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 commencement of January brings an average high-temperature of a still comfortable 65.1°F (18.4°C), marking an inconsequential divergence from December. In Garden Grove, January is marked by an average low-temperature of 52.3°F (11.3°C).Humidity
In Garden Grove, the average relative humidity in January is 57%.Rainfall
In Garden Grove, in January, during 3.6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 39.3 rainfall days, and 2.95" (75mm) of precipitation is accumulated.Daylight
In Garden Grove, California, 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 6:49 am and sunset at 5:21 pm PST.
Sunshine
The average sunshine in January 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 reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During January, 4 as the daily maximum UV index converts into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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 much does it rain in January?
How many hours of daylight does Garden Grove have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in Garden Grove?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Garden Grove, CA
- Average high temperature in January: 65.1°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in January: 52.3°F
The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).
Average pressure in January
Garden Grove, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in January
Garden Grove, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in January
Garden Grove, CA
- Average humidity in January: 57%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (54%).
Average rainfall in January
Garden Grove, CA
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the least rainfall) is June (0").
Average rainfall days in January
Garden Grove, CA
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).
Average daylight in January /
Average sunshine in January
Garden Grove, 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
Garden Grove, CA
- Average sunshine days in January: 26.3 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in January
Garden Grove, 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
Garden Grove, 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 6).
Average visibility in January
Garden Grove, 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).
Garden Grove, California, USA
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