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Contents
- The climate of Harrington
- The best time to visit Harrington
- The worst time to visit Harrington
- Spring weather in Harrington
- Summer weather in Harrington
- Autumn weather in Harrington
- Winter weather in Harrington
- 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 Harrington
Harrington, Delaware, U.S. lies within the Köppen climate classification labeled Cfa, indicating a humid subtropical climate with no dry season. This coastal, moderately populated city experiences balanced temperature fluctuations and substantial rainfall throughout the year.
From a broad perspective, temperatures rise from a mild winter, through a rejuvenating spring, towards a warm summer, before falling via a cooling autumn. The lowest average low temperature is registered at 28.8°F (-1.8°C) in January while the highest average high temperature reaches 84.2°F (29°C) in July. This suggests a significant fluctuation in temperatures from the chilly throes of winter to the balmy core of summer.
Humidity levels maintain a relatively constant presence, hovering at around 74% to 79% on an annual basis, creating a relatively humid environment throughout the year. Meanwhile, rainfall extends beyond 2.13" (54mm) in January to a maximum of 3.9" (99mm) in August. Despite variations in overall volumes, rainfall is a common occurrence throughout the year. This is also reflected in the number of rainfall days, which reaches a peak in July with 18.8.
Intriguing elements in Harrington's weather include its low levels of snowfall and fluctuating daylight hours. Recorded snowfall is predominantly seen in the winter months from 0.94" (24mm) in December to 1.93" (49mm) in January, with largely negligible amounts for the rest of the year. Noticeably, daylight hours show a distinct fluctuation from 9.8 hours in January to 14.9 hours in June, indicating the distinctive transformation of seasons.
From a broad perspective, temperatures rise from a mild winter, through a rejuvenating spring, towards a warm summer, before falling via a cooling autumn. The lowest average low temperature is registered at 28.8°F (-1.8°C) in January while the highest average high temperature reaches 84.2°F (29°C) in July. This suggests a significant fluctuation in temperatures from the chilly throes of winter to the balmy core of summer.
Humidity levels maintain a relatively constant presence, hovering at around 74% to 79% on an annual basis, creating a relatively humid environment throughout the year. Meanwhile, rainfall extends beyond 2.13" (54mm) in January to a maximum of 3.9" (99mm) in August. Despite variations in overall volumes, rainfall is a common occurrence throughout the year. This is also reflected in the number of rainfall days, which reaches a peak in July with 18.8.
Intriguing elements in Harrington's weather include its low levels of snowfall and fluctuating daylight hours. Recorded snowfall is predominantly seen in the winter months from 0.94" (24mm) in December to 1.93" (49mm) in January, with largely negligible amounts for the rest of the year. Noticeably, daylight hours show a distinct fluctuation from 9.8 hours in January to 14.9 hours in June, indicating the distinctive transformation of seasons.
The best time to visit Harrington
With its humid subtropical climate, the best time to visit Harrington is during the warm months of summer between May to September when the average high temperatures range from 70.9°F (21.6°C) to 84.2°F (29°C). The daylight hours during this time are ample, from 14.3 hours in May to 14.6 hours in July, providing longer days to explore the city. Summer also receives the highest amount of sunshine, especially in July with 10.6 hours per day on average, making it ideal for outdoor activities and sightseeing.
The worst time to visit Harrington
The colder months from November to February can be considered as the less favorable time to visit Harrington. Average low temperatures during these months hover between 28.8°F (-1.8°C) to 42.3°F (5.7°C), and there is a higher likelihood of snowfall, especially in January with an average of 1.93" (49mm). The average daylight hours are also quite brief during this period, restricting outdoor activities.
Spring weather in Harrington
Harrington experiences a mild and wet spring season between March to May. Average high temperatures gradually rise from 50.5°F (10.3°C) in March, reaching a comfortable 70.9°F (21.6°C) in May. Rainfall drops slightly from 2.87" (73mm) in March to 2.48" (63mm) in April and then rises to 3.11" (79mm) in May, indicating some inconsistency in precipitation during this period.
Summer weather in Harrington
Summers in Harrington are generally warm and humid, with temperatures rising steadily from June through August. The highest average temperature occurs in July at 84.2°F (29°C). Rainfall remains relatively steady during the summer months, from 3.43" (87mm) in June to 3.9" (99mm) in August.
Autumn weather in Harrington
As the summer heat subsides, Harrington transitions into autumn from September to November. Average high temperatures steadily drop from 76.5°F (24.7°C) in September to a cooler 54.5°F (12.5°C) in November. Rainfall in this period varies from 2.44" (62mm) in September to 2.4" (61mm) in November, making autumn comparatively drier than the preceding summer months.
Winter weather in Harrington
Winter months from December to February display the lowest temperatures of the year, with the average high temperatures ranging from 46.4°F (8°C) in December down to 40.3°F (4.6°C) in January. Snowfall is primarily seen in these colder months with peaks at 1.93" (49mm) in January and 0.94" (24mm) in December. The average daylight hours drop to its yearly lowest at 9.5 hours in December, signifying shorter and colder days.
