January weather forecast
Santa Clara, OR

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Weather in January

January, like December, is another chilly winter month in Santa Clara, Oregon, with an average temperature fluctuating between 48.7°F (9.3°C) and 35.2°F (1.8°C).

Temperature

The shift from December to January is characterized by an average high-temperature of a still frosty 48.7°F (9.3°C), not significantly different from the 46°F (7.8°C) of December. January nights are marked by an average low-temperature of 35.2°F (1.8°C).

Humidity

In Santa Clara, the average relative humidity in January is 86%.

Rainfall

In January, in Santa Clara, the rain falls for 17.3 days. Throughout January, 3.78" (96mm) of precipitation is accumulated. In Santa Clara, during the entire year, the rain falls for 160.7 days and collects up to 29.06" (738mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Santa Clara, in January, during 1 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Santa Clara, during the entire year, snow falls for 4.8 days and aggregates up to 3.58" (91mm) of snow.

Daylight

In January, the average length of the day is 9h and 20min.
On the first day of the month, sunrise is at 7:47 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:20 pm PST.

Sunshine

In January, the average sunshine is 4.4h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Santa Clara in January?

In January, the average high-temperature and low-temperature are 48.7°F (9.3°C) and 35.2°F (1.8°C) respectively.

What is the average humidity in January?

In Santa Clara, the average relative humidity in January is 86%.

How many days does it rain in January in Santa Clara?

In January, the rain falls for 17.3 days. Throughout January, 3.78" (96mm) of precipitation is accumulated.

How much does it snow in January?

In Santa Clara, during January, snow falls for 1 days and regularly aggregates up to 0.47" (12mm) of snow.

How many hours of daylight does Santa Clara have in January?

The average day length in January in Santa Clara is 9h and 20min.

What time are sunrise and sunset in January?

On the first day of January in Santa Clara, sunrise is at 7:47 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:20 pm PST.

How many hours of sunshine does Santa Clara have in January?

The average sunshine duration in January is 4.4h.

When is the lowest UV index?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Santa Clara, OR

Average temperature in January - Santa Clara, OR
  • Average high temperature in January: 48.7°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in January
Santa Clara, OR

Average pressure in January - Santa Clara, 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 (30.01"Hg).

Average wind speed in January
Santa Clara, OR

Average wind speed in January - Santa Clara, OR
  • Average wind speed in January: 4.5mph

The windiest months (with the highest average wind speed) are January, February, March and December (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.7mph).

Average humidity in January
Santa Clara, OR

Average humidity in January - Santa Clara, OR
  • Average humidity in January: 86%

The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (68%).

Average rainfall in January
Santa Clara, OR

Average rainfall in January - Santa Clara, OR
  • Average rainfall in January: 3.78"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in January
Santa Clara, OR

Average rainfall days in January - Santa Clara, OR
  • Average rainfall days in January: 17.3 days

The month with the highest number of rainy days is March (19.8 days).
The months with the least rainy days are July and August (3.8 days).

Average snowfall in January
Santa Clara, OR

Average snowfall in January - Santa Clara, OR
  • Average snowfall in January: 0.47"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Santa Clara, OR

Average snowfall days in January - Santa Clara, OR
  • Average snowfall days in January: 1 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
Santa Clara, OR

Average daylight in January / Average sunshine in January - Santa Clara, OR
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in January
Santa Clara, OR

Average sunshine days in January - Santa Clara, OR
  • Average sunshine days in January: 12.8 days

The months with the most sunshine days are July and August (25.3 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in January
Santa Clara, OR

Average UV index in January - Santa Clara, OR
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Santa Clara, OR

Average cloud cover in January - Santa Clara, OR
  • Average cloud cover in January: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in January
Santa Clara, OR

Average visibility in January - Santa Clara, OR
  • Average visibility in January: 4mi

The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).

Santa Clara, Oregon, USA

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