January weather forecastOrtonville, CA
January
Weather in January
January, the same as December, in Ortonville, California, is a moderate winter month, with an average temperature ranging between min 46.9°F (8.3°C) and max 60.4°F (15.8°C).Temperature
Ortonville indicates an average high-temperature of a still refreshing 60.4°F (15.8°C) in January, showing minor variation from December's 58.8°F (14.9°C). Ortonville experiences a consistent average temperature of 46.9°F (8.3°C) throughout the nights in January.Humidity
In January, the average relative humidity is 57%.Rainfall
The month with the most rainfall in Ortonville is January, when the rain falls for 5.5 days and typically aggregates up to 1.5" (38mm) of precipitation.Daylight
In January, the average length of the day is 10h and 10min.On the first day of the month, sunrise is at 7:03 am and sunset at 4:57 pm. On the last day of January, in Ortonville, sunrise is at 6:55 am and sunset at 5:25 pm PST.
Sunshine
In Ortonville, the average sunshine in January is 6.8h.UV index
In Ortonville, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 4 transforms into these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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
Average temperature in January
Ortonville, CA
- Average high temperature in January: 60.4°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in January: 46.9°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in January
Ortonville, CA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in January
Ortonville, CA
- Average wind speed in January: 5.9mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Ortonville, CA
- Average humidity in January: 57%
The month with the highest relative humidity is March (63%).
The months with the lowest relative humidity are October and November (52%).
Average rainfall in January
Ortonville, CA
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in January
Ortonville, CA
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is August (1.3 days).
Average daylight in January /
Average sunshine in January
Ortonville, CA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 6h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in January
Ortonville, CA
- Average sunshine days in January: 24.7 days
The month with the most sunshine days is October (25.7 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in January
Ortonville, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
Ortonville, CA
- Average cloud cover in January: 21
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Ortonville, 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).