Weather in January
In Harrington, Delaware, the beginning of the year is marked by moderate temperatures and the highest snowfall with a record of 1.93" (49mm). The low temperatures make snow activities fun while remaining cool and fresh. The area experiences limited daylight, giving it a calming winter ambiance. Weather in January »
Weather in February
February observes a slight increase in temperature from the previous month, but it remains on the cooler side. The snowfall tends to decrease to 1.14" (29mm). Sunshine hours expand a bit, hinting at the noticeable approach of spring. Weather in February »
Weather in March
March in Harrington, Delaware, yields warmer temperatures compared to the first two months. The snowfall ceases as the average temperature escalates to 50.5°F (10.3°C). This signifies the official arrival of the spring season. March also witnesses a rise in sunlight hours, diversifying the range of outdoor activities that residents and tourists can partake in. Weather in March »
Weather in April
April is an enjoyable month in Harrington, Delaware, as temperature elevates further to 61.5°F (16.4°C). This month witnesses the trees and flowers blooming, signifying the full emergence of spring. There is a noticeable increase in daylight hours which further enhances the outdoor activities. Weather in April »
Weather in May
In May, the weather begins to heat up in Harrington, reaching an average temperature of 70.9°F (21.6°C). The month experiences the highest rainfall of 3.11" (79mm) indicating the onset of the humid summer season. However, this increase in rainfall comes with an extended daily sunshine span making it lively and vibrant. Weather in May »
Weather in June
Harrington, Delaware, experiences the real heat of the summer in June as the temperature rises to 79.3°F (26.3°C). The daylight hours extend further marking the longest days of the year. This gives residents and tourists ample time to relish in summer activities. Weather in June »
Weather in July
July is the hottest month in Harrington. The temperature hits its peak at 84.2°F (29°C), and it also sees the most daylight hours. This contributes to the lively summer spirit that takes a hold of Harrington. The evenings are warm and humid, perfect for barbecues and open-air events. Weather in July »
Weather in August
August in Harrington sees a slight decline in temperature to 82.2°F (27.9°C), ending the peak heat period. The amount of daily sunshine remains high, supporting an array of outdoor activities. It also brings a notable descent in the humidity level, making this month slightly more tolerable than July. Weather in August »
Weather in September
September observes a further drop in temperature to 76.5°F (24.7°C), transitioning Harrington into the autumn season. The rainfall, however, decreases to 2.44" (62mm) compared to the preceding August, revealing an observable drying trend. Weather in September »
Weather in October
October ushers in the autumn in earnest with temperatures dropping to an average of 65.8°F (18.8°C). This month is known for providing the city's residents and tourists the most comfortable weather conditions. The mild fall weather makes it ideal for exploring the natural beauty of Harrington without the intense summer heat. Weather in October »
Weather in November
November exhibits a marked decrease in temperature to 54.5°F (12.5°C) in Harrington, Delaware. This month signifies the arrival of late autumn, the precursor to winter, and is characterized by shorter daylight hours and the onset of the colder conditions. Weather in November »
Weather in December
December marks the advent of winter with average temperatures succumbing to 46.4°F (8°C). Snowfall returns to Harrington with a december average of 0.94" (24mm). As the daylight hours contract, many welcome the festive season, enjoying the cool, crisp weather that December offers. Weather in December »
Updated: Aug 25, 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?
In Harrington, January is known for its average lowest temperatures, reaching a high of 40.3°F (4.6°C) and a low of 28.8°F (-1.8°C).
What is the least humid month in Harrington?
January, March, April and November, with an average relative humidity of 74%, are the least humid months.
What is the driest month?
January is the month with the least rainfall. Rain falls for 9.5 days and accumulates 2.13" (54mm) of precipitation.
How many days does it rain?
In Harrington, during the entire year, the rain falls for 167.5 days and collects up to 35.35" (898mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 4.3 days and typically aggregates up to 1.93" (49mm) of snow.
How many days does it snow?
In Harrington, during the entire year, snow falls for 12.5 days and aggregates up to 5.94" (151mm) of snow.
What is the month with the lowest UV index?
January 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?
With an average of 4.9h of sunshine, February has the least sunshine of the year.
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 are the most humid months?
May, August and September, with an average relative humidity of 79%, are most humid months in Harrington.
When it does not snow in Harrington?
May through October are months without snowfall.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
June has the longest days of the year in Harrington, with an average of 14h and 54min of daylight.
What time of the year is the hottest?
Harrington's temperatures peak on average in July, reaching 84.2°F (29°C) at their highest and 69.8°F (21°C) at their lowest.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.6h of sunshine.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 3.9" (99mm) 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
Harrington, DE
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Harrington, 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:
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:
30.1"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
Harrington, DE
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Harrington, DE
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
Harrington, DE
- Average rainfall in January:
2.13" - Average rainfall in February:
2.6" - Average rainfall in March:
2.87" - Average rainfall in April:
2.48" - Average rainfall in May:
3.11" - Average rainfall in June:
3.43"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days
Harrington, DE
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
9 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).
Average snowfall
Harrington, DE
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harrington, DE
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.1 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:
2.1 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Harrington, 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 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 1min - 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 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Harrington, DE
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
12 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index
Harrington, 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
Harrington, DE
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Harrington, 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).
Harrington, Delaware, USA
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