January weather forecastMiddletown, CA
January
Weather in January
January is a refreshing winter month in Middletown, California, with an average temperature varying between 56.7°F (13.7°C) and 40.1°F (4.5°C).Temperature
The arrival of January coincides with an average high-temperature of a mild 56.7°F (13.7°C), indicating a minimal shift from December's 54.7°F (12.6°C). Middletown throughout January, experiences an average nighttime temperature of 40.1°F (4.5°C).Humidity
In January, the average relative humidity is 73%.Rainfall
In Middletown, in January, it is raining for 10.3 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 77 rainfall days, and 17.05" (433mm) of precipitation is accumulated.Snowfall
In Middletown, snow does not fall in January, March through December.Daylight
In Middletown, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in January is 5.6h.UV index
The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during January translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Middletown, CA
- Average high temperature in January: 56.7°F
The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in January: 40.1°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).
Average pressure in January
Middletown, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in January
Middletown, CA
- Average wind speed in January: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in January
Middletown, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (53%).
Average rainfall in January
Middletown, CA
- Average rainfall in January: 3.15"
The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Middletown, CA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.8 days).
Average snowfall in January
Middletown, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Middletown, CA
- Average snowfall days in January: 0 days
The months with the highest number of snowfall days are February and March (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Middletown, CA
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Middletown, CA
- Average sunshine days in January: 20 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in January
Middletown, 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 2).
Average cloud cover in January
Middletown, CA
- Average cloud cover in January: 39
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in January
Middletown, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
