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 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
December, with its high-temperature average of 62.2°F (16.8°C) and a low-temperature average of 46°F (7.8°C), is the coldest month.Humidity
The average relative humidity in December is 61%.Rainfall
In Nipomo, in December, during 5.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 39.5 rainfall days, and 5.51" (140mm) of precipitation is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Nipomo, California.On the first day of the month, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:00 pm PST.
Sunshine
In December, the average sunshine is 6.5h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Nipomo. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in December suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun is at its strongest around midday, find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What month is the coldest in Nipomo?
What are the temperatures in Nipomo in December?
What is the average humidity in December in Nipomo?
How many days does it rain in December in Nipomo?
What is the month with the shortest days in Nipomo?
What is the average length of the day in December in Nipomo?
What time are sunrise and sunset in December in Nipomo?
How long on average sun shines in December in Nipomo?
What is the month with the lowest UV index in Nipomo?
What is the UV index reading in December in Nipomo?
Average temperature in December
Nipomo, CA
- Average high temperature in December: 62.2°F
The warmest month (with the highest average high temperature) is September (82°F).
The month with the lowest average high temperature is December (62.2°F).
- Average low temperature in December: 46°F
The month with the highest average low temperature is September (59.7°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in December
Nipomo, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in December
Nipomo, CA
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Nipomo, CA
- Average humidity in December: 61%
The month with the highest relative humidity is March (67%).
The month with the lowest relative humidity is October (55%).
Average rainfall in December
Nipomo, CA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is March (1.34").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
Nipomo, CA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (0.7 days).
Average daylight in December /
Average sunshine in December
Nipomo, 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: 6h and 3min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Nipomo, CA
- Average sunshine days in December: 25.1 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in December
Nipomo, CA
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Nipomo, CA
- Average cloud cover in December: 25
The months with the most cloud cover are February and March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Nipomo, 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).
Nipomo, California, USA
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