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 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 coldest period tends to be December, when average temperatures fluctuate between a high of 59.9°F (15.5°C) and a low of 43.7°F (6.5°C).Humidity
The average relative humidity in December is 51%.Rainfall
December is the month with the most rainfall. Rain falls for 6 days and accumulates 1.42" (36mm) of precipitation.Snowfall
January, March through December are months without snowfall in Loma Linda.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:50 pm PST.
Sunshine
With an average of 6.9h of sunshine, December has the least sunshine of the year in Loma Linda.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Be vigilant - Preventing sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What month is the coldest in Loma Linda?
What are the temperatures in Loma Linda in December?
What is the average humidity in December in Loma Linda?
What is the wettest month in Loma Linda?
How many days does it rain in December in Loma Linda?
When it does not snow in Loma Linda?
What is the month with the shortest days in Loma Linda?
What is the average length of the day in December in Loma Linda?
When is the sunrise / sunset in December in Loma Linda?
What is the month with the least sunshine in Loma Linda?
How many hours of sunshine does Loma Linda have in December?
What is the month with the lowest UV index in Loma Linda?
What is the UV index reading in December in Loma Linda?
Average temperature in December
Loma Linda, CA
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in December
Loma Linda, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Loma Linda, CA
- Average wind speed in December: 5.2mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in December
Loma Linda, CA
- Average humidity in December: 51%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Loma Linda, CA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Loma Linda, CA
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in December
Loma Linda, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Loma Linda, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Loma Linda, CA
- Average sunshine days in December: 24.3 days
The months with the most sunshine days are June and October (27.9 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
Loma Linda, CA
- Average UV index in December: 3
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 3).
Average cloud cover in December
Loma Linda, CA
- Average cloud cover in December: 21
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Loma Linda, 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).
Loma Linda, California, USA
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