Climate and monthly weather forecastNewark, DE
Climate and monthly weather forecast
The climate of Newark
Newark, Delaware, USA is positioned in the Köppen climate classification as Cfa - a humid subtropical climate with no dry season. In this climate zone, residents experience a wide range of weather throughout the year. Temperatures vary from a low of 25.7°F (-3.5°C) in the coldest month to a high of 84.7°F (29.3°C) during the warmest period. Humidity levels persistently hover around the mid-70s percentile, indicating consistent moisture in the atmosphere year round.Rainfall is distributed fairly evenly throughout the year in Newark, with the heaviest rainfall months witnessed from July to August, where averages reach up to 4.17" (106mm). Contrastingly, September experiences the least rainfall with 2.36" (60mm). The corresponding rainfall days fluctuate from 9.3 days in January to a maximum of 19 days in May. Snow is sparse, with most accumulation noted from January to March, reaching a peak of 2.76" (70mm) and then witnessing a drastic drop to virtually zero from April onwards.
Daylight hours understandably increase from a minimum of 9.7 hours in January to a maximum of 14.9 hours in June, before decreasing again. The amount of sunshine, however, does not follow a similar pattern and peaks in July with 10.8 hours a day. Visibility remains a steady 6 miles throughout the year with negligible variation. Cloud coverage gradually increases from 30% in July to 45% in December.
The best time to visit Newark
With ideal weather conditions marked by warm temperatures and ample sunshine, the summer months from June to August provide the best time to explore Newark. During this period, the weather is pleasantly warm with average high temperatures ranging between 79.7°F (26.5°C) to 84.7°F (29.3°C). As the warm season progresses, the city sees the longest daylight periods, with up to 14.9 hours of daylight in June and relative humidity levels of around 76 to 77%, indicative of a moderately humid climate.The worst time to visit Newark
The cold season from December to February is generally considered a less desirable time for visits. During these months, the average high temperatures fall to between 37.8°F (3.2°C) and 44.1°F (6.7°C). Moreover, daylight hours are notably shorter during this period with averages of only 9.4 to 9.7 hours per day. Yet, for those who enjoy winter landscapes, December also carries a certain allure, even though it is the coldest and cloudiest month of the year.Spring weather in Newark
Spring, spanning from March to May, sees a steady warming trend in Newark, starting with average highs of 49.6°F (9.8°C) in March and escalating to a comfortable 71.6°F (22°C) by May. Rainfall tends to increase, with May averaging the highest number of rainy days - 19 in total. As spring progresses, daylight hours increase from 12 to 14.4 hours per day, offering longer periods to explore and enjoy the outdoors.Summer weather in Newark
Summer in Newark, from June to August, offers the warmest and longest days of the year. Average high temperatures range between 79.7°F (26.5°C) and 84.7°F (29.3°C), accompanied by an average of 14.8 hours of daylight in June. Though humidity can rise to 77%, the number of rainfall days decreases from 19 in May to 17 in June.Autumn weather in Newark
The onset of autumn in September brings a drop in temperature with averages decreasing from 76.5°F (24.7°C) to 52.9°F (11.6°C) by November. Despite the decline in temperature, rainfall decreases and the number of daylight hours decreases steadily from 12.4 hours in September to 10 hours in November.Winter weather in Newark
Winter in Newark is generally cold with average high temperatures dropping from 44.1°F (6.7°C) in December to 37.8°F (3.2°C) in January. January also observes the highest snowfall with an average accumulation of 2.28" (58mm). Despite the longer nights and shorter days, the winter charm predominantly attracts those enthusiastic about the cold season.Weather in January
Although January might not be the ideal month for outdoor pursuits in Newark, Delaware, the city's scenery undergoes a beautiful transformation beneath a delicate sheet of snow. One noteworthy characteristic of January is that it endures the coldest temperatures of the year with lows plunging to 25.7°F (-3.5°C) and highs barely scratching 37.8°F (3.2°C). Weather in January »Weather in February
In February, Newark weather continues its wintry trend. Temperatures range from 28°F (-2.2°C) to 41.5°F (5.3°C), yet this colder weather does not discourage activities like ice skating or visiting indoor attractions. Between January and February, temperatures start to show a modest rise and the daylight hours increase by an hour, hinting at the arrival of spring. Weather in February »Weather in March
March marks the onset of spring, bringing with it a thawing of the landscape and the return of vibrant green foliage. Temperatures in this month rise to a high of 49.6°F (9.8°C). Ghosts of winter vacate scene as snowfall significantly declines in comparison to February, signaling an end to winter activities. Weather in March »Weather in April
April marks a significant escalation in temperatures, with the arrival of moderately warmer days and the exciting onset of spring activities. The most significant climatic change is the increase in highest temperatures to 61.5°F (16.4°C), breaking the barrier of cold days that prevailed in the first quarter of the year. Weather in April »Weather in May
May’s weather illuminates Newark in a brilliant light, graced by lush green landscapes and clear, sunny skies. Temperatures rise significantly, reaching a high of 71.6°F (22°C), making it a favorite month for sightseeing and outdoor activities. Weather in May »Weather in June
