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
With the onset of January, Glenoak Hills's average high-temperature clocks in at a still refreshing 64.2°F (17.9°C), showing a minor fluctuation from the previous month. During the month of January, the nighttime temperature falls to an average of 44.4°F (6.9°C).Humidity
In January, the average relative humidity is 55%.Rainfall
In January, the rain falls for 5.9 days. Throughout January, 1.26" (32mm) of precipitation is accumulated. In Glenoak Hills, during the entire year, the rain falls for 60.6 days and collects up to 9.37" (238mm) of precipitation.Daylight
The average length of the day in January is 10h and 14min.On the first day of January, sunrise is at 6:52 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 5:17 pm PST.
Sunshine
In January, the average sunshine in Glenoak Hills is 6.7h.UV index
In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in January leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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 in Glenoak Hills?
How many days does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Glenoak Hills, CA
- Average high temperature in January: 64.2°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in January: 44.4°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in January
Glenoak Hills, 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 (29.86"Hg).
Average wind speed in January
Glenoak Hills, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in January
Glenoak Hills, CA
- Average humidity in January: 55%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Glenoak Hills, CA
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Glenoak Hills, CA
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight in January /
Average sunshine in January
Glenoak Hills, CA
- Average daylight in January: 10h and 1min
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 4min
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 30min).
Average sunshine days in January
Glenoak Hills, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in January
Glenoak Hills, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Glenoak Hills, CA
- Average cloud cover in January: 23
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Glenoak Hills, 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).
Glenoak Hills, California, USA
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