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 records mark January as the coldest month, with highs averaging 33.4°F (0.8°C) and lows at 20.7°F (-6.3°C).Humidity
January and February, with an average relative humidity of 84%, are the most humid months.Rainfall
In Houston, in January, it is raining for 6.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Houston, there are 120.6 rainfall days, and 9.49" (241mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. The months with the most snowfall are January and February, with an average 0.79" (20mm) of accumulated snow.Daylight
In January, the average length of the day is 9h and 41min.On the first day of January, sunrise is at 7:43 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:37 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What part of the year is the coldest in Houston?
How cold is January in Houston?
What are the most humid months in Houston?
What is the average humidity in January in Houston?
How many days does it rain in January in Houston?
When does it snow the most in Houston?
How much does it snow in Houston in January?
What is the average length of the day in January in Houston?
When are sunrise and sunset in January in Houston?
What is the month with the least sunshine in Houston?
How many hours of sunshine does Houston have in January?
When is the lowest UV index in Houston?
How high is the UV index in January in Houston?
Average temperature in January
Houston, PA
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Houston, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Houston, PA
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in January
Houston, PA
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).
Average rainfall in January
Houston, PA
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is July (1.06").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in January
Houston, PA
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Houston, PA
- Average snowfall in January: 0.79"
The months with the highest snowfall are January and February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Houston, PA
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Houston, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Houston, PA
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in January
Houston, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Houston, PA
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Houston, PA
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Houston, Pennsylvania, USA
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