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 snowfall in January
- Average snowfall 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
January's arrival brings an average high-temperature of a still mild 57.7°F (14.3°C), slightly deviating from December's 55.4°F (13°C). McHenry, during the nights of January, experiences an average temperature drop to a wintry 41.4°F (5.2°C).Humidity
The most humid month is January, with an average relative humidity of 72%.Rainfall
In McHenry, in January, it is raining for 7.1 days, with typically 0.98" (25mm) of accumulated precipitation. In McHenry, during the entire year, the rain falls for 59.3 days and collects up to 8.23" (209mm) of precipitation.Snowfall
In McHenry, snow does not fall in January through November.Daylight
In McHenry, the average length of the day in January is 9h and 55min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:26 pm PST.
Sunshine
The average sunshine in January in McHenry is 6.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in January converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the most humid month?
What is the average humidity in January in McHenry?
How many days does it rain in January?
When it does not snow in McHenry?
Does it snow in January?
How many hours of daylight does McHenry have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does McHenry have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
McHenry, CA
- Average high temperature in January: 57.7°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in January: 41.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in January
McHenry, CA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
McHenry, CA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in January
McHenry, CA
- Average humidity in January: 72%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in January
McHenry, CA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
McHenry, CA
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).
Average snowfall in January
McHenry, CA
- Average snowfall in January: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
McHenry, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
McHenry, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 2min
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 0min).
Average sunshine days in January
McHenry, CA
- Average sunshine days in January: 22.8 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).
Average UV index in January
McHenry, CA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
McHenry, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
McHenry, 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).
McHenry, California, USA
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