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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, like December, in Dover, New Jersey, is a wintry winter month, with an average temperature fluctuating between 20.8°F (-6.2°C) and 34.3°F (1.3°C). In Dover, January records the lowest average temperatures, peaking at 34.3°F (1.3°C) and reaching a low of 20.8°F (-6.2°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Dover, New Jersey, with an average temperature fluctuating between 22.8°F (-5.1°C) and 37.4°F (3°C). The arrival of February brings an average high-temperature of a still icy 37.4°F (3°C), closely following the temperature pattern of January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Dover, New Jersey, with an average temperature ranging between max 45.3°F (7.4°C) and min 30.2°F (-1°C). In March, the average high-temperature marginally rises from a wintry 37.4°F (3°C) in February to a chilly 45.3°F (7.4°C). Weather in March »
Weather in April
April in Dover, New Jersey, is a moderate spring month, with an average temperature ranging between max 57.9°F (14.4°C) and min 40.6°F (4.8°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a chilly 45.3°F (7.4°C) in March to a refreshing 57.9°F (14.4°C). Weather in April »
Weather in May
May, the last month of the spring in Dover, is a pleasant month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 50.5°F (10.3°C). May comes with an increase, with the average high-temperature moving from a mild 57.9°F (14.4°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Dover, New Jersey, with an average temperature varying between 76.6°F (24.8°C) and 57.9°F (14.4°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a pleasant 68.5°F (20.3°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Dover, New Jersey, with an average temperature varying between 82.9°F (28.3°C) and 64°F (17.8°C). The month of July, characterized by an average high of 82.9°F (28.3°C) and a low of 64°F (17.8°C), is recognized as the warmest. The heat index in July is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Dover, is another warm month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.1°F (27.3°C). As Dover steps into August, the average high-temperature is measured at a still warm 81.1°F (27.3°C), displaying minor differences from July's 82.9°F (28.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Dover, New Jersey, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 55.6°F (13.1°C). Dover's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 81.1°F (27.3°C) to a still moderately hot 73.9°F (23.3°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Dover, New Jersey, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 45.9°F (7.7°C). October's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 73.9°F (23.3°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Dover, New Jersey, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 35.2°F (1.8°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's comfortable 61.7°F (16.5°C) to a chilly 49.3°F (9.6°C). Weather in November »
Weather in December
December, the first month of the winter in Dover, is also a wintry month, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.6°F (-1.9°C). Transition into December marks a drop in the average high-temperature, moving from a chilly 49.3°F (9.6°C) in November to an icy 40.1°F (4.5°C). Weather in December »
Updated: Feb 13, 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 time of the year is the coldest in Dover?
January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 20.8°F (-6.2°C), holds the record as the coldest month in Dover.
How much does it rain in Dover?
Throughout the year, there are 81.9 rainfall days, and 6.69" (170mm) of precipitation is accumulated.
When does it snow in Dover?
Months with snowfall in Dover are January through May, October through December.
How much does it snow in Dover?
In Dover, New Jersey, during the entire year, snow falls for 18.1 days and aggregates up to 2.68" (68mm) of snow.
What are the months with the lowest UV index in Dover?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dover.
What is the most humid month in Dover?
The months with the highest humidity in Dover, New Jersey, are February, October and December, with an average relative humidity of 81%.
What is the month with the least sunshine in Dover?
February has the least sunshine of the year, with an average of 4.4h of sunshine.
When does it snow the most in Dover?
The month with the most snowfall is March, when snow falls for 3.8 days and typically aggregates up to 0.79" (20mm) of snow.
When is Daylight Saving Time (DST) in Dover?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dover, 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 in Dover?
April is the least humid month, with an average relative humidity of 75%.
When it does not snow in Dover?
In Dover, snow does not fall in June through September.
When are the longest days in Dover?
June has the longest days of the year in Dover, New Jersey, with an average of 15h and 6min of daylight.
When is the highest UV index in Dover?
The months with the highest UV index in Dover, New Jersey, are June and July, with an average maximum UV index of 6.
What month is the hottest in Dover?
The warmest time of the year is July, with temperatures averaging a high of 82.9°F (28.3°C) and a low of 64°F (17.8°C).
What is the rainiest month in Dover?
July is the month with the most rainfall in Dover. Rain falls for 9.5 days and accumulates 0.79" (20mm) of precipitation.
What month has the most sunshine in Dover?
July has the most sunshine of the year in Dover, New Jersey, with an average of 10.2h of sunshine.
What is the driest month in Dover?
The month with the least rainfall is September, when the rain falls for 6.3 days and typically collects 0.16" (4mm) of precipitation.
What is the month with the shortest days in Dover?
The month with the shortest days in Dover, New Jersey, is December, with an average of 9h and 18min of daylight.
Average temperature
Dover, NJ
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure
Dover, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Dover, NJ
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.2mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Dover, NJ
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Dover, NJ
- Average rainfall in January:
0.43" - Average rainfall in February:
0.43" - Average rainfall in March:
0.51" - Average rainfall in April:
0.51" - Average rainfall in May:
0.67" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.59" - Average rainfall in September:
0.16" - Average rainfall in October:
0.75" - Average rainfall in November:
0.59" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is July (0.79").
The driest month (with the least rainfall) is September (0.16").
Average rainfall days
Dover, NJ
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4 days - Average rainfall days in March:
6.6 days - Average rainfall days in April:
8.2 days - Average rainfall days in May:
8.9 days - Average rainfall days in June:
8.1 days
- Average rainfall days in July:
9.5 days - Average rainfall days in August:
9.1 days - Average rainfall days in September:
6.3 days - Average rainfall days in October:
7.1 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is July (9.5 days).
The month with the least rainy days is February (4 days).
Average snowfall
Dover, NJ
- Average snowfall in January:
0.51" - Average snowfall in February:
0.43" - Average snowfall in March:
0.79" - Average snowfall in April:
0.04" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (0.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dover, NJ
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0.2 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:
0.2 days - Average snowfall days in November:
1 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Dover, NJ
- Average daylight in January:
9h and 4min - 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Dover, NJ
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
20.9 days - Average sunshine days in March:
21.4 days - Average sunshine days in April:
21.2 days - Average sunshine days in May:
19 days - Average sunshine days in June:
19.3 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
19.7 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
22.3 days - Average sunshine days in November:
24.5 days - Average sunshine days in December:
24.1 days
The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (18.3 days).
Average UV index
Dover, NJ
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Dover, NJ
The months with the most cloud cover are February and March (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility
Dover, NJ
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
Dover, New Jersey, USA
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