What’s the climate like in Dartmouth?
The current climate of Dartmouth features average monthly temperatures ranging from highs of 29°C during the day to lows of 4°C. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around -5°C and in the warmer months around 18°C.
The highest temperature recorded in Dartmouth in recent years was 36°C in July 2020. The lowest daytime temperature recorded was -12°C in January 2019.
On average, Dartmouth gets 1744 mm of precipitation each year. Of this, about 57 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Dartmouth?
The best time to visit Dartmouth for pleasant to warm weather is May through August. There might be some rain during this period, but the temperatures are just right for exploring Dartmouth.
Climate Table of Dartmouth
The climate table of Dartmouth shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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 | 8 | 14 | 20 | 25 | 29 | 28 | 25 | 18 | 13 | 8 |
| Temp. min (°C) | -4 | -4 | -2 | 4 | 9 | 14 | 18 | 18 | 14 | 9 | 2 | -1 |
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| Precipitation (mm) | 130 | 147 | 112 | 98 | 71 | 136 | 160 | 108 | 178 | 228 | 180 | 196 |
| Snow (cm) | 17 | 27 | 6,8 | 1,7 | 0 | 0 | 0 | 0 | 0 | 0,1 | 0,7 | 3,3 |
| UV Index | 2 | 3 | 2 | 6 | 7 | 6 | 7 | 5 | 5 | 3 | 3 | 2 |
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: 17°C
- Highest temperature: 29°C in July
- Lowest temperature: 4°C in January
- Precipitation*: 1744 mm per year, averaging 145 mm per month
- Snowfall: 57 cm per year
- Driest months: 71 mm in May, 98 mm in April and 108 mm in August
- Wettest months: 228 mm in October, 196 mm in December and 180 mm in November
*Precipitation is measured as a combination of rain, snow, and hail
Table of Contents
Average Temperature per Month in Dartmouth
This graph shows the average maximum temperatures per month in Dartmouth, 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 Dartmouth
This graph shows how much precipitation Dartmouth, Massachusetts, gets on average per month. Precipitation 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 precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Dartmouth
This graph shows how much snow Dartmouth, Massachusetts, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Dartmouth
This graph shows the average UV index per month in Dartmouth, Massachusetts. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Dartmouth
This graph shows the average yearly temperature in Dartmouth, 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 Dartmouth
This chart shows the total yearly precipitation in Dartmouth, Massachusetts, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Dartmouth
This chart shows the total yearly snowfall in Dartmouth, Massachusetts, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Dartmouth
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Average Weather in Dartmouth by Month
Click on a month below to see detailed weather info for Dartmouth. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
