Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The transition into October indicates a reduction in the average high-temperature, down to a refreshing 65.5°F (18.6°C) from September's moderately hot 77.4°F (25.2°C). The nighttime temperature dips to a cool 52.9°F (11.6°C) on average during October.Humidity
In Herald Harbor, the average relative humidity in October is 75%.Rainfall
In Herald Harbor, during October, the rain falls for 11.3 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Herald Harbor, Maryland, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In Herald Harbor, the average seawater temperature in October is 66.2°F (19°C).Note: When the surface water temperature is 66.2°F (19°C), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop 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 7:02 am and sunset at 6:48 pm. On the last day of October, in Herald Harbor, sunrise is at 7:33 am and sunset at 6:06 pm EDT.
Sunshine
In Herald Harbor, the average sunshine in October is 5.7h.UV index
The average daily maximum UV index in October in Herald Harbor is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in October suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average October temperature in Herald Harbor?
What is the average humidity in October in Herald Harbor?
How much does it rain in Herald Harbor in October?
When it does not snow in Herald Harbor?
Does it snow in Herald Harbor in October?
How cold is the water in October in Herald Harbor?
How many hours of daylight does Herald Harbor have in October?
When is the sunrise / sunset in October in Herald Harbor?
How many hours of sunshine does Herald Harbor have in October?
What is the UV index reading in October in Herald Harbor?
Average temperature in October
Herald Harbor, MD
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in October: 52.9°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in October
Herald Harbor, MD
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Herald Harbor, MD
- Average wind speed in October: 8.1mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in October
Herald Harbor, MD
- Average humidity in October: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in October
Herald Harbor, MD
- Average rainfall in October: 2.64"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in October
Herald Harbor, MD
- Average rainfall days in October: 11.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in October
Herald Harbor, MD
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Herald Harbor, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in October
Herald Harbor, MD
- Average sea temperature in October: 66.1°F
The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).
Average daylight in October /
Average sunshine in October
Herald Harbor, MD
- Average daylight in October: 11h and 1min
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 October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in October
Herald Harbor, MD
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in October
Herald Harbor, MD
- 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, November and December (UV index 2).
Average cloud cover in October
Herald Harbor, MD
- Average cloud cover in October: 37
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in October
Herald Harbor, MD
- 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).
Herald Harbor, Maryland, USA
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