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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Dorchester, New Jersey, with an average temperature fluctuating between 39°F (3.9°C) and 28.4°F (-2°C). During the coldest month, January, temperatures average a high of 39°F (3.9°C) and a low of 28.4°F (-2°C). Weather in January »
Weather in February
February, the last month of the winter in Dorchester, is another cold month, with an average temperature varying between 42.3°F (5.7°C) and 30.6°F (-0.8°C). With the onset of February, the average high-temperature registers at a still wintry 42.3°F (5.7°C), subtly different from January's 39°F (3.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Dorchester, New Jersey, with an average temperature varying between 36.7°F (2.6°C) and 49.5°F (9.7°C). As March begins, there's a slight increase in the average high-temperature, moving from a cold 42.3°F (5.7°C) in February to a frosty 49.5°F (9.7°C). Weather in March »
Weather in April
April is a refreshing spring month in Dorchester, New Jersey, with an average temperature ranging between min 46.8°F (8.2°C) and max 60.6°F (15.9°C). The start of April signals an increase in the average high-temperature, moving from a frosty 49.5°F (9.7°C) in March to a mild 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in Dorchester, is an agreeable month, with an average temperature fluctuating between 69.8°F (21°C) and 55.9°F (13.3°C). May's arrival signals a temperature shift, moving from a moderate 60.6°F (15.9°C) in April to a pleasant 69.8°F (21°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Dorchester, New Jersey, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 64°F (17.8°C). As Dorchester transitions into June, a marginal rise in the average high-temperature is observed, moving from a pleasant 69.8°F (21°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July, like June, in Dorchester, New Jersey, is a moderately hot summer month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 70°F (21.1°C). Dorchester experiences its highest temperatures in July, with an average peak of 83.3°F (28.5°C) and a low of 70°F (21.1°C). Throughout July, the heat index is computed to be a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Dorchester, is another warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 68.5°F (20.3°C). Dorchester notes an average high-temperature of a still moderately hot 82°F (27.8°C) in August, displaying minor variation from July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dorchester, New Jersey, with an average temperature ranging between max 75.9°F (24.4°C) and min 62.8°F (17.1°C). A mild shift in the average high-temperature occurs in September, reducing from 82°F (27.8°C) in August to a still warm 75.9°F (24.4°C). Weather in September »
Weather in October
October, like September, in Dorchester, New Jersey, is another refreshing autumn month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 65.1°F (18.4°C). The start of October comes with a reduction in the average high-temperature, receding from a warm 75.9°F (24.4°C) in September to an enjoyable 65.1°F (18.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Dorchester, New Jersey, with an average temperature varying between 41.9°F (5.5°C) and 54°F (12.2°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a refreshing 65.1°F (18.4°C) in October to a cool 54°F (12.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Dorchester, New Jersey, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 35.4°F (1.9°C). December marks a gentle change in average high-temperature, declining from November's fresh 54°F (12.2°C) to a frosty 45.5°F (7.5°C). Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
In Dorchester, January registers the lowest temperatures, averaging 39°F (3.9°C) at the peak and 28.4°F (-2°C) at the lowest.
What is the driest month?
January is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.75" (19mm) of precipitation.
How much does it rain?
In Dorchester, during the entire year, the rain falls for 132.2 days and collects up to 15.39" (391mm) of precipitation.
When does it snow in Dorchester?
Months with snowfall are January through March, November and December.
When does it snow the most in Dorchester?
The month with the most snowfall is January, when snow falls for 4 days and typically aggregates up to 1.22" (31mm) of snow.
How many days does it snow in Dorchester?
In Dorchester, during the entire year, snow falls for 13 days and aggregates up to 3.58" (91mm) of snow.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 5h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
With an average relative humidity of 73%, April is the least humid month.
When it does not snow?
April through October are months without snowfall.
What is the most humid month?
May and June, with an average relative humidity of 79%, are most humid months in Dorchester.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the hottest time of year?
July, with its average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 70°F (21.1°C), holds the record as the warmest month.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.9h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 14.2 days and accumulates 1.81" (46mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Dorchester, NJ
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure
Dorchester, NJ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Dorchester, NJ
- Average wind speed in January:
9.5mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.5mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Dorchester, NJ
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Dorchester, NJ
- Average rainfall in January:
0.75" - Average rainfall in February:
1.14" - Average rainfall in March:
1.18" - Average rainfall in April:
1.06" - Average rainfall in May:
1.46" - Average rainfall in June:
1.38"
- Average rainfall in July:
1.73" - Average rainfall in August:
1.81" - Average rainfall in September:
1.18" - Average rainfall in October:
1.22" - Average rainfall in November:
1.06" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Dorchester, NJ
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.3 days).
Average snowfall
Dorchester, NJ
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dorchester, NJ
- Average snowfall days in January:
4 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Dorchester, NJ
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Dorchester, NJ
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
17 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.5 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.6 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (12.8 days).
Average UV index
Dorchester, NJ
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Dorchester, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Dorchester, NJ
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dorchester, New Jersey, USA
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