Climate and monthly weather forecastBelmont, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Belmont, California, is a moderate winter month, with an average temperature varying between 46°F (7.8°C) and 56.8°F (13.8°C). 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). Weather in January »Weather in February
February, the last month of the winter in Belmont, is another refreshing month, with an average temperature fluctuating between 46.2°F (7.9°C) and 58.1°F (14.5°C). Upon the onset of February, Belmont witnesses an average high-temperature of a still mild 58.1°F (14.5°C), showing a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Belmont, is still a mild month, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 47.1°F (8.4°C). In March, Belmont notes an average high-temperature of a still refreshing 59.7°F (15.4°C), hardly different from the preceding month. Weather in March »Weather in April
April is a refreshing spring month in Belmont, California, with an average temperature fluctuating between 48°F (8.9°C) and 62.6°F (17°C). As Belmont welcomes April, the average high-temperature is noted at a still refreshing 62.6°F (17°C), closely aligning with the preceding month. Weather in April »Weather in May
May, the last month of the spring in Belmont, is also an enjoyable month, with an average temperature varying between 65.1°F (18.4°C) and 50°F (10°C). Belmont's shift into May sets the average high-temperature at a still enjoyable 65.1°F (18.4°C), a figure that deviates only slightly from April's 62.6°F (17°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Belmont, California, with an average temperature ranging between max 70.3°F (21.3°C) and min 53.2°F (11.8°C). The initiation of June records an average high-temperature of an agreeable 70.3°F (21.3°C), displaying a near consistency with the previous month. Weather in June »Weather in July
July, like June, is an agreeable summer month in Belmont, California, with an average temperature varying between 72.9°F (22.7°C) and 54.3°F (12.4°C). Entering July, Belmont's average high-temperature reads a still pleasant 72.9°F (22.7°C), indicating a close resemblance to the previous month's climate. Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Belmont, California, with an average temperature varying between 73°F (22.8°C) and 56.1°F (13.4°C). With average high and low temperatures of 73°F (22.8°C) and 56.1°F (13.4°C) respectively, August is Belmont's warmest month. Weather in August »Weather in September
September, the first month of the autumn in Belmont, is also an agreeable month, with an average temperature varying between 72.9°F (22.7°C) and 56.7°F (13.7°C). In September, Belmont experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 73°F (22.8°C) in August to a still agreeable 72.9°F (22.7°C). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Belmont, California, with an average temperature fluctuating between 68.5°F (20.3°C) and 54.9°F (12.7°C). As Belmont steps into October, the average high-temperature is measured at a still pleasant 68.5°F (20.3°C), displaying minor differences from September's 72.9°F (22.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Belmont, California, with an average temperature fluctuating between 50.5°F (10.3°C) and 61.7°F (16.5°C). November's arrival comes with a mild decrease in the average high-temperature, moving subtly from an agreeable 68.5°F (20.3°C) in October to an enjoyable 61.7°F (16.5°C). Weather in November »Weather in December
December, the first month of the winter in Belmont, is also a moderate month, with an average temperature fluctuating between 46.2°F (7.9°C) and 55.9°F (13.3°C). The coldest month is December, with an average high-temperature of 55.9°F (13.3°C) and an average low-temperature of 46.2°F (7.9°C). Weather in December »Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 77.5 rainfall days, and 11.22" (285mm) of precipitation is accumulated.
February is the month with the most rainfall. Rain falls for 8.6 days and accumulates 2.09" (53mm) of precipitation.
The months with the lowest UV index in Belmont are February, November and December, with an average maximum UV index of 3.
The most humid month is March, with an average relative humidity of 75%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
June has the longest days of the year, with an average of 14h and 42min of daylight.
The months with the highest UV index are June through September, with an average maximum UV index of 5.
The months with the least rainfall are July and August Rain falls for 1.8 days and accumulates 0.08" (2mm) of rain.
With an average of 12h of sunshine, July has the most sunshine of the year in Belmont, California.
In Belmont, August is known for its average highest temperatures, reaching a high of 73°F (22.8°C) and a low of 56.1°F (13.4°C).
The least humid month is October, with an average relative humidity of 68%.
With average temperatures fluctuating between a high of 55.9°F (13.3°C) and a low of 46.2°F (7.9°C), December stands out as the coldest month.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
With an average of 5.8h of sunshine, December has the least sunshine of the year.
Average temperature
Belmont, CA
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).
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
Belmont, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"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
Belmont, CA
- Average wind speed in January:
5.8mph - Average wind speed in February:
6.9mph - Average wind speed in March:
7.2mph - Average wind speed in April:
7.5mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.6mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.4mph
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
Belmont, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Belmont, CA
- Average rainfall in January:
1.69" - Average rainfall in February:
2.09" - Average rainfall in March:
1.97" - Average rainfall in April:
0.67" - Average rainfall in May:
0.59" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.16" - Average rainfall in October:
0.59" - Average rainfall in November:
1.3" - Average rainfall in December:
1.89"
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
Belmont, CA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
8.1 days - Average rainfall days in May:
5.9 days - Average rainfall days in June:
2.2 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
2 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
5 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
11 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 / Average sunshine
Belmont, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
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 12min - Average sunshine in February:
6h and 18min - Average sunshine in March:
7h and 54min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 48min
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
Belmont, CA
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
18.5 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
20.2 days - Average sunshine days in May:
21.6 days - Average sunshine days in June:
24.8 days
- Average sunshine days in July:
25.3 days - Average sunshine days in August:
23.1 days - Average sunshine days in September:
23.9 days - Average sunshine days in October:
24.5 days - Average sunshine days in November:
22 days - Average sunshine days in December:
19.3 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
Belmont, CA
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
Belmont, CA
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
Belmont, CA
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).
