Your trips
Organise your trips easily with tabs
London
Ottawa
Any date
+ Search
background

Ottawa in June: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Ottawa in June will be like? Take a look at our weather guide for Ottawa, based on historical data.
Check flight prices to Ottawa on Avionero:
June

Weather in Ottawa in June 2025

Good Weather
Warm
🌧️
Rainy
Planning a trip to Ottawa in June? You are in luck! The weather is generally good, with an average maximum temperature of +24°C and approximately 3 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 91 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+24°C
Avg. max. temperature
0°C
Min.
+36°C
Max.
91 mm
Total precipitation
68%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
11 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Ottawa has good weather in June.

Average temperature in Ottawa in June

Here are the expected maximum, average and minimum temperatures in Ottawa for June based on the historical data.
Last Year
Historical Data

Going from a maximum of +34°C during the day to a minimum of +7°C during the night, the temperature in June averages around +25°C.

The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +34°C to +25°C.

Is Ottawa warm or cold in June?

Ottawa is typically warm in June.

Maximum temperatures go up compared to the previous month from +20°C to +24°C. The minimum temperature also goes up from +8°C to +13°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

June is one of the warmest months in Ottawa, here is the comparison with other months:

Climate in Ottawa in June

Ottawa weather looks like this, on average, in June and the surrounding months.
MayJuneJuly
Avg. temperature
+20°C+24°C+27°C
Min. temperature
-5°C0°C+6°C
Max. temperature
+35°C+36°C+36°C
Rainfall
86 mm91 mm91 mm
Wind
3 m/s3 m/s2 m/s
Humidity
62%68%69%
Air pressure
1013 HPa1012 HPa1012 HPa
Sunny days
333
Cloudy days
121111
Rainy days
141311
Snowy days
000

June weather is still as good as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +20°C to +24°C during the day. Prepare for more rain. Average rainfall goes from 86 mm to 91 mm. Humidity rises from 62% to 68%. The average wind speed doesn’t change much during June, staying around 3 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

July brings much the same weather, it remains good.

Wind

Wind speed in Ottawa in June based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Ottawa is gradually increasing during June, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during June in Ottawa based on historical data.
Last Year
Historical Data
Typically, there is a 40% chance of rain on an average day in June, with total rainfall of approximately 86 mm. The maximum amount of rainfall per day is around 30 mm, which is moderate rain. June is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
June is one of the rainiest months in Ottawa, here is a comparison with other months, total mm:
Ottawa wettest month is July, where a typical day has a 35% chance of precipitation and 91 mm of rainfall per day. February, on the other hand, is the driest month with a mere 3% chance of precipitation and 12 mm of rainfall per day.

How was the weather last June in Ottawa?

This is the weather in Ottawa in June 2023:
1 June
☀️
+34°C
2 June
☁️
+32°C
3 June
☀️
+26°C
4 June
☀️
+23°C
5 June
☁️
+23°C
6 June
🌫️
+22°C
7 June
🌫️
+16°C
8 June
☁️
+17°C
9 June
☁️
+19°C
10 June
☁️
+24°C
11 June
☁️
+24°C
12 June
☁️
+27°C
13 June
☁️
+23°C
14 June
🌧️
+19°C
15 June
☁️
+26°C
16 June
🌫️
+25°C
17 June
🌫️
+20°C
18 June
☁️
+23°C
19 June
☁️
+23°C
20 June
☀️
+28°C
21 June
☀️
+27°C
22 June
☀️
+29°C
23 June
☁️
+31°C
24 June
☁️
+28°C
25 June
🌫️
+27°C
26 June
🌫️
+27°C
27 June
🌧️
+25°C
28 June
☁️
+23°C
29 June
🌫️
+27°C
30 June
🌫️
+25°C
In June 2023 Ottawa had 6 sunny days, 14 cloudy days, and 2 rainy days. The average maximum temperature was +25°C, with an absolute maximum of +34°C and a minimum of +16°C. The average humidity was 71%, with a maximum of 99% and a minimum of 27%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in June?

Climate Change over Years

This is how Ottawa climate have been changing during last 43 years period.

The climate in Ottawa in June has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+10°C) and the highest in 2012 (+13°C). The driest year was 1985 with only 469 mm of rainfall, and the wettest year was 2017 with 1378 mm.

FAQ

Frequently asked questions about the weather in Ottawa in June:

Is June a good time to visit Ottawa?

June is a really good time to go to Ottawa. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Ottawa.

Can you sunbathe in Ottawa in June?

June is warm in Ottawa. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Ottawa rainy in June?

Ottawa is often rainy in June. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Ottawa in June?

Usually, it’s not very sunny in Ottawa in June, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Ottawa

Source of the data

For this page, we’ve looked at the typical weather in Ottawa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.