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
Temperature readings reach their annual highs in December, averaging 58.3°F (14.6°C) and a minimum average of 40.5°F (4.7°C).Humidity
The months with the highest humidity in Grandfalls, Texas, are September and December, with an average relative humidity of 49%.Rainfall
In Grandfalls, in December, it is raining for 2.5 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, in Grandfalls, there are 63.3 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Snowfall
Months with snowfall in Grandfalls are January through March, November and December. The months with the most snowfall in Grandfalls are November and December, with an average 0.31" (8mm) of accumulated snow.Daylight
December has the shortest days of the year in Grandfalls, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 5:48 pm. On the last day of December, in Grandfalls, sunrise is at 7:50 am and sunset at 5:59 pm CST.
Sunshine
December has the least sunshine of the year in Grandfalls, with an average of 7h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index in Grandfalls. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the coldest time of year in Grandfalls?
What are the temperatures in Grandfalls in December?
What is the most humid month in Grandfalls?
What is the average humidity in December in Grandfalls?
How much does it rain in Grandfalls in December?
When does it snow the most in Grandfalls?
How much does it snow in Grandfalls in December?
What is the month with the shortest days in Grandfalls?
How many hours of daylight does Grandfalls have in December?
When are sunrise and sunset in December in Grandfalls?
What is the month with the least sunshine in Grandfalls?
How long on average sun shines in December in Grandfalls?
When is the lowest UV index in Grandfalls?
How high is the UV index in December in Grandfalls?
Average temperature in December
Grandfalls, TX
- Average high temperature in December: 58.3°F
The warmest month (with the highest average high temperature) is June (96.4°F).
The month with the lowest average high temperature is December (58.3°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Grandfalls, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Grandfalls, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is June (13.2mph).
The calmest month (with the lowest average wind speed) is December (8.9mph).
Average humidity in December
Grandfalls, TX
- Average humidity in December: 49%
The months with the highest relative humidity are September and December (49%).
The month with the lowest relative humidity is April (31%).
Average rainfall in December
Grandfalls, TX
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.08").
Average rainfall days in December
Grandfalls, TX
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is September (10 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Grandfalls, TX
- Average snowfall in December: 0.31"
The months with the highest snowfall are November and December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Grandfalls, TX
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is December (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grandfalls, 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: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Grandfalls, TX
- Average sunshine days in December: 27.1 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is September (18.1 days).
Average UV index in December
Grandfalls, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Grandfalls, TX
- Average cloud cover in December: 19
The month with the most cloud cover is September (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
Grandfalls, 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).
Grandfalls, Texas, USA
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