January weather forecastRomoland, CA
January
Weather in January
January, like December, in Romoland, California, is another refreshing winter month, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 44.2°F (6.8°C).Temperature
The transition into January marks the average high-temperature at a still refreshing 63.5°F (17.5°C), differing minimally from December's 61°F (16.1°C). During January, Romoland's temperature averages to a chilly 44.2°F (6.8°C) at night.Humidity
In Romoland, California, the average relative humidity in January is 53%.Rainfall
In Romoland, in January, during 5.6 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Romoland, during the entire year, the rain falls for 55.7 days and collects up to 7.05" (179mm) of precipitation.Snowfall
In Romoland, California, snow does not fall in January, March through December.Daylight
The average length of the day in January is 10h and 13min.On the first day of the month, sunrise is at 6:53 am and sunset at 4:50 pm. On the last day of January, sunrise is at 6:45 am and sunset at 5:18 pm PST.
Sunshine
In January, the average sunshine in Romoland is 6.8h.UV index
In January, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During January, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Romoland, CA
- Average high temperature in January: 63.5°F
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in January: 44.2°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).
Average pressure in January
Romoland, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Romoland, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in January
Romoland, CA
- Average humidity in January: 53%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in January
Romoland, CA
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Romoland, CA
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in January
Romoland, 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
Romoland, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Romoland, 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: 10h and 0min).
- Average sunshine in January: 6h and 48min
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 42min).
Average sunshine days in January
Romoland, CA
- Average sunshine days in January: 24.1 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in January
Romoland, CA
- Average UV index in January: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Romoland, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Romoland, 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).
