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
A minimal variation is noted in Belmont's average high-temperature at the onset of January, reaching a still refreshing 56.8°F (13.8°C) from December's 55.9°F (13.3°C). Throughout January nights, Belmont registers an average low-temperature of 46°F (7.8°C).Humidity
The average relative humidity in January is 73%.Rainfall
In Belmont, during January, the rain falls for 9.9 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Belmont, during the entire year, the rain falls for 77.5 days and collects up to 11.22" (285mm) of precipitation.Daylight
In January, the average length of the day is 9h and 56min.On the first day of January, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January is 6.2h.UV index
In January, the average daily maximum UV index in Belmont is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during January morphs into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Belmont in January?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Belmont have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Belmont have in January?
What is the UV index reading in January?
Average temperature in January
Belmont, CA
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in January: 46°F
The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in January
Belmont, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in January
Belmont, CA
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).
Average humidity in January
Belmont, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Belmont, CA
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in January
Belmont, CA
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is July (1.8 days).
Average daylight in January /
Average sunshine in January
Belmont, 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: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in January
Belmont, CA
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in January
Belmont, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Belmont, CA
- Average cloud cover in January: 32
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Belmont, 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).
Belmont, California, USA
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