United StatesAverage weather for Bolton in May
It's pleasantly warm in May in Bolton with an average temperature of 21°C. Temperatures this month range from a low of 14°C to a high of 27°C. At night, you can expect temperatures between 6°C and 14°C.
Start of May
The month of May starts in Bolton with mild temps, averaging around 18°C during the day and nights around 8°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid May
By mid-May, daytime temps rise to around 22°C, with nights around 11°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of May
By the end of May, the average daytime temperature in Bolton is around 22°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In May, there is an average of 157 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the South.
Bolton in May |
New York | ||
|---|---|---|---|
 Average temperature |
21°C | 22°C | |
 Max. temperature |
27°C | 28°C | |
| Min. temperature |
14°C | -5°C | |
 Total precipitation |
157 mm | 105 mm | |
| Rainy days |
10 days | 14 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 Bolton?
Looking for sun? May isn’t a good month to be in Bolton. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 34°C in 2016, Bolton reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 5°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 22°C.
Check out the climate of Bolton for all months and discover the best travel time
Daily Temperature in May in Bolton
This chart shows the average daily high and low temperatures in May for Bolton, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Bolton
The chart below shows the average daily precipitation in May for Bolton, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 10 days of precipitation in Bolton.
Daily UV index in May in Bolton
This chart shows the average daily UV index in May in Bolton, 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 Bolton over the years
This chart shows the average temperature in May in Bolton, measured in degrees Celsius, over the past few years.
Total precipitation in May in Bolton over the years
This chart shows the average precipitation in May in Bolton, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Bolton
Click on any day in May to get detailed info about the usual weather on that day in Bolton. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Bolton
Have you been to Bolton in May?
Share your weather experience in May in Bolton.
Average weather in Bolton by month
Click on a month below to see detailed weather info for Bolton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
