Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Upon the onset of January, Harbor witnesses an average high-temperature of a still fresh 51.8°F (11°C), showing a close resemblance to the prior month. Harbor, in the month of January, notes an average low temperature of 44.2°F (6.8°C), indicating a small decrease from the daytime highs.Humidity
In Harbor, the average relative humidity in January is 80%.Rainfall
In Harbor, in January, it is raining for 16.5 days, with typically 7.8" (198mm) of accumulated precipitation. Throughout the year, there are 130.9 rainfall days, and 47.09" (1196mm) of precipitation is accumulated.Snowfall
In Harbor, snow does not fall in January, March through December.Ocean temperature
January, February and April, with an average ocean temperature of 50.7°F (10.4°C), are months with the coldest seawater.Note: Unprotected swimming in 50.7°F (10.4°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
The average length of the day in January in Harbor is 9h and 32min.On the first day of the month, sunrise is at 7:45 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:30 pm PST.
Sunshine
January has the least sunshine of the year in Harbor, with an average of 4.7h of sunshine.UV index
In Harbor, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during January translates into the following directions:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the average humidity in January in Harbor?
How much does it rain in January?
When it does not snow?
Does it snow in January?
When is the ocean coldest?
How cold is the water in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Harbor, OR
- Average high temperature in January: 51.8°F
The warmest months (with the highest average high temperature) are July and August (68.5°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in January: 44.2°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in January
Harbor, OR
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed in January
Harbor, OR
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is June (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in January
Harbor, OR
- Average humidity in January: 80%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July and September (76%).
Average rainfall in January
Harbor, OR
- Average rainfall in January: 7.8"
The wettest month (with the highest rainfall) is December (8.11").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
Harbor, OR
- Average rainfall days in January: 16.5 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is July (2.2 days).
Average snowfall in January
Harbor, OR
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Harbor, OR
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Harbor, OR
- Average sea temperature in January: 50.8°F
The best month for swimming (with the highest average sea temperature) is July (53.5°F).
The coldest months (with the lowest average sea temperature) are January, February and April (50.8°F).
Average daylight in January /
Average sunshine in January
Harbor, OR
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Harbor, OR
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (11 days).
Average UV index in January
Harbor, OR
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in January
Harbor, OR
- Average cloud cover in January: 49
The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Harbor, OR
- Average visibility in January: 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).
Harbor, Oregon, USA
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