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Ottawa in April: Weather, Average temperature and Climate

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

Weather in Ottawa in April 2025

OK Weather
Mild
☁️
Cloudy
If you plan to visit Ottawa in April, the weather is typically alright, with an average high temperature of +54°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 7 rainy days in the month and around 71 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • April is usually the driest month of the year in Ottawa

Average weather

☀️
+54°F
Avg. max. temperature
0°F
Min.
+90°F
Max.
71 mm
Total precipitation
61%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
17 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Ottawa has OK weather in April.

Average temperature in Ottawa in April

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

The temperature in April is +54°F on average, with a range between a maximum of +64°F during the day and a minimum of +27°F at night.

The average maximum temperature goes up 38% by the end of the month, compared with the beginning of the month, from +48°F to +63°F.

Is Ottawa warm or cold in April?

Ottawa is typically mild in April.

Maximum temperatures go up compared to the previous month from +37°F to +54°F. The minimum temperature also goes up from +21°F to +36°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how April is compared to other months in Ottawa:

Climate in Ottawa in April

Ottawa weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+37°F+54°F+68°F
Min. temperature
-20°F0°F+23°F
Max. temperature
+81°F+90°F+95°F
Rainfall
28 mm71 mm85 mm
Wind
3 m/s3 m/s3 m/s
Humidity
66%61%62%
Air pressure
1015 HPa1013 HPa1013 HPa
Sunny days
543
Cloudy days
191720
Rainy days
378
Snowy days
420

April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +37°F to +54°F during the day. Prepare for more rain. Average rainfall goes from 28 mm to 71 mm. It feels drier, as humidity decreases from 66% to 61%. The average wind speed doesn’t change much during April, staying around 3 m/s. The days becoming less sunny, going from 5 sunny days in March to 4 in April.

But maybe it is worth considering traveling in May as the weather gets better.

Wind

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

The average wind speed is 5 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 decreasing during April, going from 6 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Ottawa based on historical data.
Last Year
Historical Data
Typically, there is a 53% chance of rain on an average day in April, with total rainfall of approximately 104 mm. The maximum amount of rainfall per day is around 22 mm, which is considered light rain. April is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Ottawa wettest month is June, where a typical day has a 30% 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 11 mm of rainfall per day.

Snow

Amount of snow in mm during April in Ottawa based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in April is 0%, for a monthly total of around 3 mm.

Here’s how April is compared with other months in the amount of snow, total mm:

How was the weather last April in Ottawa?

This is the weather in Ottawa in April 2023:
1 April
☁️
+48°F
2 April
☁️
+46°F
3 April
☁️
+45°F
4 April
☁️
+50°F
5 April
☁️
+56°F
6 April
☁️
+60°F
7 April
🌧️
+51°F
8 April
🌧️
+46°F
9 April
☁️
+50°F
10 April
☁️
+45°F
11 April
☁️
+55°F
12 April
☁️
+63°F
13 April
☁️
+55°F
14 April
🌧️
+55°F
15 April
☀️
+56°F
16 April
☁️
+47°F
17 April
☁️
+48°F
18 April
☀️
+53°F
19 April
🌧️
+47°F
20 April
☁️
+49°F
21 April
🌧️
+53°F
22 April
☁️
+55°F
23 April
☁️
+51°F
24 April
☁️
+57°F
25 April
🌧️
+65°F
26 April
☁️
+59°F
27 April
☁️
+50°F
28 April
☀️
+51°F
29 April
☀️
+56°F
30 April
☀️
+62°F
In April 2023 Ottawa had 5 sunny days, 19 cloudy days, and 6 rainy days. The average maximum temperature was +54°F, with an absolute maximum of +64°F and a minimum of +45°F. The average humidity was 63%, with a maximum of 96% and a minimum of 18%. The average wind speed was 5 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change Over the Years

This is how Ottawa climate has changed over the last 43 years.

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

The average temperature was the lowest in 2018 (+47°F) and the highest in 1987 (+62°F). The driest year was 1985 with only 23 mm of rainfall, and the wettest year was 2019 with 249 mm.

FAQ

Frequently asked questions about the weather in Ottawa in April:

Is April a good time to visit Ottawa?

It’s always a good time to visit Ottawa, but the weather is changeable in April, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Ottawa in April?

April has mild temperatures in Ottawa. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Ottawa rainy in April?

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

Is it sunny in Ottawa in April?

Usually, it’s not very sunny in Ottawa in April, 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, 2022.

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.