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 ushers in an average high-temperature of a still icy 37°F (2.8°C), aligning closely with the preceding month. Throughout January, the temperature in Grandview tends to fall to a consistent average low of 27°F (-2.8°C).Humidity
The most humid month is January, with an average relative humidity of 82%.Rainfall
In Grandview, in January, it is raining for 7.9 days, with typically 0.51" (13mm) of accumulated precipitation. In Grandview, during the entire year, the rain falls for 80.1 days and collects up to 4.84" (123mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Grandview, in January, during 3.5 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, there are 12.4 snowfall days, and 3.94" (100mm) of snow is accumulated.Daylight
In Grandview, Washington, the average length of the day in January is 9h and 7min.On the first day of January, sunrise is at 7:42 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:02 pm PST.
Sunshine
With an average of 4.9h of sunshine, January has the least sunshine of the year in Grandview.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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is January in Grandview?
What is the most humid month in Grandview?
What is the average humidity in January in Grandview?
How many days does it rain in January in Grandview?
How many days does it snow in January in Grandview?
What is the average length of the day in January in Grandview?
When is the sunrise / sunset in January in Grandview?
What is the month with the least sunshine in Grandview?
How long on average sun shines in January in Grandview?
When is the lowest UV index in Grandview?
How high is the UV index in January in Grandview?
Average temperature in January
Grandview, WA
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in January
Grandview, WA
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in January
Grandview, WA
- Average wind speed in January: 5.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.2mph).
Average humidity in January
Grandview, WA
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (37%).
Average rainfall in January
Grandview, WA
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Grandview, WA
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (9.2 days).
The month with the least rainy days is July (4 days).
Average snowfall in January
Grandview, WA
- Average snowfall in January: 1.02"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Grandview, WA
- Average snowfall days in January: 3.5 days
The month with the highest number of snowfall days is December (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Grandview, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Grandview, WA
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (18.7 days).
Average UV index in January
Grandview, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Grandview, WA
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in January
Grandview, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grandview, Washington, USA
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