Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
During January, the average high-temperature is a still moderate 59.5°F (15.3°C), maintaining a close resemblance to that of the preceding month. San Simeon's nights in January cool down to an average low-temperature of 49.6°F (9.8°C).Humidity
In January, the average relative humidity is 68%.Rainfall
In January, the rain falls for 5.9 days. Throughout January, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 50 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Daylight
In January, the average length of the day is 10h and 4min.On the first day of January, sunrise is at 7:14 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:30 pm PST.
Sunshine
In San Simeon, the average sunshine in January is 6.6h.UV index
The months with the lowest UV index in San Simeon are January through April, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in San Simeon?
How many hours of sunshine does San Simeon have in January?
What are the months with the lowest UV index in San Simeon?
How high is the UV index in January?
Average temperature in January
San Simeon, CA
- Average high temperature in January: 59.5°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in January: 49.6°F
The month with the highest average low temperature is September (60.1°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in January
San Simeon, CA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
San Simeon, CA
- Average wind speed in January: 7.4mph
The windiest month (with the highest average wind speed) is May (10.6mph).
The calmest month (with the lowest average wind speed) is November (7.3mph).
Average humidity in January
San Simeon, CA
- Average humidity in January: 68%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is October (64%).
Average rainfall in January
San Simeon, CA
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is December (1.5").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in January
San Simeon, CA
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.5 days).
Average daylight in January /
Average sunshine in January
San Simeon, CA
- Average daylight in January: 10h and 1min
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 January: 6h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in January
San Simeon, CA
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in January
San Simeon, CA
- Average UV index in January: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in January
San Simeon, CA
- Average cloud cover in January: 25
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
San Simeon, CA
- Average visibility in January: 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).
San Simeon, California, USA
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