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
With an average high-temperature of 55°F (12.8°C) and an average low-temperature of 38.1°F (3.4°C), December is the coldest month.Humidity
With an average relative humidity of 51%, December is the most humid month.Rainfall
December is the month with the most rainfall in Silt. Rain falls for 4.9 days and accumulates 0.83" (21mm) of precipitation.Snowfall
January, November and December are months with snowfall in Silt. In Silt, during December, snow falls for 0.1 days and regularly aggregates up to 0.28" (7mm) of snow. In Silt, during the entire year, snow falls for 0.7 days and aggregates up to 1.1" (28mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Silt, California.On the first day of December, sunrise is at 6:41 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:49 pm PST.
Sunshine
In Silt, the average sunshine in December is 7.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during December leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What time of the year is the coldest in Silt?
What is the average December temperature in Silt?
What is the most humid month in Silt?
What is the average humidity in December in Silt?
What is the wettest month in Silt?
How much does it rain in Silt in December?
How much does it snow in Silt in December?
What is the month with the shortest days in Silt?
What is the average length of the day in December in Silt?
What time are sunrise and sunset in December in Silt?
How long on average sun shines in December in Silt?
What are the months with the lowest UV index in Silt?
What is the UV index reading in December in Silt?
Average temperature in December
Silt, CA
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is August (70.3°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).
Average pressure in December
Silt, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Silt, CA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is May (11.8mph).
The calmest month (with the lowest average wind speed) is January (6.5mph).
Average humidity in December
Silt, CA
- Average humidity in December: 51%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (24%).
Average rainfall in December
Silt, CA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Silt, CA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (0.9 days).
Average snowfall in December
Silt, CA
- Average snowfall in December: 0.28"
The month with the highest snowfall is November (0.71").
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Silt, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Silt, CA
- 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: 7h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in December
Silt, CA
- Average sunshine days in December: 25 days
The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in December
Silt, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Silt, CA
- Average cloud cover in December: 19
The months with the most cloud cover are March and December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in December
Silt, CA
- 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).
Silt, California, USA
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