Best year time to visit Ottawa

General weather information about Ottawa

Average annual temperature is 7.9 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -32.1 °C

Number of sunny days: 125 days

Number of rainy days: 183 days

Number of snow days: 57 days

Look at detailed online map of Ottawa

* Weather data for Ottawa Canada is based on climate observations for 2026 year

Ottawa air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.2	9.7	7.5	26.7	31.3	33.2	32.0	26.6	32.2	28.7	14.0	9.3
Average daytime temperature (°C)	-1.5	-0.9	3.0	13.1	19.1	24.4	26.4	23.6	23.0	15.7	4.8	1.6
Average temperature (°C)	-5.1	-6.9	-1.4	6.2	12.6	18.7	21.7	19.0	17.7	11.7	1.1	-1.6
Average night temperature (°C)	-8.5	-11.4	-5.3	0.7	6.2	13.5	17.7	15.3	13.5	8.7	-1.9	-4.2
Absolute minimum temperature (°C)	-18.6	-32.1	-12.7	-10.2	0.7	8.7	12.9	10.6	8.8	-1.8	-9.0	-13.7

Ottawa monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	10.9	9.5	8.8
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	3.1	5.3	6.4	8.0	10.9	10.4	11.5	9.9	9.7	5.1	4.6	2.5
Precipitation (mm)	114	79	76	82	96	89	188	135	22	94	41	104
Sunny days	7	7	10	13	21	10	3	7	20	8	10	9
Rainy days	7	7	9	17	10	20	28	24	10	23	12	16
Snow days	17	14	12	0	0	0	0	0	0	0	8	6

Ottawa - weather forecast by months

Ottawa weather in january Ottawa weather in february Ottawa weather in march Ottawa weather in april Ottawa weather in may Ottawa weather in june Ottawa weather in july Ottawa weather in august Ottawa weather in september Ottawa weather in october Ottawa weather in november Ottawa weather in december

Best time to visit Ottawa:

The best time to visit Ottawa during the most sunny months:

May — 10.9(h)
June — 10.4(h)
July — 11.5(h)
August — 9.9(h)
September — 9.7(h)

Months with the longest average daylight duration in Ottawa:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Ottawa is at

July — 188(mm)

August — 135(mm)

Weather forecast in the closest to Ottawa admin centers