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
Granite Hills, California, experiences a recorded average high-temperature of a still refreshing 65.8°F (18.8°C) in January, closely aligned with December's 63.7°F (17.6°C). Granite Hills's January nights cool down to an average low-temperature of 48.4°F (9.1°C).Humidity
In Granite Hills, the average relative humidity in January is 55%.Rainfall
In Granite Hills, in January, it is raining for 5.2 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, in Granite Hills, there are 56.1 rainfall days, and 8.27" (210mm) of precipitation is accumulated.Daylight
In January, the average length of the day 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 5:18 pm PST.
Sunshine
The average sunshine in January 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 in Granite Hills, California. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In January, a daily UV index of 4 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Granite Hills in January?
What is the average humidity in January in Granite Hills?
How many days does it rain in January in Granite Hills?
What is the average length of the day in January in Granite Hills?
When is the sunrise / sunset in January in Granite Hills?
How many hours of sunshine does Granite Hills have in January?
When is the lowest UV index in Granite Hills?
What is the UV index intensity in January in Granite Hills?
Average temperature in January
Granite Hills, CA
- Average high temperature in January: 65.8°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in January: 48.4°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).
Average pressure in January
Granite Hills, 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
Granite Hills, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).
Average humidity in January
Granite Hills, CA
- Average humidity in January: 55%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).
Average rainfall in January
Granite Hills, CA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Granite Hills, CA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).
Average daylight in January /
Average sunshine in January
Granite Hills, 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
Granite Hills, CA
- Average sunshine days in January: 25.4 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).
Average UV index in January
Granite Hills, 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
Granite Hills, CA
- Average cloud cover in January: 20
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
Granite 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).
Granite Hills, California, USA
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