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
The arrival of January brings an average high-temperature of a still refreshing 65.8°F (18.8°C), nearly identical to December's 63.7°F (17.6°C). Nighttime temperature dips to a mean of 51.3°F (10.7°C) during January.Humidity
In January, the average relative humidity is 55%.Rainfall
In January, the rain falls for 5 days. Throughout January, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Santa Ana, California, there are 55 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 13min.On the first day of January, sunrise is at 6:56 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:21 pm PST.
Sunshine
In January, the average sunshine is 6.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During January, 4 as the daily maximum UV index converts into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Santa Ana have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Santa Ana, CA
- Average high temperature in January: 65.8°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in January: 51.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).
Average pressure in January
Santa Ana, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Santa Ana, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in January
Santa Ana, CA
- Average humidity in January: 55%
The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Santa Ana, CA
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Santa Ana, CA
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.7 days).
Average daylight in January /
Average sunshine in January
Santa Ana, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Santa Ana, CA
- Average sunshine days in January: 25 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in January
Santa Ana, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in January
Santa Ana, CA
- Average cloud cover in January: 20
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Santa Ana, 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).
Santa Ana, California, USA
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