January weather forecast
Sherwood, OR

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Weather in January

Sherwood's weather kicks off the year with chilly temperatures and prevalent humidity, making winter coats an essential wardrobe staple. The average high temperature barely lifts above 46.2°F (7.9°C), easing from the cold 34.9°F (1.6°C) nightly lows. While snowfall is minimal, the area receives a substantial amount of rainfall amounting to 4.41" (112mm) over 18.4 days, making January one of the wettest months. Slightly overcast skies linger throughout the month, reducing visibility but not hindering daily activities. Expect shorter days, a lingering chill in the air, and perhaps an occasional dusting of snow.

Temperature

With the onset of January, a modest change to a still chilly 46.2°F (7.9°C) from December's 44.1°F (6.7°C) is noted in high-temperature. An average nighttime temperature of 34.9°F (1.6°C) is witnessed throughout January.

Humidity

January, February and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

In January, the rain falls for 18.4 days. Throughout January, 4.41" (112mm) of precipitation is accumulated. In Sherwood, during the entire year, the rain falls for 170.9 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Sherwood, in January, during 1.3 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Sherwood, during the entire year, snow falls for 6.5 days and aggregates up to 3.94" (100mm) of snow.

Daylight

In Sherwood, the average length of the day in January is 9h and 13min.
On the first day of January, sunrise is at 7:50 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:16 pm PST.

Sunshine

The average sunshine in January is 4.2h.

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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What is the usual temperature for Sherwood in January?

The high-temperature during January is 46.2°F (7.9°C) and the low-temperature is 34.9°F (1.6°C).

What is the most humid month?

The months with the highest humidity are January, February and December, with an average relative humidity of 84%.

What is the average humidity in January?

The average relative humidity in January is 84%.

How much does it rain in January?

In Sherwood, in January, it is raining for 18.4 days, with typically 4.41" (112mm) of accumulated precipitation.

How much does it snow in Sherwood in January?

In January, in Sherwood, Oregon, it is snowing for 1.3 days. Throughout January, 0.51" (13mm) of snow is accumulated.

How many hours of daylight does Sherwood have in January?

In January, the average day length is 9h and 13min.

What time are sunrise and sunset in January in Sherwood?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:16 pm PST.

How long on average sun shines in January?

In January, the average sunshine duration is 4.2h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In Sherwood, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Sherwood, OR

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

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).

  • Average low temperature in January: 34.9°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).

Average pressure in January
Sherwood, OR

Average pressure in January - Sherwood, OR
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in January
Sherwood, OR

Average wind speed in January - Sherwood, OR
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in January
Sherwood, OR

Average humidity in January - Sherwood, OR
  • Average humidity in January: 84%

The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is August (63%).

Average rainfall in January
Sherwood, OR

Average rainfall in January - Sherwood, OR
  • Average rainfall in January: 4.41"

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
Sherwood, OR

Average rainfall days in January - Sherwood, OR
  • Average rainfall days in January: 18.4 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.8 days).

Average snowfall in January
Sherwood, OR

Average snowfall in January - Sherwood, OR
  • Average snowfall in January: 0.51"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Sherwood, OR

Average snowfall days in January - Sherwood, OR
  • Average snowfall days in January: 1.3 days

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

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

Average daylight in January / Average sunshine in January - Sherwood, 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 1min

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 6min).

Average sunshine days in January
Sherwood, OR

Average sunshine days in January - Sherwood, OR
  • Average sunshine days in January: 11.3 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in January
Sherwood, OR

Average UV index in January - Sherwood, 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
Sherwood, OR

Average cloud cover in January - Sherwood, OR
  • Average cloud cover in January: 57

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in January
Sherwood, OR

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

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

Sherwood, Oregon, USA

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