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
January brings an average high-temperature of a still refreshing 64.9°F (18.3°C), showing a slight difference from December's 62.8°F (17.1°C). The mean low-temperature during January nights is a frosty 45.3°F (7.4°C).Humidity
In January, the average relative humidity in Ramona is 54%.Rainfall
In Ramona, California, in January, during 4.8 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Ramona, during the entire year, the rain falls for 54.6 days and collects up to 6.06" (154mm) of precipitation.Daylight
The average length of the day in January in Ramona, California, is 10h and 16min.On the first day of January, sunrise is at 6:50 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 5:18 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.UV index
In Ramona, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in January suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ramona in January?
What is the average humidity in January in Ramona?
How many days does it rain in January in Ramona?
How many hours of daylight does Ramona have in January?
When are sunrise and sunset in January in Ramona?
What is the month with the least sunshine in Ramona?
How many hours of sunshine does Ramona have in January?
How high is the UV index in January in Ramona?
Average temperature in January
Ramona, CA
- Average high temperature in January: 64.9°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in January: 45.3°F
The month with the highest average low temperature is August (63.7°F).
The coldest months (with the lowest average low temperature) are February and December (44.6°F).
Average pressure in January
Ramona, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Ramona, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).
Average humidity in January
Ramona, CA
- Average humidity in January: 54%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Ramona, CA
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Ramona, CA
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in January /
Average sunshine in January
Ramona, CA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in January
Ramona, CA
- Average sunshine days in January: 24.7 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in January
Ramona, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Ramona, CA
- Average cloud cover in January: 21
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Ramona, 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).
Ramona, California, USA
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