Temperatures in May
It's warm in May in Unionville with an average temperature of 26°C. Temperatures this month range from a low of 21°C to a high of 30°C. At night, you can expect temperatures between 10°C and 18°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Unionville 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 Unionville with warm temperatures, averaging around 25°C during the day and nights close to 13°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature rises to around 26°C, with nights close to 15°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of May
By the end of May, the average daytime temperature in Unionville will be around 29°C, with nights close to 17°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
Discover cheap trips to Unionville 
Precipitation in May
In May, there is an average of 68 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 27% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Unionville. 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.
Unionville in May |
London | ||
|---|---|---|---|
 Average Temperature |
26°C | 18°C | |
 High Temp |
30°C | 21°C | |
| Low Temp |
21°C | 15°C | |
 Total Precipitation |
68 mm | 46 mm | |
| Rainy Days |
8 days | 8 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 Unionville?
Want nice weather? Then May is a great time to be in Unionville. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Unionville in May
With 33°C, Unionville hit the highest temperature in the last 10 years in May 2019. The lowest daytime temperature in this month was 12°C in 2017. The extreme night temperatures ranged from a low of 0°C to a high of 23°C.
Check out the climate of Unionville for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Unionville and see what our partners have for you.
Daily Temperature in May in Unionville
This chart shows the average daily temperatures, both day and night, for each day in May in Unionville, 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 Unionville
The chart below shows the average daily precipitation in May for Unionville, 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 8 days of rain in Unionville.
Daily UV Index in May in Unionville
This chart shows the average daily UV index in May in Unionville, 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 Unionville Over the Years
This chart shows the average temperature in May in Unionville, measured in degrees Celsius, over the past years.
Total Precipitation in May in Unionville Over the Years
This chart shows the average precipitation in May in Unionville, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Unionville
Click on a specific day in May for detailed info on the typical weather on that day in Unionville. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Unionville
Have you been to Unionville in May?
Share your weather experience in May in Unionville.
Average Weather in Unionville by Month
Click on a month below to see detailed weather info for Unionville. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Unionville for all months at once
