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
January's presence marks an average high-temperature of a still chilly 44.6°F (7°C), subtly varied from December's 42.8°F (6°C). January's average low-temperature reading settles at a cold 34.2°F (1.2°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In Graham, in January, it is raining for 17.3 days, with typically 4.76" (121mm) of accumulated precipitation. In Graham, during the entire year, the rain falls for 172.9 days and collects up to 32.28" (820mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Graham, in January, snow falls for 1.9 days, with typically accumulated 1.5" (38mm) of snow. In Graham, during the entire year, snow falls for 10.3 days and aggregates up to 5.94" (151mm) of snow.Daylight
The average length of the day in January is 9h and 1min.On the first day of the month, sunrise is at 7:55 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:35 am and sunset at 5:09 pm PST.
Sunshine
In Graham, the average sunshine in January is 4.2h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Graham have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January in Graham?
Average temperature in January
Graham, WA
- Average high temperature in January: 44.6°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in January
Graham, WA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Graham, WA
- Average wind speed in January: 4.9mph
The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Graham, WA
- Average humidity in January: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Graham, WA
- Average rainfall in January: 4.76"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Graham, WA
- Average rainfall days in January: 17.3 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in January
Graham, WA
- Average snowfall in January: 1.5"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Graham, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (4.1 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
Graham, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in January
Graham, WA
- Average sunshine days in January: 11.4 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in January
Graham, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Graham, WA
- Average cloud cover in January: 57
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Graham, WA
- Average visibility in January: 4mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).
Graham, Washington, USA
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