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 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
Grants Pass's average high-temperature in January sits at a still frosty 47.8°F (8.8°C), showing little difference from the previous month. Grants Pass experiences a nighttime temperature average of 32.5°F (0.3°C) during January.Humidity
January is the most humid month in Grants Pass, Oregon, with an average relative humidity of 85%.Rainfall
In Grants Pass, during January, the rain falls for 15.3 days and regularly aggregates up to 3.98" (101mm) of precipitation. Throughout the year, in Grants Pass, there are 135.3 rainfall days, and 23.54" (598mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Grants Pass. In Grants Pass, in January, snow falls for 1.3 days, with typically accumulated 1.34" (34mm) of snow. In Grants Pass, during the entire year, snow falls for 7.9 days and aggregates up to 5.12" (130mm) of snow.Daylight
In Grants Pass, the average length of the day in January is 9h and 30min.On the first day of the month, sunrise is at 7:42 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:25 pm PST.
Sunshine
In Grants Pass, the average sunshine in January is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grants Pass. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the average January temperature in Grants Pass?
What is the most humid month in Grants Pass?
What is the average humidity in January in Grants Pass?
How much does it rain in Grants Pass in January?
How many days does it snow in January in Grants Pass?
What is the average length of the day in January in Grants Pass?
When are sunrise and sunset in January in Grants Pass?
How long on average sun shines in January in Grants Pass?
What is the month with the lowest UV index in Grants Pass?
How high is the UV index in January in Grants Pass?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Grants Pass, Oregon, USA
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