June in Newark heralds the onset of summer, attracting visitors with its warm climate and longer days. Temperatures often peak at 79.7°F (26.5°C), inducing a widespread switch in activities and wardrobe. Hiking, cycling, and brunching outdoors become common weekend pastimes. Weather in June »Weather in July
July in Newark is characterized by high temperatures, maxing out at 84.7°F (29.3°C), along with the promise of long, sunny days smattered with occasional rainfall. This period marks the zenith of summer, bringing with it a series of vibrant outdoor events such as concerts, food festivals, and more. Weather in July »Weather in August
August brings sultry heat and sunny days to Newark, but slightly lower temperatures than July, the highs resting at around 82.9°F (28.3°C). These conditions suit those seeking out tranquil water bodies or shaded park explorations. Weather in August »Weather in September
September marks the descent into the fall season, with temperatures beginning to cool and the landscape transitioning to hues of orange and yellow. Highest temperatures during the day hover around 76.5°F (24.7°C), a relief after the intense summer heat. Weather in September »Weather in October
October is characterized by the full sway of the fall season, casting a gorgeous, rustic vibe over Newark. As the days grow shorter and the temperatures continue to fall, the city gears up for Halloween-themed events and pumpkin picking adventures. Weather in October »Weather in November
The arrival of November brings about an unmistakable chill in Newark, as the month marks the transition to winter. Average high temperatures dip as low as 52.9°F (11.6°C), replacing the mildness of previous months. As trees shed their leaves, the air fills with the familiar scent of autumn, and the city itself slips quietly into the holiday spirit. Weather in November »Weather in December
Rounding out the year, December in Newark is a festive, wintery period with temperatures falling further to 44.1°F (6.7°C) at the highest. The city transforms into a winter wonderland, adorned with festive lights and holiday decorations. Weather in December »Updated: Feb 10, 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
The coldest period in Newark is January, when temperatures fluctuate between an average high of 37.8°F (3.2°C) and a low of 25.7°F (-3.5°C).
January is the month with the least rainfall in Newark, Delaware. Rain falls for 9.3 days and accumulates 2.24" (57mm) of precipitation.
In Newark, during the entire year, the rain falls for 168.9 days and collects up to 34.84" (885mm) of precipitation.
January through May, November and December are months with snowfall in Newark.
In Newark, during the entire year, snow falls for 18.1 days and aggregates up to 8.86" (225mm) of snow.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newark, Delaware.
February has the least sunshine of the year in Newark, with an average of 5h of sunshine.
The month with the most snowfall in Newark is March, when snow falls for 3.8 days and typically aggregates up to 2.76" (70mm) of snow.
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.
With an average relative humidity of 73%, April is the least humid month.
The months with the highest humidity are May, September and October, with an average relative humidity of 78%.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
In Newark, snow does not fall in June through October.
June has the longest days of the year in Newark, Delaware, with an average of 14h and 54min of daylight.
July is the month that records the highest temperatures in Newark, with averages ranging from a high of 84.7°F (29.3°C) to a low of 68°F (20°C).
July has the most sunshine of the year in Newark, with an average of 10.8h of sunshine.
August is the month with the most rainfall in Newark. Rain falls for 17 days and accumulates 4.17" (106mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Newark, DE
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Newark, 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:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Newark, DE
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Newark, DE
The months with the highest relative humidity are May, September and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Newark, DE
- Average rainfall in January:
2.24" - Average rainfall in February:
2.48" - Average rainfall in March:
2.68" - Average rainfall in April:
2.76" - Average rainfall in May:
3.15" - Average rainfall in June:
2.99"
- Average rainfall in July:
3.78" - Average rainfall in August:
4.17" - Average rainfall in September:
2.36" - Average rainfall in October:
2.72" - Average rainfall in November:
2.4" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days
Newark, DE
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
19 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
17 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Newark, DE
- Average snowfall in January:
2.28" - Average snowfall in February:
1.81" - Average snowfall in March:
2.76" - Average snowfall in April:
0.31" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Newark, DE
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
5 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
2.9 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Newark, DE
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Newark, DE
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
11 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.7 days).
Average UV index
Newark, 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, February, November and December (UV index 2).
Average cloud cover
Newark, DE
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Newark, 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).
