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Contents
- The climate of Millsboro
- The best time to visit Millsboro
- The worst time to visit Millsboro
- Spring weather in Millsboro
- Summer weather in Millsboro
- Autumn weather in Millsboro
- Winter weather in Millsboro
- 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
The climate of Millsboro
Millsboro is classified as the Cfa type under the Köppen climate system, a label dedicated to areas with a subtropical, humid climate without a dry season. This American town sits in the midst of diverse weather events, its climate sculpted by the humid subtropical influences. Throughout the year, temperatures swing from 31.5°F (-0.3°C) on the cooler side, up till 82°F (27.8°C) at peak summertime. The humidity in Millsboro remains relatively constant, hovering between 74% and 81% throughout the year.
Rainfall is spread out fairly evenly throughout the year, however, summer months from June to August experience the highest rainfall, with 2.95" (75mm) while the driest months are observed in winter with approximately 1.46" (37mm) in January. The amount of rainfall also means the town sees a considerable number of wet days, from 7.4 in January to 16.7 in July. The town does experience a fair amount of sunshine, with peak hours being 14.8 in June and the least amount of hours in December with 9.5.
While Millsboro is primarily a rainy area, it does see snowfall as well. January typically sees 1.22" (31mm) of snow, while the majority of the rest of the year experiences no snowfall. The variation creates a unique weather pattern—a combination of humid subtropical and winter influences.
Rainfall is spread out fairly evenly throughout the year, however, summer months from June to August experience the highest rainfall, with 2.95" (75mm) while the driest months are observed in winter with approximately 1.46" (37mm) in January. The amount of rainfall also means the town sees a considerable number of wet days, from 7.4 in January to 16.7 in July. The town does experience a fair amount of sunshine, with peak hours being 14.8 in June and the least amount of hours in December with 9.5.
While Millsboro is primarily a rainy area, it does see snowfall as well. January typically sees 1.22" (31mm) of snow, while the majority of the rest of the year experiences no snowfall. The variation creates a unique weather pattern—a combination of humid subtropical and winter influences.
The best time to visit Millsboro
Based on the humidity, temperature, and rainfall data, the best time to visit Millsboro would be between April and June. This time of the year sees temperatures ranging from 59.5°F (15.3°C) to 77°F (25°C), making it the perfect time for outdoor activities. This period has relatively low rainfall, with May seeing the lowest rainfall of the season at 1.65" (42mm).
The worst time to visit Millsboro
Exploring Millsboro might be less pleasant during the months of July and August, when both humidity and temperature levels peak. Temperatures rise up to 82°F (27.8°C) while the relative humidity hovers around 79%. These months also experience the highest rainfall with 2.95" (75mm), making outdoor activities less enjoyable.
Spring weather in Millsboro
Spring ushers in a moderate climate in Millsboro, with temperatures rising steadily from 49.6°F (9.8°C) in March to 68.5°F (20.3°C) in May. Relative humidity stays mostly constant throughout, with a slight increase in May at 81%. The rainfall during spring varies from 2.09" (53mm) in March to 1.65" (42mm) in April.
Summer weather in Millsboro
Summers in Millsboro are noticeably hotter and more humid. The temperatures during this period typically range from 68.5°F (20.3°C) in June to 82°F (27.8°C) in August. The rainfall also peaks during this time of the year, with July and August seeing about 2.95" (75mm) of rainfall each.
Autumn weather in Millsboro
Autumn brings cooling temperatures and less humidity to Millsboro. September starts with temperatures around 75.9°F (24.4°C), cooling off to 54.9°F (12.7°C) by November. Rainfall is relatively high in October with about 2.6" (66mm), before tapering off to 1.89" (48mm) in November.
Winter weather in Millsboro
Winters in Millsboro hosts cooler temperatures, with lows of 31.5°F (-0.3°C) in January and highs of 47.5°F (8.6°C) in December. It's also the season when Millsboro sees its snowfall, with January and December witnessing approximately 1.22" (31mm) and 0.43" (11mm) consecutively. While winters are generally drier, rainfall tends to rise in December with 1.69" (43mm).
