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
In Saint James, the average high-temperature in December decreases from a fresh 53.6°F (12°C) in November to a chilly 43.7°F (6.5°C). Nighttime temperatures in Saint James hover around an average low of 29.7°F (-1.3°C) in December.Humidity
The average relative humidity in December is 77%.Rainfall
In Saint James, during December, the rain falls for 7 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Saint James, during the entire year, the rain falls for 137 days and collects up to 24.61" (625mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The months with the most snowfall in Saint James are February and December, with an average 2.09" (53mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:47 pm. On the last day of December, in Saint James, sunrise is at 7:22 am and sunset at 4:57 pm CST.
Sunshine
The average sunshine in December in Saint James, Missouri, is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint James. 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: The UV index of 2 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Saint James in December?
What is the average humidity in December in Saint James?
How much does it rain in Saint James in December?
When does it snow the most in Saint James?
How many days does it snow in December in Saint James?
What is the month with the shortest days in Saint James?
What is the average length of the day in December in Saint James?
What time are sunrise and sunset in December in Saint James?
How many hours of sunshine does Saint James have in December?
What are the months with the lowest UV index in Saint James?
How high is the UV index in December in Saint James?
Average temperature in December
Saint James, MO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Saint James, MO
- 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 (29.92"Hg).
Average wind speed in December
Saint James, MO
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Saint James, MO
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Saint James, MO
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in December
Saint James, MO
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Saint James, MO
- Average snowfall in December: 2.09"
The months with the highest snowfall are February and December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Saint James, MO
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint James, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Saint James, MO
- Average sunshine days in December: 19 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in December
Saint James, MO
- Average UV index in December: 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 and December (UV index 2).
Average cloud cover in December
Saint James, MO
- Average cloud cover in December: 49
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Saint James, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Saint James, Missouri, USA
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