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
Exeter marks the start of January with an average high-temperature of a still moderate 58.3°F (14.6°C), hinting at a slight fluctuation from December's 56.3°F (13.5°C). Exeter reports an average nighttime low-temperature of 40.6°F (4.8°C) in January.Humidity
The most humid month is January, with an average relative humidity of 63%.Rainfall
In Exeter, during January, the rain falls for 7 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 55.9 rainfall days, and 11.65" (296mm) of precipitation is accumulated.Daylight
In January, the average length of the day is 10h and 1min.On the first day of the month, sunrise is at 7:07 am and sunset at 4:52 pm. On the last day of January, sunrise is at 6:58 am and sunset at 5:21 pm PST.
Sunshine
In Exeter, the average sunshine in January is 7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during January translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Exeter have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Exeter have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Exeter, CA
- Average high temperature in January: 58.3°F
The warmest month (with the highest average high temperature) is July (95.5°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in January: 40.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in January
Exeter, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Exeter, CA
- Average wind speed in January: 3.5mph
The windiest month (with the highest average wind speed) is June (4.6mph).
The calmest month (with the lowest average wind speed) is December (3.3mph).
Average humidity in January
Exeter, CA
- Average humidity in January: 63%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is August (29%).
Average rainfall in January
Exeter, CA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is March (2.32").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in January
Exeter, CA
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1 days).
Average daylight in January /
Average sunshine in January
Exeter, CA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in January
Exeter, CA
- Average sunshine days in January: 23.2 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in January
Exeter, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Exeter, CA
- Average cloud cover in January: 20
The month with the most cloud cover is March (Cloud cover 22).
The months with the least cloud cover are July, August and September (Cloud cover 4).
Average visibility in January
Exeter, 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).
Exeter, California, USA
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