January weather forecastAnnapolis, CA
January
Weather in January
January is a refreshing winter month in Annapolis, California, with an average temperature ranging between max 56.7°F (13.7°C) and min 41°F (5°C).Temperature
On the advent of January, Annapolis's average high-temperature exhibits a minor adjustment to a mild 56.7°F (13.7°C) from December's 54.7°F (12.6°C). In January, the nighttime temperature lowers to an average of 41°F (5°C).Humidity
In Annapolis, the average relative humidity in January is 75%.Rainfall
In Annapolis, in January, it is raining for 11.1 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, there are 83.1 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:31 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:33 pm PST.
Sunshine
In Annapolis, the average sunshine in January is 5.7h.UV index
In Annapolis, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In January, a daily maximum UV index of 4 leads to the following instructions:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Annapolis, CA
- Average high temperature in January: 56.7°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in January: 41°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in January
Annapolis, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Annapolis, CA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in January
Annapolis, CA
- Average humidity in January: 75%
The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and September (60%).
Average rainfall in January
Annapolis, CA
- Average rainfall in January: 3.66"
The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Annapolis, CA
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).
Average snowfall in January
Annapolis, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.2").
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
Annapolis, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.3 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
Annapolis, CA
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Annapolis, CA
- Average sunshine days in January: 19 days
The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in January
Annapolis, 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 February, November and December (UV index 3).
Average cloud cover in January
Annapolis, CA
- Average cloud cover in January: 38
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in January
Annapolis, 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).
