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
In Katy, the lowest average temperatures are observed in January, with a high of 61°F (16.1°C) and a low of 45°F (7.2°C).Humidity
The average relative humidity in January is 74%.Rainfall
In Katy, in January, during 10.5 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Katy, Texas, during the entire year, the rain falls for 169 days and collects up to 30.12" (765mm) of precipitation.Snowfall
January and December are months with snowfall. January is the last month it regularly snows in Katy. During 0.4 snowfall days, in January, Katy aggregates 0.08" (2mm) of snow. Throughout the year, there are 0.8 snowfall days, and 0.2" (5mm) of snow is accumulated.Daylight
In Katy, the average length of the day in January is 10h and 29min.On the first day of the month, sunrise is at 7:18 am and sunset at 5:34 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:59 pm CST.
Sunshine
In Katy, the average sunshine in January is 5.3h.UV index
The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: During January, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
What is the last month it snows?
How many hours of daylight does Katy have in January?
What time are sunrise and sunset in January in Katy?
How many hours of sunshine does Katy have in January?
What is the UV index intensity in January?
Average temperature in January
Katy, TX
- Average high temperature in January: 61°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (61°F).
- Average low temperature in January: 45°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45°F).
Average pressure in January
Katy, 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
Katy, TX
- Average wind speed in January: 7.7mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in January
Katy, TX
- Average humidity in January: 74%
The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in January
Katy, TX
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in January
Katy, TX
- Average rainfall days in January: 10.5 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is January (10.5 days).
Average snowfall in January
Katy, TX
- Average snowfall in January: 0.08"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Katy, 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 March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Katy, TX
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- 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: 4h and 54min).
Average sunshine days in January
Katy, TX
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is September (8.9 days).
Average UV index in January
Katy, TX
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Katy, TX
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Katy, TX
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, June, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May and July (5mi).
Katy, Texas, USA
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