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
Summerland marks the onset of January with an average high-temperature of a still refreshing 60.8°F (16°C), a subtle shift from December's 59.4°F (15.2°C). The low-temperature averages to a frosty 46.9°F (8.3°C) during the nights of January.Humidity
In Summerland, the average relative humidity in January is 57%.Rainfall
In Summerland, in January, it is raining for 5.2 days, with typically 1.38" (35mm) of accumulated precipitation. In Summerland, California, during the entire year, the rain falls for 46.9 days and collects up to 7.83" (199mm) 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 7:04 am and sunset at 4:58 pm. On the last day of January, sunrise is at 6:56 am and sunset at 5:26 pm PST.
Sunshine
In Summerland, the average sunshine in January is 6.7h.UV index
In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during January leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Summerland have in January?
How high is the UV index in January?
Average temperature in January
Summerland, CA
- Average high temperature in January: 60.8°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (59.4°F).
- Average low temperature in January: 46.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (45.3°F).
Average pressure in January
Summerland, CA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.9"Hg).
Average wind speed in January
Summerland, CA
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Summerland, 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 (53%).
Average rainfall in January
Summerland, CA
- Average rainfall in January: 1.38"
The wettest months (with the highest rainfall) are February and March (1.46").
The driest months (with the least rainfall) are June and August (0.12").
Average rainfall days in January
Summerland, CA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.5 days).
Average daylight in January /
Average sunshine in January
Summerland, CA
- Average daylight in January: 10h and 1min
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 4min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in January
Summerland, CA
- Average sunshine days in January: 25.2 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in January
Summerland, 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 3).
Average cloud cover in January
Summerland, CA
- Average cloud cover in January: 22
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Summerland, 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).
Summerland, California, USA
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