Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a refreshing 65.3°F (18.5°C) in November to a moderate 56.7°F (13.7°C). Throughout the nights in December, Hillsboro experiences an average low-temperature of 41.9°F (5.5°C).Humidity
The average relative humidity in December is 71%.Rainfall
In Hillsboro, in December, it is raining for 9.7 days, with typically 2.01" (51mm) of accumulated precipitation. In Hillsboro, during the entire year, the rain falls for 139.8 days and collects up to 32.28" (820mm) of precipitation.Snowfall
Months with snowfall are February, March and December. December is the first month it typically snows in Hillsboro. Throughout December, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 1.9 snowfall days, and 0.87" (22mm) of snow is accumulated.Daylight
The month with the shortest days in Hillsboro, Texas, is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:23 pm. On the last day of December, in Hillsboro, sunrise is at 7:28 am and sunset at 5:34 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The month with the lowest UV index in Hillsboro is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hillsboro in December?
What is the average humidity in December in Hillsboro?
How many days does it rain in December in Hillsboro?
When does it start to snow in Hillsboro?
What is the month with the shortest days in Hillsboro?
How many hours of daylight does Hillsboro have in December?
What time are sunrise and sunset in December in Hillsboro?
What is the month with the least sunshine in Hillsboro?
How many hours of sunshine does Hillsboro have in December?
When is the lowest UV index in Hillsboro?
How high is the UV index in December in Hillsboro?
Average temperature in December
Hillsboro, TX
- Average high temperature in December: 56.7°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Hillsboro, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hillsboro, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).
Average humidity in December
Hillsboro, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Hillsboro, TX
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is October (4.53").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
Hillsboro, TX
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Hillsboro, TX
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Hillsboro, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hillsboro, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Hillsboro, TX
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in December
Hillsboro, TX
- Average UV index in December: 3
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 December
Hillsboro, TX
- Average cloud cover in December: 39
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Hillsboro, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hillsboro, Texas, USA
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