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
In Herald Harbor, entering October brings a temperature decrement, reducing from September's warm 77.4°F (25.2°C) to an enjoyable 65.5°F (18.6°C). Nighttime temperature experiences an average drop to a cool 52.9°F (11.6°C) in October.Humidity
In October, the average relative humidity 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 October, the average ocean temperature is 66.2°F (19°C).Note: Swimming is not a pleasant activity for most individuals in 66.2°F (19°C). Breathing becomes increasingly challenging to control as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Herald Harbor, the average length of the day in October 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, sunrise is at 7:33 am and sunset at 6:06 pm EDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during October translates into the following directions:
Be vigilant - Preventing sunburn is recommended. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October?
How much does it rain in October?
When it does not snow?
Does it snow in October?
What is the ocean temperature in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
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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