United StatesThe climate of Bolton
The current climate in Bolton features temperatures ranging from a high of 29°C to a low of 2°C throughout the year. The average yearly temperature is around 16°C. At night, temperatures in the colder months average around -7°C and in the warmer months around 18°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Bolton, Massachusetts.
Temperature records
The highest temperature recorded in Bolton in recent years was 36°C in July 2022. The lowest daytime temperature recorded was -16°C in January 2019.
Precipitation and snowfall
On average, Bolton gets 1668 mm of precipitation each year. Of this, about 123 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Bolton?
The best time to visit Bolton for mild to warm weather is May up to October. You might get some rain, but the temperatures are just right to explore Bolton.
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Climate Table of Bolton
The climate table of Bolton shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 2 | 3 | 7 | 14 | 20 | 26 | 29 | 28 | 23 | 17 | 10 | 5 |
| Temp. min (°C) | -6 | -6 | -2 | 4 | 10 | 15 | 18 | 18 | 13 | 8 | 1 | -2 |
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| Precipitation (mm) | 111 | 98 | 107 | 108 | 157 | 123 | 185 | 193 | 173 | 202 | 102 | 109 |
| Snow (cm) | 48 | 38 | 15 | 2,0 | 0 | 0 | 0 | 0 | 0 | 1,6 | 4,2 | 13 |
| UV Index | 2 | 3 | 4 | 5 | 7 | 5 | 7 | 6 | 5 | 4 | 2 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Bolton, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Bolton
Yearly Temperature in Bolton
Precipitation charts
These charts show the average amount of precipitation in Bolton, Massachusetts. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Bolton
Total Yearly Precipitation in Bolton
Average Snowfall per Month in Bolton
Total Yearly Snowfall in Bolton
UV index chart
This chart shows the average UV index per month in Bolton, Massachusetts. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Bolton
Weather experiences in Bolton
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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.