Weather in January
January swings in with a prevalent chill, embracing Millsboro with temperatures anywhere from 31.5°F (-0.3°C) to 41.7°F (5.4°C). This period sees an increase in humidity, resulting in relatively low clouds covering 41% of the sky. Weather in January »
Weather in February
Transitioning from January to February, Millsboro witnesses only a slight rise in temperatures. Snowfalls persist but reduce to 1.02" (26mm) and fresh snow adorns the city on 2.7 days of the month. Though the days are slightly longer with 10.8 daylight hours, February sees the least amount of sun with just 5.1 hours of sunshine per day. Weather in February »
Weather in March
Arriving into spring, March sees a significant rise in temperature, reinforcing the pleasant appeal of Millsboro's weather. The city receives highest rainfall of 2.09" (53mm), refreshing the cityscape with renewed bloom. Snowfall records 0.43" (11mm), marking the lowering of winter's curtain. Weather in March »
Weather in April
April provides a refreshing breather with temperatures soaring as high as 59.5°F (15.3°C) and hitting lows as much as 48.4°F (9.1°C). A relatively drier month, April experiences rainfall on 13.4 days. Despite the showers, sunshine hours peak to a pleasing 9 hours daily, paving way to a cheerfully warm season. Weather in April »
Weather in May
May brings the onset of summer, and Millsboro basks in the warmth of increased temperatures. Rainfall levels in May peak to 2.13" (54mm), thus maintaining the city's lush green landscape. The daylight hours expand to 14.3 hours and sunshine hours also reach 9.3 hours per day. Weather in May »
Weather in June
June stands out as the month when Millsboro receives the highest amount of sunshine with an impressive 10.5 hours per day. The city experiences a visible rise in temperature, further amplifying the summer heat. Despite this, the average relative humidity hangs around a comfortable 79%. Weather in June »
Weather in July
In the peak of summer, July showcases the highest average temperatures in Millsboro. This month accumulates the most rainfall reaching to 2.95" (75mm), ensuring the city remains verdant despite the heat. The daylight hours are extended to 14.6 hours, presenting an extended daytime to enjoy outdoor recreations. Weather in July »
Weather in August
With August, Millsboro retains similar weather patterns to July, albeit with a minor drop in temperatures. The city witnesses the same amount of rainfall as the previous month, continuing to nourish the city's flora and fauna. The average wind speed drops again, reaching 7.3mph (11.7km/h), thus allowing for a serene atmosphere. Weather in August »
Weather in September
As summer fades into fall, September in Millsboro showcases a notable decrease in temperature. The rainfall drops to 1.73" (44mm), indicating the beginning of a drier period. The daylight hours are reduced to 12.4 hours, indicating the onset of shorter days. Weather in September »
Weather in October
October marks the heart of Fall in Millsboro with cooling temperatures and changing landscapes. Rainfall sees a rise reaching 2.6" (66mm), a welcome change after the preceding drier month. The average wind speed escalates to 10.2mph (16.4km/h), instilling a fresh and lively aura throughout the city. Weather in October »
Weather in November
November brings the chill of winter back to Millsboro with a visible drop in average temperatures. Rainfall levels lower, recording 1.89" (48mm), and maintaining the city's picturesque nature. Snow begins to lightly grace the cityscape recording 0.28" (7mm), officially welcoming winter. Weather in November »
Weather in December
December in Millsboro ushers in the height of winter chill, with the least average temperatures in the year. Snowfall increases to 0.43" (11mm), adorning the city with a sheet of pristine white. As the city dims slightly with just 9.5 hours of daylight, December wraps up the year with a cozy winter ambiance. Weather in December »
Updated: Jul 12, 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 part of the year is the coldest?
Millsboro reaches its average lowest temperatures in January, measuring 41.7°F (5.4°C) at the peak and 31.5°F (-0.3°C) at the lowest.
What is the least humid month?
The months with the lowest humidity are January and November, with an average relative humidity of 74%.
What is the driest month?
The month with the least rainfall in Millsboro is January, when the rain falls for 7.4 days and typically collects 1.46" (37mm) of precipitation.
How much does it rain?
Throughout the year, there are 146.8 rainfall days, and 25.2" (640mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 3.1 days and typically aggregates up to 1.22" (31mm) of snow.
How much does it snow?
Throughout the year, there are 9.4 snowfall days, and 3.39" (86mm) of snow is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 5.1h 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.
When it does not snow?
April through October are months without snowfall.
What is the most humid month?
May is the most humid month, with an average relative humidity of 81%.
What are the months 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 48min of daylight, June has the longest days of the year.
What is the hottest time of year?
July, on average, is the warmest month, registering a high temperature of 82°F (27.8°C) and a low of 71.6°F (22°C).
What is the wettest month?
The wettest months are July and August, with an average 2.95" (75mm) of rainfall.
What month has the most sunshine?
With an average of 11h of sunshine, July has the most sunshine of the year.
What is the month with the shortest days?
The month with the shortest days in Millsboro is December, with an average of 9h and 30min of daylight.
Average temperature
Millsboro, DE
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
Millsboro, DE
- 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:
30"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:
30.1"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
Millsboro, DE
- Average wind speed in January:
11.1mph - Average wind speed in February:
11.1mph - Average wind speed in March:
11.1mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.8mph - Average wind speed in October:
10.2mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.5mph
The windiest months (with the highest average wind speed) are January, February and March (11.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity
Millsboro, DE
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall
Millsboro, DE
- Average rainfall in January:
1.46" - Average rainfall in February:
1.77" - Average rainfall in March:
2.09" - Average rainfall in April:
1.65" - Average rainfall in May:
2.13" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.95" - Average rainfall in September:
1.73" - Average rainfall in October:
2.6" - Average rainfall in November:
1.89" - Average rainfall in December:
1.69"
The wettest months (with the highest rainfall) are July and August (2.95").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days
Millsboro, DE
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall
Millsboro, DE
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
Millsboro, DE
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.5 days - Average snowfall days in April:
0 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:
0.2 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Millsboro, DE
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 3min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 3min - 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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Millsboro, DE
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (12.2 days).
Average UV index
Millsboro, DE
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 and December (UV index 2).
Average cloud cover
Millsboro, DE
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Millsboro, DE
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).
Millsboro, Delaware, USA
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