October weather forecast
Herald Harbor, MD

Weather in October

October, the same as September, is another enjoyable autumn month in Herald Harbor, Maryland, with average temperature ranging between min 52.9°F (11.6°C) and max 65.5°F (18.6°C).

Temperature

In October, the average high-temperature drops, from a moderately hot 77.4°F (25.2°C) in September, to a comfortable 65.5°F (18.6°C). In Herald Harbor, in October, the average low-temperature is 52.9°F (11.6°C).

Humidity

In October, the average relative humidity in Herald Harbor, Maryland, is 75%.

Rainfall

In October, in Herald Harbor, the rain falls for 11.3 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

In Herald Harbor snow does not fall in May through October.

Ocean temperature

In Herald Harbor, the average seawater temperature in October is 66.2°F (19°C).
Note: For most, swimming in 66.2°F (19°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Herald Harbor, the average length of the day in October is 11.2h.

Sunshine

In October, the average sunshine in Herald Harbor is 5.7h.

UV index

In Herald Harbor, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in October transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the average humidity in October in Herald Harbor?

In October, the average relative humidity in Herald Harbor is 75%.

How many days does it rain in October in Herald Harbor?

In Herald Harbor, in October, during 11.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Herald Harbor?

In Herald Harbor snow does not fall in May through October.

Does it snow in Herald Harbor in October?

In Herald Harbor, Maryland, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October in Herald Harbor?

In Herald Harbor, in October, the average water temperature is 66.2°F (19°C). For most, swimming in 66.2°F (19°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in October in Herald Harbor?

In October, the average length of the day in Herald Harbor is 11.2h.

How long on average sun shines in October in Herald Harbor?

The average sunshine in October in Herald Harbor is 5.7h.

How high is the UV index in October in Herald Harbor?

In October, the average daily maximum UV index in Herald Harbor is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in October
Herald Harbor, MD

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).

[Resources]

Average pressure in October
Herald Harbor, MD

Average pressure in October - Herald Harbor, MD
  • Average pressure in October: 30.03"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.94").

[Resources]

Average wind speed in October
Herald Harbor, MD

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).

[Resources]

Average humidity in October
Herald Harbor, MD

Average humidity in October - Herald Harbor, MD
  • Average humidity in October: 75%

The month with the highest relative humidity is May (78%).
Months with the lowest relative humidity are January, March, April and November (72%).

[Resources]

Average rainfall in October
Herald Harbor, MD

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").

[Resources]

Average rainfall days in October
Herald Harbor, MD

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).

[Resources]

Average snowfall in October
Herald Harbor, MD

Average snowfall in October - Herald Harbor, MD
  • Average snowfall in October: 0"

The month with the highest snowfall is January (2.05").
Months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in October
Herald Harbor, MD

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in October
Herald Harbor, MD

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).

[Resources]

Average daylight in October /
Average sunshine in October
Herald Harbor, MD

Average daylight in October / Average sunshine in October - Herald Harbor, MD
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 5.7h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5.1h).

[Resources]

Average sunshine days in October
Herald Harbor, MD

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).

[Resources]

Average UV index in October
Herald Harbor, MD

Average UV index in October - Herald Harbor, MD
  • Average UV index in October: 4

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, November and December (UV index 2).

[Resources]

Average cloud cover in October
Herald Harbor, MD

Average cloud cover in October - Herald Harbor, MD
  • Average cloud cover in October: 37

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).

[Resources]

Average visibility in October
Herald Harbor, MD

Average visibility in October - Herald Harbor, MD
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location