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Weather in Oshawa for May 2025

Your guide to Oshawa weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Oshawa at the beginning of May is 11.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.1 °C by the end of May.

  • Rain 🌧️

  • The climate of Oshawa in May is notably wet, with an average of 15 rainy days, and a total of 69.7 mm of precipitation.

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Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/9°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Oshawa in May average weather

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Temperatures trend during May in Oshawa

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
1 May Heavy rain at times
Heavy rain at times
10° /5° 2.5 mm 3
2 May Patchy rain possible
Patchy rain possible
10° /5° 0.4 mm 3
3 May Heavy rain at times
Heavy rain at times
11° /6° 3.4 mm 3
4 May Patchy rain possible
Patchy rain possible
11° /6° 2.5 mm 3
5 May Patchy rain possible
Patchy rain possible
11° /6° 1.5 mm 3
6 May Partly cloudy
Partly cloudy
15° /6° 0 mm 4
7 May Moderate rain at times
Moderate rain at times
14° /7° 6.4 mm 3
8 May Partly cloudy
Partly cloudy
18° /9° 0.4 mm 5
9 May Partly cloudy
Partly cloudy
12° /8° 1.2 mm 4
10 May Sunny
Sunny
15° /6° 0.2 mm 4
11 May Partly cloudy
Partly cloudy
15° /7° 0.2 mm 4
12 May Partly cloudy
Partly cloudy
16° /9° 0.2 mm 5
13 May Cloudy
Cloudy
17° /10° 6.6 mm 4
14 May Overcast
Overcast
14° /9° 13.3 mm 3
15 May Sunny
Sunny
17° /7° 0.1 mm 5
16 May Overcast
Overcast
18° /9° 0.1 mm 4
17 May Sunny
Sunny
14° /7° 0 mm 4
18 May Sunny
Sunny
15° /6° 0.1 mm 4
19 May Patchy rain possible
Patchy rain possible
18° /9° 2.2 mm 4
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /11° 16.4 mm 4
21 May Partly cloudy
Partly cloudy
20° /11° 0.2 mm 5
22 May Cloudy
Cloudy
19° /11° 1 mm 5
23 May Sunny
Sunny
18° /10° 0 mm 5
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /10° 2.9 mm 5
25 May Sunny
Sunny
15° /6° 3.3 mm 5
26 May Sunny
Sunny
18° /9° 0 mm 5
27 May Sunny
Sunny
18° /11° 3 mm 5
28 May Partly cloudy
Partly cloudy
18° /10° 1.6 mm 5
29 May Sunny
Sunny
18° /11° 0 mm 6
30 May Sunny
Sunny
19° /10° 0 mm 6
31 May Sunny
Sunny
21° /11° 0 mm 6
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Important Notice
Our weather forecast for Oshawa 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 Oshawa forecast closer to your planned date for the most up-to-date weather information.

Oshawa in May - FAQ

What are the expected maximum and minimum temperatures in Oshawa during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Oshawa during May?
Moderate rainfall is anticipated in Oshawa during May, with a total of 69.7 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Oshawa during May?
The average wind speed in Oshawa during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Oshawa

Explore the daily rainfall trends and prepare for Oshawas May weather 💧

UV exposure in Oshawa during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Oshawa?

Get accurate weather forecasts for Oshawa, located at latitude 43.9 and longitude -78.85. Stay updated with localized weather information tailored for Oshawa.

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