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 sea temperature 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's arrival brings an average high-temperature of a moderate 56.1°F (13.4°C), demonstrating subtle variation from the preceding month. Throughout January, the nighttime temperature averages to a chilly 46.2°F (7.9°C).Humidity
The average relative humidity in January in Belvedere is 73%.Rainfall
In Belvedere, in January, during 7.6 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 64.2 rainfall days, and 4.8" (122mm) of precipitation is accumulated.Ocean temperature
In Belvedere, California, the average seawater temperature in January is 53.2°F (11.8°C).Note: To swim in 53.2°F (11.8°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.
Daylight
The average length of the day in January is 9h and 54min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:01 pm. On the last day of January, in Belvedere, sunrise is at 7:14 am and sunset at 5:31 pm PST.
Sunshine
In January, the average sunshine is 5.9h.UV index
The months with the lowest UV index in Belvedere are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the UV index of 3 transforms into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the average January temperature in Belvedere?
What is the average humidity in January in Belvedere?
How much does it rain in Belvedere in January?
What is the water temperature in January in Belvedere?
What is the average length of the day in January in Belvedere?
What time are sunrise and sunset in January in Belvedere?
How long on average sun shines in January in Belvedere?
What are the months with the lowest UV index in Belvedere?
What is the UV index reading in January in Belvedere?
Average temperature in January
Belvedere, CA
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in January: 46.2°F
The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).
Average pressure in January
Belvedere, 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
Belvedere, CA
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).
Average humidity in January
Belvedere, CA
- Average humidity in January: 73%
The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Belvedere, CA
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in January
Belvedere, CA
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).
Average sea temperature in January
Belvedere, CA
- Average sea temperature in January: 53.2°F
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight in January /
Average sunshine in January
Belvedere, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Belvedere, CA
- Average sunshine days in January: 22.1 days
The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in January
Belvedere, CA
- Average UV index in January: 3
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Belvedere, CA
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in January
Belvedere, 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).
Belvedere, California, USA
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