Climate and monthly weather forecastRehoboth Beach, DE
Climate and monthly weather forecast
The climate of Rehoboth Beach
Rehoboth Beach, in Delaware, USA, falls under the Cfa - predominately classified as a humid subtropical climate, with no dry season. The geographical positioning of Rehoboth Beach plays a significant role in this climatic classification. With year-round weather characterized by humidity and precipitation, Rehoboth Beach exhibits diverse and dynamic climate changes throughout the year.An examination of the data's collection undisputably shows variations within the climatic modules. High temperatures range from 41.4°F (5.2°C) in January gradually heating up to the yearly peak of 80.2°F (26.8°C) in July. In contrast, the nightly low-temperature variances swing between 33.1°F (0.6°C) in January and 73.6°F (23.1°C) in July. The average humidity levels hover within a tight band from 73% in November to 82% in May indicating a generally humid climate throughout the year.
Rainfall in Rehoboth Beach oscillates between 0.31" (8mm) in January to a maximum of 0.71" (18mm) in October. This varied precipitation is further compounded by the shifting number of rainfall days, the least being recorded in November with 4.9 days and the most in July with 10.2 days. A unique weather condition situates in July where the highest temperature aligns with maximum rainy days. Additionally, snowfall predominantly appears in the beginning and the end of the year.
Observation of sunshine trends shows fluctuations from 5.3 hours in December to a sun-soaked 11.1 hours in July. This is further highlighted by more sunshine days leaning towards the less rainy parts of the year. The UV index reflects the sunshine amount, with the highest rating seen in the summer months.
The best time to visit Rehoboth Beach
From a travel perspective, the ideal time to visit Rehoboth Beach certainly depends on personal preferences. However, for those seeking warm temperatures and ultimate sunshine, the months between May and September present the ideal conditions. Temperatures during these months soar from 56.5°F (13.6°C) to 79.2°F (26.2°C), making it a great time for outdoor activities and beach visits. Sunshine hours are highest during these months ranging from 9.1 hours to 11.1 hours, affording plenty of daylight for exploration.The worst time to visit Rehoboth Beach
Visitors not favoring cold temperatures or seeking to avoid sporadic snowfall should consider avoiding the months between December to February. During this period, temperatures drop to lows of 33.1°F (0.6°C) with an average high just above 40°F (4.4°C). It is also the season when the city sees snowfall, totaling about 0.12" (3mm).Spring weather in Rehoboth Beach
Spring commences in Rehoboth Beach with a noticeable rebound in temperature. From March to May, daytime highs rise from 47.3°F (8.5°C) to 65.5°F (18.6°C). With humidity relatively stable between 76% and 82%, the increase in temperatures doesn't result in uncomfortable heat. Concurrently, rainfall remains consistent throughout these spring months averaging around 0.5" (13mm).Summer weather in Rehoboth Beach
Summer in Rehoboth Beach is characterized by warm, humid conditions. With the highest temperature registering at 80.2°F (26.8°C) in July and nighttime temperature rarely falling below 67.6°F (19.8°C). Despite being the hottest time of the year, the area also reports the highest number of rainy days, particularly in July. Sunshine hovers around 10 hours daily, ensuring plenty of time for visitors to enjoy the outdoors.Autumn weather in Rehoboth Beach
Autumn weather in Rehoboth Beach offers respite from the summer heat, with temperatures gradually cooling down from 74.1°F (23.4°C) in September to 54.5°F (12.5°C) by November. Precipitation sees a slight increase to 0.71" (18mm) in October but reduces drastically by November with just 4.9 days of rainfall.Winter weather in Rehoboth Beach
Winters in Rehoboth Beach delve into the cold spectrum, with daytime temperatures staying between 47.3°F (8.5°C) down to 41.4°F (5.2°C) by January. A similar dip in nighttime temperatures is observed, with November starting at 46.8°F (8.2°C) down to 33.1°F (0.6°C) by January. Snowfall is also apparent during this season, complementing the colder days and nights.Weather in January
The new year at Rehoboth Beach, Delaware commences with winter weather. January can be quite cold, with the lowest temperature dropping to 33.1°F (0.6°C) and the highest barely crossing 41.4°F (5.2°C). Characterized by cloudy days and an average of 5.7 days with rain, the city feels the grip of winter. Weather in January »Weather in February
While February remains within the grips of winter, there is a slight rise in temperatures both during the night and the day from the previous month. Yet, the most notable change in February's weather is the decrease in snowfall, with an average of 0.08" (2mm). Weather in February »Weather in March
Moving away from the peak of winter, March experiences rising temperatures and decreasing snowfall, with an average of 0.08" (2mm). The change of season ushers in a time of longer daylight hours and the city starts experiencing more sun and slightly warmer days. Weather in March »Weather in April
April in Rehoboth Beach, Delaware sees temperatures continue to rise, reaching up to an average of 56.5°F (13.6°C). April brings an increase in daylight hours, leading to a more pronounced shift towards spring. The snow has dissipated completely, leaving behind a landscape ready for the blooming of flowers. Weather in April »Weather in May
