Climate and monthly weather forecastClaymont, DE
Climate and monthly weather forecast
The climate of Claymont
Claymont, Delaware resides in a climate zone classified as Cfa according to the Köppen climate classification. This designation signifies a humid subtropical climate with no dry season. The geographical location allows for significant fluctuations in weather parameters throughout the year.The average temperatures throughout the year range from a low of 25.3°F (-3.7°C) in winter to an impressive high of 84.9°F (29.4°C) in summer. This range indicates a climate conducive to a variety of outdoor activities throughout most of the year. Meanwhile, relative humidity remains relatively constant, fluctuating slightly between 72% in April and 78% in October.
Rainfall varies from 2.36" (60mm) in January peaking at 4.09" (104mm) in August indicating the influence of the subtropical high-pressure system during the summer months. Snowfall, mainly occurring from January to March with occasional snow in November and December, presents a contrast to the otherwise warmer climate. The daylight hours vary between 9.4 hours in December and 15 hours in June, shedding light on the city's varied and dynamic climate.
The best time to visit Claymont
For those favoring milder climates, May to June offers the best time to visit Claymont. During these months, temperatures remain relatively moderate, ranging from 61.3°F (16.3°C) to 79.5°F (26.4°C). In addition, there is an increase in daylight hours, from 13.3 hours in April to a high of 15 hours in June, offering ample time to enjoy outdoor activities.The worst time to visit Claymont
The months of January and February can be challenging for visitors that are not used to colder weather. During this period, average temperatures range from 25.3°F (-3.7°C) to 40.8°F (4.9°C) and snowfall is highest, with values from 2.87" (73mm) in February to 3.03" (77mm) in January.Spring weather in Claymont
Enjoying the transition from cold winter to the warmer months, Spring in Claymont is marked by rising temperatures ranging from 34.7°F (1.5°C) in March to 54.5°F (12.5°C) in May. Rainfall also increases, from 2.95" (75mm) in March to 3.19" (81mm) in May. Combined with increasing daylight hours it offers a pleasant environment for outdoor activities.Summer weather in Claymont
Summers in Claymont are marked by high temperatures from 68.4°F (20.2°C) in June to 84.9°F (29.4°C) in July. With the highest level of daylight hours and the increase in relative humidity, the climate feels hot and humid. The amount of rainfall also increases, benefiting the lush green landscapes.Autumn weather in Claymont
Autumn signifies a shift from the hot and humid conditions of summer. In this season, average temperatures gradually decrease from 66.7°F (19.3°C) in September to 38.8°F (3.8°C) in November. Rainfall reduces during this period, making autumn a good time for outdoor activities and sightseeing.Winter weather in Claymont
Winters in Claymont comprise of lower temperatures, lower daylight hours, and higher snowfall. Average temperatures range from 32.7°F (0.4°C) in December to 25.3°F (-3.7°C) in January. Snowfall peaks in January with 3.03" (77mm). Consequently, Claymont's winters are ideal for snow-related activities despite the short daylight hours.Weather in January
Claymont, Delaware ushers in frigid temperatures and an increased probability of snowfall in January. Highs in the vicinity of 37°F (2.8°C) and lows down to 25.3°F (-3.7°C) bring a chill to the air, accentuated by an average snowfall of 3.03" (77mm) spread across approximately 7 days. Weather in January »Weather in February
February continues the winter theme established in January, albeit with marginally warmer temperatures. Residents can expect highs up to approximately 40.8°F (4.9°C) and lows around 27.7°F (-2.4°C). Snowfall slightly decreases, and February records an average of 2.87" (73mm) of snow. Weather in February »Weather in March
March signals the arrival of spring in Claymont with temperatures ranging from 34.7°F (1.5°C) to 49.3°F (9.6°C). The city sees an increase in precipitation, with average rainfall measures at 2.95" (75mm), making it a slightly wetter month compared to the previous ones. Weather in March »Weather in April
April brings a significant rise in temperature in Claymont, paving the way for mild and pleasant evenings. Temperature highs surge towards 61.3°F (16.3°C), while lows stabilize around 44.6°F (7°C). With the most daylight hours so far at 13.3, it's also the time when residents can enjoy longer, sunnier days. Weather in April »Weather in May
May marks the beginning of warmer weather in Claymont, with temperatures peaking at 71.6°F (22°C) and dipping to a minimum of around 54.5°F (12.5°C). With the most rainfall seen so far this year at 3.19" (81mm), the month can get soggy at times. Weather in May »Weather in June
June is the gateway to summer in Claymont, with average high temperatures peaking around 79.5°F (26.4°C). Temperatures remain comfortable most days, rarely going below 62.8°F (17.1°C). Interestingly, June has the longest daylight hours (15 hours), allowing residents to take full advantage of outdoor activities. Weather in June »Weather in July
