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United StatesThe climate of Chatham
The current climate in Chatham features temperatures ranging from a high of 27°C to a low of 4°C throughout the year. The average yearly temperature is around 15°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 19°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 Chatham, Massachusetts.
Temperature records
The highest temperature recorded in Chatham in recent years was 35°C in July 2019. The lowest daytime temperature recorded was -13°C in February 2016.
Precipitation and snowfall
On average, Chatham gets 1779 mm of precipitation each year. Of this, about 52 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Chatham?
The best time to visit Chatham for mild to warm weather is May up to September. You might get some rain, but the temperatures are just right to explore Chatham.
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Climate Table of Chatham
The climate table of Chatham 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) | 4 | 6 | 7 | 12 | 17 | 22 | 27 | 26 | 23 | 17 | 12 | 7 |
| Temp. min (°C) | -2 | -1 | 0 | 6 | 10 | 15 | 19 | 19 | 16 | 11 | 5 | 0 |
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| Precipitation (mm) | 174 | 196 | 174 | 184 | 110 | 89 | 67 | 117 | 136 | 219 | 134 | 179 |
| Snow (cm) | 17 | 12 | 14 | 1,9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6,5 |
| UV Index | 3 | 4 | 6 | 7 | 7 | 8 | 8 | 7 | 6 | 5 | 4 | 3 |
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 Chatham, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Chatham
Yearly Temperature in Chatham
Precipitation charts
These charts show the average amount of precipitation in Chatham, 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 Chatham
Total Yearly Precipitation in Chatham
Average Snowfall per Month in Chatham
Total Yearly Snowfall in Chatham
UV index chart
This chart shows the average UV index per month in Chatham, 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 Chatham
Weather experiences in Chatham
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Average weather in Chatham by month
Click on a month below to see detailed weather info for Chatham. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.