May is characterized by pleasant weather with average temperatures reaching up to 65.5°F (18.6°C), marking a full transition into spring. Rainfall prevails, creating a comfortable balance between warm temperatures and cooling showers. Weather in May »Weather in June
June signals the advent of summer in Rehoboth Beach, Delaware. Temperatures see a significant increase from May, with an average high of 74.5°F (23.6°C). No snowfall occurs and rainfall decreases, leading to the much-anticipated beach season. Weather in June »Weather in July
July is the heart of summer in Rehoboth Beach, Delaware, bringing along with it the year's highest temperatures, with a top average of 80.2°F (26.8°C). Reduced rainfall and increased sunshine mean more clear days for outdoor activities. Weather in July »Weather in August
August continues the summer vibe, with temperatures staying warm, albeit slightly lower than the peak of July. The average high in August is 79.2°F (26.2°C). The month is characterized by a sustained amount of longer daylight and continued sunshine. Weather in August »Weather in September
September marks the transition from summer to autumn in Rehoboth Beach, Delaware. The temperatures start to decline, and rainfall is reduced compared to August. Sunshine hours decrease as the daylight shortens, marking a change in the seasonal cycle. Weather in September »Weather in October
October shows clear signs of autumn's arrival, with a noticeable drop in temperature. The month's most significant change is the increased rainfall, with an average of 0.71" (18mm) spread over 6.8 days. Sunshine hours continue to reduce, as the daylight decreases. Weather in October »Weather in November
November brings colder weather to Rehoboth Beach, Delaware, with a clear transition into winter. November witnesses the onset of colder nights, with the lowest temperature dropping to an average of 46.8°F (8.2°C). The daylight hours continue to decrease, and the sun shines a little less. Weather in November »Weather in December
December is the advent of winter in Rehoboth Beach, Delaware, with temperatures continuing to fall dramatically from the previous month. Snowfall makes its return in December, albeit a modest average of 0.12" (3mm). The daylight hours are the shortest, and the chilling wind accentuates the low temperatures. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rehoboth Beach, DE
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (41.4°F).
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure
Rehoboth Beach, 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:
30.02"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
Rehoboth Beach, DE
- Average wind speed in January:
13mph - Average wind speed in February:
12.7mph - Average wind speed in March:
12.6mph - Average wind speed in April:
12.4mph - Average wind speed in May:
10.7mph - Average wind speed in June:
9.8mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
8.8mph - Average wind speed in September:
10.6mph - Average wind speed in October:
12.3mph - Average wind speed in November:
12.7mph - Average wind speed in December:
12.6mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity
Rehoboth Beach, DE
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall
Rehoboth Beach, DE
- Average rainfall in January:
0.31" - Average rainfall in February:
0.51" - Average rainfall in March:
0.51" - Average rainfall in April:
0.43" - Average rainfall in May:
0.55" - Average rainfall in June:
0.63"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.63" - Average rainfall in September:
0.28" - Average rainfall in October:
0.71" - Average rainfall in November:
0.51" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is October (0.71").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Rehoboth Beach, DE
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
7.7 days - Average rainfall days in May:
9 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
9.1 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
6.8 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (4.9 days).
Average snowfall
Rehoboth Beach, DE
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Rehoboth Beach, DE
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
1.2 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:
0.5 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rehoboth Beach, DE
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 30min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 36min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Rehoboth Beach, DE
- Average sunshine days in January:
23.5 days - Average sunshine days in February:
21.3 days - Average sunshine days in March:
21.2 days - Average sunshine days in April:
20.7 days - Average sunshine days in May:
19.5 days - Average sunshine days in June:
18.2 days
- Average sunshine days in July:
18.2 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
20 days - Average sunshine days in October:
21.9 days - Average sunshine days in November:
23.4 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is January (23.5 days).
The months with the least sunshine days are June and July (18.2 days).
Average UV index
Rehoboth Beach, 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 and December (UV index 2).
Average cloud cover
Rehoboth Beach, DE
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility
Rehoboth Beach, 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).





