Temperatures in May
It's pleasantly warm in May in Guelph with an average temperature of 19°C. Temperatures this month range from a low of 13°C to a high of 25°C. At night, you can expect temperatures between 3°C and 13°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Guelph in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Guelph with cool temperatures, averaging around 16°C during the day and nights close to 6°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-May
By mid-May, the average daytime temperature rises to around 19°C, with nights close to 7°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of May
By the end of May, the average daytime temperature in Guelph will be around 23°C, with nights close to 10°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in May
In May, there is an average of 74 mm of precipitation, spread over 7 days. Of the total precipitation, about 0,1 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 23% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Guelph. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Guelph in May |
London | ||
|---|---|---|---|
 Average Temperature |
19°C | 18°C | |
 High Temp |
25°C | 21°C | |
| Low Temp |
13°C | 15°C | |
 Total Precipitation |
74 mm | 46 mm | |
| Rainy Days |
7 days | 8 days | |
 Total Snowfall |
0,1 cm | 0 cm | |
| Snowy Days |
1 day | 0 days | |
April
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Guelph?
Want nice weather? Then May is a great time to be in Guelph. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Guelph in May
With 31°C, Guelph hit the highest temperature in the last 10 years in May 2020. The lowest daytime temperature in this month was 3°C in 2020. The extreme night temperatures ranged from a low of -6°C to a high of 21°C.
Check out the climate of Guelph for all months and discover the best travel time
Curious about the climate in other parts of Canada? Check out the weather and climate in places like Vancouver, Toronto, Niagara Falls, or have a look at other destinations in Canada.
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Daily Temperature in May in Guelph
This chart shows the average daily temperatures, both day and night, for each day in May in Guelph, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Guelph
The chart below shows the average daily precipitation in May for Guelph, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 7 days of rain in Guelph.
Daily Snowfall in May in Guelph
This chart shows the average daily snowfall in May in Guelph, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV Index in May in Guelph
This chart shows the average daily UV index in May in Guelph, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Guelph Over the Years
This chart shows the average temperature in May in Guelph, measured in degrees Celsius, over the past years.
Total Precipitation in May in Guelph Over the Years
This chart shows the average precipitation in May in Guelph, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in May in Guelph per year
This chart shows the average snowfall in May in Guelph, measured in centimetres, over the past years.
Daily climate in May for Guelph
Click on a specific day in May for detailed info on the typical weather on that day in Guelph. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Guelph
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Average Weather in Guelph by Month
Click on a month below to see detailed weather info for Guelph. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