July in Claymont is characterized by its hot and mildly humid climate. This month sees the highest temperatures of the year, peaking at 84.9°F (29.4°C) whilst rarely dipping below 68.4°F (20.2°C). Mirroring June's daylight duration, July also boasts long hours of sunlight, around 14.7 hours a day on average. Weather in July »Weather in August
August's weather in Claymont maintains the warmth of July, albeit with slightly lower average temperatures. The month presents an opportunity for those seeking to enjoy the warm summer nights, with the lowest temperature being around 66.7°F (19.3°C). Weather in August »Weather in September
September marks the transition from summer to fall in Claymont. Temperatures start to fall, with highs of 76.3°F (24.6°C) and lows reaching down to 59.9°F (15.5°C). September sees the most sunshine hours with an average of 8.8 hours per day, against a declining daylight duration of 12.4 hours. Weather in September »Weather in October
October ushers in the fall season in earnest with average temperatures falling to 64.6°F (18.1°C) and reaching lows of about 50.2°F (10.1°C). Claymont experiences cooler, crisper air as winds speed up to 7.2mph (11.6km/h). The cloud coverage increases to 41%, while the city's humidity reaches a high of 78%. Weather in October »Weather in November
November in Claymont marks the end of fall and the beginning of winter. The natural shift towards colder weather makes itself evident through temperatures that peak at 52.2°F (11.2°C) and drop as low as 38.8°F (3.8°C). With decreased daylight of 10 hours and high relative humidity of 74%, November prepares for the transition into a quieter, colder season. Weather in November »Weather in December
December brings the arrival of winter with lower average temperatures ranging from 32.7°F (0.4°C) up to 43.7°F (6.5°C). Among the most notable shifts from November is the increase of snowfall reaching 1.54" (39mm) throughout the month. Weather in December »Updated: Jul 8, 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
Claymont's coldest weather arrives in January, when temperatures average a high of 37°F (2.8°C) and a low of 25.3°F (-3.7°C).
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 2.36" (60mm) of precipitation.
Throughout the year, there are 168.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Claymont, Delaware, during the entire year, snow falls for 21.9 days and aggregates up to 12.05" (306mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
With an average of 4.9h of sunshine, February has the least sunshine of the year.
March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 3.58" (91mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Claymont, 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 72%, April is the least humid month in Claymont.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through September are months without snowfall.
June has the longest days of the year, with an average of 14h and 54min of daylight.
In Claymont, July is the warmest month, with temperatures averaging a high of 84.9°F (29.4°C) and a low of 68.4°F (20.2°C).
The month with the most sunshine in Claymont, Delaware, is July, with an average of 10.6h of sunshine.
August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 4.09" (104mm) of precipitation.
The most humid month is October, with an average relative humidity of 78%.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Claymont, DE
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
Claymont, 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:
30.12"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
Claymont, DE
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.2mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Claymont, DE
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Claymont, DE
- Average rainfall in January:
2.36" - Average rainfall in February:
2.56" - Average rainfall in March:
2.95" - Average rainfall in April:
2.87" - Average rainfall in May:
3.19" - Average rainfall in June:
3.07"
- Average rainfall in July:
3.58" - Average rainfall in August:
4.09" - Average rainfall in September:
2.4" - Average rainfall in October:
2.72" - Average rainfall in November:
2.44" - Average rainfall in December:
3.31"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days
Claymont, DE
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Claymont, DE
- Average snowfall in January:
3.03" - Average snowfall in February:
2.87" - Average snowfall in March:
3.58" - 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 (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Claymont, DE
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4.7 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:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Claymont, 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 0min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 0min
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
Claymont, DE
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.8 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:
14.2 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).
Average UV index
Claymont, 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
Claymont, DE
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Claymont, 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).
