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 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 is accompanied by a slight temperature decrease, with the average high-temperature shifting from a cool 52.3°F (11.3°C) in September to a chilly 44.8°F (7.1°C). October nights anticipate an average temperature of 39.9°F (4.4°C), a modest decline from the daytime.Humidity
In Port Heiden, the average relative humidity in October is 81%.Rainfall
October is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.17" (55mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Port Heiden. In Port Heiden, in October, during 3.9 snowfall days, 0.91" (23mm) of snow is typically accumulated. Throughout the year, there are 83.4 snowfall days, and 23.94" (608mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 19min.On the first day of the month, sunrise is at 8:40 am and sunset at 8:07 pm. On the last day of October, sunrise is at 9:44 am and sunset at 6:51 pm AKDT.
Sunshine
The average sunshine in October is 4.5h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in October translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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?
What is the rainiest month?
How many days does it rain in October?
How many days does it snow in October?
How many hours of daylight does Port Heiden have in October?
When are sunrise and sunset in October?
How many hours of sunshine does Port Heiden have in October?
What is the UV index intensity in October?
Average temperature in October
Port Heiden, AK
- Average high temperature in October: 44.8°F
The warmest month (with the highest average high temperature) is August (56.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in October: 39.9°F
The month with the highest average low temperature is August (49.1°F).
The coldest months (with the lowest average low temperature) are January and March (23.4°F).
Average pressure in October
Port Heiden, AK
- Average pressure in October: 29.61"Hg
The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.54"Hg).
Average wind speed in October
Port Heiden, AK
- Average wind speed in October: 13.7mph
The windiest month (with the highest average wind speed) is December (14.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in October
Port Heiden, AK
- Average humidity in October: 81%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in October
Port Heiden, AK
- Average rainfall in October: 2.17"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is June (0.83").
Average rainfall days in October
Port Heiden, AK
- Average rainfall days in October: 17.4 days
The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is March (7.6 days).
Average snowfall in October
Port Heiden, AK
- Average snowfall in October: 0.91"
The month with the highest snowfall is December (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Port Heiden, AK
- Average snowfall days in October: 3.9 days
The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Port Heiden, AK
- Average daylight in October: 10h and 2min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in October: 4h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in October
Port Heiden, AK
- Average sunshine days in October: 7.7 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is November (6 days).
Average UV index in October
Port Heiden, AK
- Average UV index in October: 2
The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in October
Port Heiden, AK
- Average cloud cover in October: 64
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility in October
Port Heiden, AK
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Port Heiden, Alaska, USA
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