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 decrease in the average high-temperature, falling from a mild 59.7°F (15.4°C) in November to a frosty 49.3°F (9.6°C). Morris observes an average nighttime low-temperature of 34.9°F (1.6°C) during the month of December.Humidity
In December, the average relative humidity is 70%.Rainfall
In Morris, in December, during 7.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 136.7 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Morris, in December, during 1.4 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 6.1 snowfall days, and 3.7" (94mm) of snow is accumulated.Daylight
December has the shortest days of the year in Morris, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:20 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Morris in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index in Morris?
How high is the UV index in December?
Average temperature in December
Morris, OK
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is August (91.6°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Morris, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Morris, OK
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Morris, OK
- Average humidity in December: 70%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Morris, OK
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in December
Morris, OK
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Morris, OK
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Morris, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Morris, OK
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Morris, OK
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Morris, OK
- Average UV index in December: 2
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 2).
Average cloud cover in December
Morris, OK
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Morris, OK
- 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).
Morris, Oklahoma, USA
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