October weather forecastLewes, DE
October
Weather in October
October encompasses the fall season in Lewes, bringing cooler temperatures, pleasant sunshine hours, and increased wind speeds. Temperatures linger between 57.9°F (14.4°C) and 65.3°F (18.5°C), marking a significant drop compared to September. October stands out with shorter daylight hours, pronouncedly different from the long, bright days seen in the previous month. Increased cloud cover and slight increases in rainfall as compared to September exemplify the shift towards winter. The transformative fall season alters the city's palette, offering a scenic contrast to the earlier months.Temperature
A modest decline in the average high-temperature is seen during October, decreasing from a moderately hot 74.1°F (23.4°C) in September to an enjoyable 65.3°F (18.5°C). Lewes's nights in October maintain a consistent average of 57.9°F (14.4°C), demonstrating a minimal differential from its daytime temperature.Humidity
In October, the average relative humidity in Lewes is 76%.Rainfall
In Lewes, during October, the rain falls for 13.4 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Lewes, during the entire year, the rain falls for 173.6 days and collects up to 36.97" (939mm) of precipitation.Snowfall
In Lewes, snow does not fall in April through October.Ocean temperature
In October, the average ocean temperature is 65.8°F (18.8°C).Note: A majority do not enjoy swimming in water at 65.8°F (18.8°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).
Daylight
In October, the average length of the day is 11h and 10min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:27 am and sunset at 6:01 pm EDT.
Sunshine
In Lewes, the average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in October translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Lewes, DE
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in October: 57.9°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in October
Lewes, DE
- Average pressure in October: 30.02"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 in October
Lewes, DE
- Average wind speed in October: 11.7mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in October
Lewes, DE
- Average humidity in October: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in October
Lewes, DE
- Average rainfall in October: 3.5"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in October
Lewes, DE
- Average rainfall days in October: 13.4 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in October
Lewes, DE
- Average snowfall in October: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Lewes, DE
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in October
Lewes, DE
- Average sea temperature in October: 65.8°F
The best month for swimming (with the highest average sea temperature) is August (76.9°F).
The coldest month (with the lowest average sea temperature) is February (40.7°F).
Average daylight in October /
Average sunshine in October
Lewes, DE
- Average daylight in October: 11h and 12min
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 October: 5h and 54min
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 0min).
Average sunshine days in October
Lewes, DE
- Average sunshine days in October: 15.1 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in October
Lewes, DE
- Average UV index in October: 4
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 in October
Lewes, DE
- Average cloud cover in October: 36
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in October
Lewes, DE
- Average visibility in October: 6mi
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).





