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Outaouais (Gatineau)
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Weather in Outaouais for May 2026

Your guide to Outaouais weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Outaouais during May is quite rare, with fewer than 2 snowy days on average.
    According to Outaouais snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Monday, 4 May.

    • Temperatures

  • The forecast for the first days of May 2026 in Outaouais predicts temperatures to be around 11 °C, close to the historical average.

  • In general, the average temperature in Outaouais at the beginning of May is 10.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °C by the end of May.

    • Rain 🌧️

  • Outaouais in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 91.7 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Outaouais Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
9°
2
Patchy rain possible
9°
3
Patchy rain possible
6°
4
Patchy rain possible
7°
5
Patchy rain possible
14°
6
Patchy rain possible
18°
7
Moderate rain
10°
8
Partly cloudy
15°
9
Moderate rain
8°
10
Patchy rain possible
12°
11
Patchy rain possible
10°
12
Sunny
15°
13
Partly cloudy
18°
14
Partly cloudy
19°
15
Partly cloudy
21°
16
Heavy rain at times
19°
17
Light rain shower
17°
18
Sunny
16°
19
Overcast
17°
20
Moderate or heavy rain shower
17°
21
Patchy rain possible
18°
22
Sunny
17°
23
Sunny
18°
24
Moderate or heavy rain shower
13°
25
Sunny
18°
26
Overcast
21°
27
Sunny
21°
28
Sunny
23°
29
Overcast
19°
30
Sunny
21°
31
Partly cloudy
22°

Temperatures trend during May in Outaouais

See the weather trend as well as the moving average line

May weather in Outaouais day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Patchy rain possible
Patchy rain possible
 9° /-1° 0.3 mm 0 cm
2 May Patchy rain possible
Patchy rain possible
 9° /-2° 0.3 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 6° /-2° 1.9 mm 0 cm
4 May Patchy rain possible
Patchy rain possible
 7° /2° 0.9 mm 0.3 cm
5 May Patchy rain possible
Patchy rain possible
 14° /3° 1 mm 0 cm
6 May Patchy rain possible
Patchy rain possible
 18° /12° 1.1 mm 0 cm
7 May Moderate rain
Moderate rain
 10° /5° 7.7 mm 0 cm
8 May Partly cloudy
Partly cloudy
 15° /4° 0 mm 0 cm
9 May Moderate rain
Moderate rain
 8° /3° 12.8 mm 0 cm
10 May Patchy rain possible
Patchy rain possible
 12° /4° 1 mm 0 cm
11 May Patchy rain possible
Patchy rain possible
 10° /2° 0.1 mm 0 cm
12 May Sunny
Sunny
 15° /0° 0 mm 0 cm
13 May Partly cloudy
Partly cloudy
 18° /8° 1.7 mm 0 cm
14 May Partly cloudy
Partly cloudy
 19° /9° 1.2 mm 0 cm
15 May Partly cloudy
Partly cloudy
 21° /8° 0.1 mm 0 cm
16 May Heavy rain at times
Heavy rain at times
 19° /10° 1.6 mm 0 cm
17 May Light rain shower
Light rain shower
 17° /9° 6.4 mm 0 cm
18 May Sunny
Sunny
 16° /6° 0.8 mm 0 cm
19 May Overcast
Overcast
 17° /5° 0 mm 0 cm
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /10° 10.5 mm 0 cm
21 May Patchy rain possible
Patchy rain possible
 18° /10° 2.3 mm 0 cm
22 May Sunny
Sunny
 17° /7° 10.2 mm 0 cm
23 May Sunny
Sunny
 18° /7° 0 mm 0 cm
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /6° 4 mm 0 cm
25 May Sunny
Sunny
 18° /4° 0.5 mm 0 cm
26 May Overcast
Overcast
 21° /8° 0 mm 0 cm
27 May Sunny
Sunny
 21° /8° 5.5 mm 0 cm
28 May Sunny
Sunny
 23° /11° 1.9 mm 0 cm
29 May Overcast
Overcast
 19° /10° 0 mm 0 cm
30 May Sunny
Sunny
 21° /9° 0 mm 0 cm
31 May Partly cloudy
Partly cloudy
 22° /9° 5.9 mm 0 cm
Next
Important Notice
Our weather forecast for Outaouais in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Outaouais forecast closer to your planned date for the most up-to-date weather information.
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Outaouais in May - FAQ

What are the expected maximum and minimum temperatures in Outaouais during May?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Outaouais during May?

Moderate rainfall is anticipated in Outaouais during May, with a total of 91.7 mm spread over approximately 19 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Outaouais during May?

The average wind speed in Outaouais during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Outaouais snow forecast May 2026

Track daily snowfall levels and discover Outaouais’s snowy potential this May ❄️

May rainfall patterns in Outaouais

Explore the daily rainfall trends and prepare for Outaouaiss May weather 💧
Typically, Outaouais has 19 rainy days in May with a total of 91.7 mm of rainfall.

UV exposure in Outaouais during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Outaouais?

Get accurate weather forecasts for Outaouais, located at latitude 45.477 and longitude -75.702. Stay updated with localized weather information tailored for Outaouais.

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