Temperatures in May
It's pleasantly warm in May in Boylston with an average temperature of 21°C. Temperatures this month range from a low of 15°C to a high of 26°C. At night, you can expect temperatures between 5°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Boylston 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 Boylston with mild temperatures, averaging around 18°C during the day and nights close to 8°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 22°C, with nights close to 11°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 Boylston will be around 23°C, with nights close to 12°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in May
In May, there is an average of 130 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 32% 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 Boylston. 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.
Boylston in May |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 18°C | |
 High Temp |
26°C | 21°C | |
| Low Temp |
15°C | 15°C | |
 Total Precipitation |
130 mm | 46 mm | |
| Rainy Days |
10 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 Boylston?
After some sun? Then May isn’t the best time to be in Boylston. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Boylston in May
With 34°C, Boylston hit the highest temperature in the last 10 years in May 2016. The lowest daytime temperature in this month was 5°C in 2020. The extreme night temperatures ranged from a low of 0°C to a high of 22°C.
Check out the climate of Boylston for all months and discover the best travel time
Daily Temperature in May in Boylston
This chart shows the average daily temperatures, both day and night, for each day in May in Boylston, 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 Boylston
The chart below shows the average daily precipitation in May for Boylston, 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 10 days of rain in Boylston.
Daily UV Index in May in Boylston
This chart shows the average daily UV index in May in Boylston, 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 Boylston Over the Years
This chart shows the average temperature in May in Boylston, measured in degrees Celsius, over the past years.
Total Precipitation in May in Boylston Over the Years
This chart shows the average precipitation in May in Boylston, 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 Boylston
Click on a specific day in May for detailed info on the typical weather on that day in Boylston. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Boylston
Have you been to Boylston in May?
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Average Weather in Boylston by Month
Click on a month below to see detailed weather info for Boylston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
