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
The high-temperature average in January for Ritzville is a still icy 35.4°F (1.9°C), staying closely aligned with December's conditions. Throughout January, an average low-temperature of 25.9°F (-3.4°C) is experienced.Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
In January, in Ritzville, Washington, the rain falls for 10.2 days. Throughout January, 1.18" (30mm) of precipitation is accumulated. In Ritzville, during the entire year, the rain falls for 109 days and collects up to 10.59" (269mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. In Ritzville, during January, snow falls for 6.9 days and regularly aggregates up to 2.76" (70mm) of snow. Throughout the year, there are 28.2 snowfall days, and 12.48" (317mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 1min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:14 pm. On the last day of January, sunrise is at 7:20 am and sunset at 4:53 pm PST.
Sunshine
The average sunshine in January is 4.8h.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 2 in January leads to these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month in Ritzville?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Ritzville have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January in Ritzville?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Ritzville, WA
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in January: 25.9°F
The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).
Average pressure in January
Ritzville, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in January
Ritzville, WA
- Average wind speed in January: 7.8mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in January
Ritzville, WA
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (34%).
Average rainfall in January
Ritzville, WA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is March (1.38").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in January
Ritzville, WA
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is July (4.2 days).
Average snowfall in January
Ritzville, WA
- Average snowfall in January: 2.76"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Ritzville, WA
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Ritzville, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- 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 December (Average sunshine: 4h and 36min).
Average sunshine days in January
Ritzville, WA
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (14.2 days).
Average UV index in January
Ritzville, 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
Ritzville, WA
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in January
Ritzville, 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).
Ritzville, Washington, USA
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