December weather forecastSpokane, MO
December
Weather in December
December, the first month of the winter in Spokane, is still a chilly month, with an average temperature fluctuating between 45°F (7.2°C) and 30.4°F (-0.9°C).Temperature
Spokane in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 55°F (12.8°C) to a chilly 45°F (7.2°C). The average low-temperature of 30.4°F (-0.9°C) is witnessed during December.Humidity
The average relative humidity in December is 75%.Rainfall
In Spokane, in December, during 7.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Spokane, during the entire year, the rain falls for 151.2 days and collects up to 33.62" (854mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 3.2 days. Throughout December, 0.79" (20mm) of snow is accumulated. In Spokane, during the entire year, snow falls for 17.7 days and aggregates up to 7.17" (182mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:56 pm. On the last day of December, in Spokane, sunrise is at 7:25 am and sunset at 5:07 pm CST.
Sunshine
In December, the average sunshine is 5.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spokane, MO
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Spokane, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Spokane, MO
- Average wind speed in December: 8.8mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Spokane, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in December
Spokane, MO
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
Spokane, MO
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Spokane, MO
- Average snowfall in December: 0.79"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Spokane, MO
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spokane, MO
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Spokane, MO
- Average sunshine days in December: 21 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Spokane, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Spokane, MO
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Spokane, MO
- 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).





