January weather forecast
Milwaukie, OR

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Weather in January

The chill of winter becomes truly noticeable in Milwaukie, Oregon with low temperatures averaging around 35.2°F (1.8°C), combined with an elevated relative humidity of approximately 83%. January's weather can also be characterized by its limited daylight hours, accompanied by frosty mornings and cold evenings that warrant extra layers of clothing. Snowfall remains a rare occurrence, meanwhile, the smattering of rain renders the city a sight to behold, shrouded in a soft mist. The prevailing winter winds add to an overall sensation of cold that marks the first month of the year in Milwaukie.

Temperature

January's presence records an average high-temperature of a still chilly 46.2°F (7.9°C), closely mirroring December's climate. Milwaukie's temperature drops to an average low of 35.2°F (1.8°C) during the nights of January.

Humidity

In Milwaukie, the average relative humidity in January is 83%.

Rainfall

In January, the rain falls for 17.9 days. Throughout January, 4.25" (108mm) of precipitation is accumulated. In Milwaukie, during the entire year, the rain falls for 172.2 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In January, it is snowing for 1.5 days. Throughout January, 0.94" (24mm) of snow is accumulated. In Milwaukie, during the entire year, snow falls for 6.5 days and aggregates up to 4.13" (105mm) of snow.

Daylight

The average length of the day in January is 9h and 12min.
On the first day of January, sunrise is at 7:50 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:15 pm PST.

Sunshine

In January, the average sunshine is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average January temperature?

The high-temperature, in January, in Milwaukie, is 46.2°F (7.9°C), while the low-temperature averages to 35.2°F (1.8°C).

What is the average humidity in January?

In Milwaukie, the average relative humidity in January is 83%.

How many days does it rain in January?

In Milwaukie, in January, it is raining for 17.9 days, with typically 4.25" (108mm) of accumulated precipitation.

How much does it snow in January?

In January, it is snowing for 1.5 days. Throughout January, 0.94" (24mm) of snow is accumulated.

How many hours of daylight does Milwaukie have in January?

In Milwaukie, Oregon, the average day length in January is 9h and 12min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:50 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:15 pm PST.

How many hours of sunshine does Milwaukie have in January?

In January, the average sunshine duration is 4.3h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Milwaukie, OR

Average temperature in January - Milwaukie, OR
  • Average high temperature in January: 46.2°F

The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).

Average pressure in January
Milwaukie, OR

Average pressure in January - Milwaukie, OR
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in January
Milwaukie, OR

Average wind speed in January - Milwaukie, OR
  • Average wind speed in January: 6mph

The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in January
Milwaukie, OR

Average humidity in January - Milwaukie, OR
  • Average humidity in January: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).

Average rainfall in January
Milwaukie, OR

Average rainfall in January - Milwaukie, OR
  • Average rainfall in January: 4.25"

The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in January
Milwaukie, OR

Average rainfall days in January - Milwaukie, OR
  • Average rainfall days in January: 17.9 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).

Average snowfall in January
Milwaukie, OR

Average snowfall in January - Milwaukie, OR
  • Average snowfall in January: 0.94"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Milwaukie, OR

Average snowfall days in January - Milwaukie, OR
  • Average snowfall days in January: 1.5 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Milwaukie, OR

Average daylight in January / Average sunshine in January - Milwaukie, OR
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in January
Milwaukie, OR

Average sunshine days in January - Milwaukie, OR
  • Average sunshine days in January: 11.2 days

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in January
Milwaukie, OR

Average UV index in January - Milwaukie, OR
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Milwaukie, OR

Average cloud cover in January - Milwaukie, OR
  • Average cloud cover in January: 56

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in January
Milwaukie, OR

Average visibility in January - Milwaukie, OR
  • Average visibility in January: 5mi

The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).

Milwaukie, Oregon, USA

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