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
Irvine's coldest temperatures are experienced in January, with average high temperatures of 65.3°F (18.5°C) and lows of 47.3°F (8.5°C).Humidity
The average relative humidity in January is 72%.Rainfall
In January, the rain falls for 10 days. Throughout January, 1.3" (33mm) of precipitation is accumulated. In Irvine, during the entire year, the rain falls for 162.6 days and collects up to 24.09" (612mm) of precipitation.Daylight
In Irvine, the average length of the day in January is 10h and 31min.On the first day of the month, sunrise is at 7:23 am and sunset at 5:41 pm. On the last day of January, sunrise is at 7:18 am and sunset at 6:05 pm EST.
Sunshine
In January, the average sunshine is 6.5h.UV index
January is the month with the lowest UV index in Irvine, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during January translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in January?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Irvine, FL
- Average high temperature in January: 65.3°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (65.3°F).
- Average low temperature in January: 47.3°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in January
Irvine, FL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in January
Irvine, FL
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in January
Irvine, FL
- Average humidity in January: 72%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Irvine, FL
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in January
Irvine, FL
- Average rainfall days in January: 10 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.8 days).
Average daylight in January /
Average sunshine in January
Irvine, FL
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January: 6h and 3min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Irvine, FL
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in January
Irvine, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in January
Irvine, FL
- Average cloud cover in January: 35
The months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in January
Irvine, FL
- 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).
Irvine, Florida, USA
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