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
As December transitions into January, Santee records an average high-temperature of a still refreshing 66.4°F (19.1°C), showing a gentle shift from the preceding month. In January, the nighttime temperature lowers to an average of 47.8°F (8.8°C).Humidity
The average relative humidity in January in Santee is 56%.Rainfall
In Santee, during January, the rain falls for 5 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, in Santee, there are 47.9 rainfall days, and 5.31" (135mm) of precipitation is accumulated.Daylight
In Santee, the average length of the day in January is 10h and 17min.On the first day of the month, sunrise is at 6:50 am and sunset at 4:52 pm. On the last day of January, sunrise is at 6:43 am and sunset at 5:19 pm PST.
Sunshine
In January, the average sunshine is 6.9h.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during January leads to these instructions:
Take precautions - Protection against sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. 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 are January temperatures?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Santee have in January?
When are sunrise and sunset in January?
How long on average sun shines in January in Santee?
When is the lowest UV index?
What is the UV index reading in January in Santee?
Average temperature in January
Santee, CA
- Average high temperature in January: 66.4°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in January: 47.8°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (46.9°F).
Average pressure in January
Santee, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in January
Santee, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest month (with the lowest average wind speed) is October (4.2mph).
Average humidity in January
Santee, CA
- Average humidity in January: 56%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (54%).
Average rainfall in January
Santee, CA
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is February (1.14").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Santee, CA
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in January /
Average sunshine in January
Santee, CA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Santee, CA
- Average sunshine days in January: 25.3 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in January
Santee, 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
Santee, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Santee, 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).
Santee, California, USA
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