What’s the climate like in 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.
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.
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.
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.
- Average yearly temperature: 15°C
- Highest temperature: 27°C in July
- Lowest temperature: 4°C in January
- Precipitation*: 1779 mm per year, averaging 148 mm per month
- Snowfall: 52 cm per year
- Driest months: 67 mm in July, 89 mm in June and 110 mm in May
- Wettest months: 219 mm in October, 196 mm in February and 184 mm in April
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Chatham
This graph shows the average maximum temperatures per month in Chatham, Massachusetts. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Chatham
This graph shows how much rainfall Chatham, Massachusetts, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average Snowfall per Month in Chatham
This graph shows how much snow Chatham, Massachusetts, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Chatham
This graph 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.
Yearly Temperature in Chatham
This graph shows the average yearly temperature in Chatham, Massachusetts. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Chatham
This chart shows the total yearly precipitation in Chatham, Massachusetts, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Chatham
This chart shows the total yearly snowfall in Chatham, Massachusetts, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.
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.
