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
Spring Valley's average high-temperature in January is a still refreshing 66.4°F (19.1°C), marking an insignificant difference from the 64.4°F (18°C) of December. During the month of January, Spring Valley anticipates a mean low-temperature of 49.6°F (9.8°C).Humidity
In January, the average relative humidity is 56%.Rainfall
In Spring Valley, during January, the rain falls for 2.8 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Spring Valley, during the entire year, the rain falls for 33 days and collects up to 2.52" (64mm) of precipitation.Daylight
The average length of the day in January is 10h and 17min.On the first day of January, sunrise is at 6:50 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 5:19 pm PST.
Sunshine
In January, the average sunshine is 6.8h.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 of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in January leads to these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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?
How many hours of daylight does Spring Valley have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index in Spring Valley?
How high is the UV index in January?
Average temperature in January
Spring Valley, CA
- Average high temperature in January: 66.4°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).
- Average low temperature in January: 49.6°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 (48.7°F).
Average pressure in January
Spring Valley, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Spring Valley, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in January
Spring Valley, CA
- Average humidity in January: 56%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).
Average rainfall in January
Spring Valley, CA
- Average rainfall in January: 0.2"
The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").
Average rainfall days in January
Spring Valley, CA
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).
Average daylight in January /
Average sunshine in January
Spring Valley, 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 months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in January
Spring Valley, CA
- Average sunshine days in January: 27.1 days
The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).
Average UV index in January
Spring Valley, 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
Spring Valley, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Spring Valley, 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).
Spring Valley, California, USA
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