January weather - Winter 2024

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 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

Colorful balloons rise from the scenic grounds in a field near Grant Pass, Oregon

Weather in January

During January in Grants Pass, Oregon, USA, a distinct shift from the cold and wet winter weather of the previous month is absent. The city experiences a chilly atmosphere with high humidity. Despite a relatively high average of 15.3 rainfall days, the total accumulation is approximately 3.98". The presence of lower pressure in the atmosphere leads to overcast skies for the most part of the day, limiting sunlight hours. As the year begins, wind speeds remain gentle, offering a respite from the icy temperatures.

Temperature

The average high-temperature for January is a still chilly 47.8°F, closely aligning with the temperature of the preceding month. Grants Pass experiences a nighttime temperature average of 32.5°F during January.

Humidity

The most humid month is January, with an average relative humidity of 85%.

Rainfall

In January, in Grants Pass, the rain falls for 15.3 days. Throughout January, 3.98" of precipitation is accumulated. In Grants Pass, during the entire year, the rain falls for 135.3 days and collects up to 23.54" of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Grants Pass, in January, during 1.3 snowfall days, 1.34" of snow is typically accumulated. In Grants Pass, during the entire year, snow falls for 7.9 days and aggregates up to 5.12" of snow.

Daylight

In January, the average length of the day in Grants Pass is 9h and 30min.
On the first day of the month, sunrise is at 7:42 am and sunset at 4:51 pm. On the last day of January, in Grants Pass, sunrise is at 7:27 am and sunset at 5:25 pm PST.

Sunshine

In Grants Pass, the average sunshine in January is 4.9h.

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 low threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

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FAQ

What is the average January temperature in Grants Pass?

Grants Pass in January has an average high-temperature of 47.8°F and an average low-temperature of 32.5°F.

What is the most humid month in Grants Pass?

January is the most humid month in Grants Pass, with an average relative humidity of 85%.

What is the average humidity in January in Grants Pass?

In January, the average relative humidity in Grants Pass is 85%.

How many days does it rain in January in Grants Pass?

In Grants Pass, Oregon, in January, it is raining for 15.3 days, with typically 3.98" of accumulated precipitation.

How much does it snow in Grants Pass in January?

In Grants Pass, Oregon, in January, during 1.3 snowfall days, 1.34" of snow is typically accumulated.

What is the average length of the day in January in Grants Pass?

In Grants Pass, Oregon, the average day length in January is 9h and 30min.

When is the sunrise / sunset in January in Grants Pass?

In January, on the first day of the month, sunrise is at 7:42 am and sunset at 4:51 pm. On the last day of the month, in Grants Pass, Oregon, sunrise is at 7:27 am and sunset at 5:25 pm PST.

How long on average sun shines in January in Grants Pass?

In Grants Pass, the average sunshine duration in January is 4.9h.

What is the month with the lowest UV index in Grants Pass?

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

What is the UV index reading in January in Grants Pass?

The average daily maximum UV index in January in Grants Pass, Oregon, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

46°F

47.8°F

49.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4mph

4.2mph

4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.5

14.7

11.6

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Grants Pass, OR

Average high temperature in January: 47.8°F

The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (46°F).

Average low temperature in January: 32.5°F

The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).

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Average pressure in January
Grants Pass, OR

Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).

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Average wind speed in January
Grants Pass, OR

Average wind speed in January: 3.9mph

The windiest month (with the highest average wind speed) is March (4mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).

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Average humidity in January
Grants Pass, OR

Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in January
Grants Pass, OR

Average rainfall in January: 3.98"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in January
Grants Pass, OR

Average rainfall days in January: 15.3 days

The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is August (2.5 days).

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Average snowfall in January
Grants Pass, OR

Average snowfall in January: 1.34"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Grants Pass, OR

Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Grants Pass, 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 6min).

Average sunshine in January: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in January
Grants Pass, OR

Average sunshine days in January: 14.7 days

The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is March (10.8 days).

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Average UV index in January
Grants Pass, 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).

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Average cloud cover in January
Grants Pass, OR

Average cloud cover in January: 49

The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in January
Grants Pass, OR

Average visibility in January: 4mi

The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

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January weather forecast
Grants Pass, OR

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