Community ServicesResearch institute
Centre for Research on French Canadian CultureResearch institute
Centre for Research on Health and NursingResearch institute
Centre on GovernanceResearch institute
Centre on International Policy StudiesResearch institute
Communications and Information Technology OntarioResearch institute
Data Literacy Research InstituteResearch institute
Human Rights Research and Education CentreResearch institute
Institute for Biological SciencesResearch institute
Institute for Microstructural SciencesResearch institute
Institute for Science, Society and PolicyResearch institute
Institute of Neurosciences, Mental Health and AddictionResearch institute
Institute of Nutrition, Metabolism and DiabetesResearch institute
Institute of Population and Public HealthResearch institute
Institute of the EnvironmentResearch institute
Interdisciplinary Centre for Black HealthResearch institute
Joint Attosecond Science LaboratoryResearch institute
Joint Research Center on Systems and Personalized PharmacologyResearch institute
LIFE Research InstituteResearch institute
Music and Health Research InstituteResearch institute
Nexus for Quantum Technologies InstituteResearch institute
Ottawa Heart InstituteResearch institute
Ottawa Institute of Systems BiologyResearch institute
Pest Management CentreResearch institute
Public Law CentreResearch institute
Research CanadaResearch institute
Research Centre on the Future of CitiesResearch institute
Research Institute for Indigenous studiesResearch institute
uOttawa Brain and Mind Research InstituteResearch institute
Towns and villages around Ottawa
Each with its own page: weather, climate and the best time to visit.
Ottawa East1.6 kmSandy Hill2.2 kmRideau Gardens2.3 kmOttawa South2.3 kmLowertown2.3 kmMechanicsville2.7 kmFaircrest3.1 kmTunney's Pasture3.2 kmKingsview Park3.5 kmApplewood Acres3.7 kmChamplain Park3.8 kmBillings Bridge3.9 kmOverbrook4 kmRiverview Park4 kmLaurentian View4.2 kmHeron Park4.6 kmRidgemont4.7 kmPlayfair Park4.8 kmGuildwood Estates4.9 kmRideau Park4.9 kmCastle Heights4.9 kmWestboro4.9 kmRideauview5 kmRiverside Park5.1 kmCarleton Square5.2 kmCyrville5.2 kmCentral Park5.6 kmRiverside Park South5.6 kmForbes5.6 kmHighland Park5.6 kmManor Park5.7 kmSkyline5.8 kmUrbandale6.1 kmMcKellar Heights6.2 kmRevelstoke6.4 kmCarson Grove6.4 kmCopeland Park6.6 kmQuarries6.6 kmBeacon Heights6.6 kmHunt Club6.7 kmHawthorne Meadows6.7 kmFisher Glen6.8 kmCarlingwood6.8 kmSouth Keys6.8 kmMooneys Bay6.9 kmSt. Claire Gardens7 kmGreenboro7.2 kmStewart Farm7.3 kmPineview7.3 kmBel Air Heights7.4 kmCardinal Heights7.7 kmWoodpark7.7 kmBel Air Park7.8 kmWhitehaven7.9 kmHunt Club Park8 kmRothwell Heights8.1 kmKenson Park8.2 kmCrestview8.2 kmBeacon Hill South8.5 kmLincoln Heights8.5 kmParkway Park8.6 kmElizabeth Park8.7 kmBeaconwood8.8 kmRothwell Village8.8 kmWindsor Park Village9 kmBeacon Hill North9.1 kmQueensway Terrace North9.2 kmBritannia Bay9.2 kmRidgeview9.4 kmPineglen Annex9.5 kmMerivale9.5 kmTanglewood9.6 kmCentrepointe9.6 kmQueensway Terrace South9.8 kmPineglen10 kmBriargreen10 kmMerivale Gardens10 kmVictory Hill10 kmFairfield Heights10 kmCedardale11 km
Ottawa from above
Around Ottawa38 places to see, do and reach nearby
Gatineau RiverNature4.8 kmPink Lake, QuebecNature11 kmDow's LakeNature1.9 kmLac Leamy, OntarioNature4.8 kmChaudière Falls, OntarioNature2.1 kmRideau FallsNature3.4 kmLemieux IslandNature2.8 kmCummings IslandNature3.1 kmCamp FortuneSki area16 kmMont Cascades SkiSki area23 kmSommet EdelweissSki area28 kmCentre VorlageSki area32 kmSharky's Scuba Supply OttawaDive site2.9 kmEPSODive site6.7 kmDivers WearhouseDive site9.0 kmCentre BlockMonument1.5 kmOffice of the Prime Minister and Privy CouncilMonument1.4 kmChâteau LaurierMonument1.6 kmNotre-Dame Cathedral BasilicaMonument2.1 kmSenate of Canada BuildingMonument1.5 kmRideau CanalMonument1.7 kmSir John Carling BuildingMonument2.1 kmNational Arts CentreMonument1.4 kmNational Gallery of CanadaMuseum2.0 kmCanadian Museum of HistoryMuseum2.2 kmCarleton UniversityMuseum2.6 kmCanadian Children's MuseumMuseum2.2 kmCanadian Museum of NatureMuseum0.7 kmOttawaStation3.7 kmFallowfieldStation13 kmWatertaxiFerry port1.4 kmWatertaxiFerry port1.7 kmGatineauPlace7.3 kmOrléansPlace16 kmOttawa SouthPlace2.3 kmChelseaPlace12 kmAylmerPlace8.5 kmCantleyPlace19 km
Postal codes
K1AK1RK2P
Getting to Ottawa
Ottawa / Rockcliffe AirportYRO
6.9 kmOttawa Macdonald-Cartier International AirportYOW
10 kmOttawa / Gatineau AirportYND
16 kmOttawaRailway station
3.7 kmFallowfieldRailway station
13 kmWatertaxiFerry port
1.4 kmWatertaxiFerry port
1.7 kmPlaces near Ottawa
Places with a climate like Ottawa
Matched month by month on temperature, rain and sunshine.
Frequently asked questions
When is the best time to visit Ottawa?
Based on 30-year climate normals, May, June and September offer the best balance of comfortable temperatures, low rainfall and sunshine in Ottawa.
What is the hottest month in Ottawa?
July is the warmest month, with average highs of 27°C and lows of 16°C.
What is the coldest month in Ottawa?
January is the coldest month, with average highs of -5°C and lows of -14°C.
What is the rainiest month in Ottawa?
July is the wettest month with about 89 mm of precipitation on 16 wet days.
What is the postal code of Ottawa?
Ottawa has 3 postal codes: K1A, K1R, K2P.