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
Temperature readings reach their annual highs in January, averaging 58.8°F (14.9°C) and a minimum average of 42.6°F (5.9°C).Humidity
The average relative humidity in January in Washington, Texas, is 73%.Rainfall
In Washington, in January, during 10.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. The month with the most snowfall is January, when snow falls for 0.4 days and typically aggregates up to 0.28" (7mm) of snow.Daylight
In Washington, the average length of the day in January is 10h and 27min.On the first day of January, sunrise is at 7:21 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:00 pm CST.
Sunshine
The average sunshine in January is 5.4h.UV index
The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 4 transforms into these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are January temperatures?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
What is the last month it snows?
How many hours of daylight does Washington have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Washington, TX
- Average high temperature in January: 58.8°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in January: 42.6°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in January
Washington, TX
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Washington, TX
- Average wind speed in January: 7.8mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in January
Washington, TX
- Average humidity in January: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in January
Washington, TX
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in January
Washington, TX
- Average rainfall days in January: 10.7 days
The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in January
Washington, TX
- Average snowfall in January: 0.28"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Washington, TX
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Washington, TX
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Washington, TX
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in January
Washington, TX
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Washington, TX
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Washington, TX
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May, June and July (5mi).
Washington, Texas, USA
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