Climate and monthly weather forecastPiedmont, CA
Climate and monthly weather forecast
Weather in January
January, like December, is a moderate winter month in Piedmont, California, with an average temperature fluctuating between 44.2°F (6.8°C) and 56.3°F (13.5°C). Piedmont's shift into January sets the average high-temperature at a still moderate 56.3°F (13.5°C), a figure that deviates only slightly from December's 55.4°F (13°C). Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Piedmont, California, with an average temperature fluctuating between 58.8°F (14.9°C) and 45°F (7.2°C). February begins with an average high-temperature of a still refreshing 58.8°F (14.9°C), reflecting close similarity to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Piedmont, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 60.8°F (16°C). The shift into March reveals an average high-temperature of a still refreshing 60.8°F (16°C), closely mirroring February's climate. Weather in March »Weather in April
April, like March, in Piedmont, California, is another enjoyable spring month, with an average temperature fluctuating between 47.8°F (8.8°C) and 65.3°F (18.5°C). In April, the average high-temperature registers at a still comfortable 65.3°F (18.5°C), nearly identical to March's 60.8°F (16°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Piedmont, California, with an average temperature varying between 50.5°F (10.3°C) and 68°F (20°C). Piedmont marks the onset of May with an average high-temperature of a pleasant 68°F (20°C), subtly divergent from April's 65.3°F (18.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Piedmont, California, with an average temperature fluctuating between 73.8°F (23.2°C) and 54.1°F (12.3°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from an agreeable 68°F (20°C) in May to a moderately hot 73.8°F (23.2°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Piedmont, California, with an average temperature varying between 75.6°F (24.2°C) and 55°F (12.8°C). July's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 75.6°F (24.2°C) from June's 73.8°F (23.2°C). Weather in July »Weather in August
August, the last month of the summer in Piedmont, is another warm month, with an average temperature varying between 75.7°F (24.3°C) and 56.7°F (13.7°C). The average high-temperature in August, at a still moderately hot 75.7°F (24.3°C), reveals a modest deviation from July's 75.6°F (24.2°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Piedmont, California, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 56.8°F (13.8°C). In Piedmont, the month of September registers the highest temperatures, averaging 76.6°F (24.8°C) at the peak and 56.8°F (13.8°C) at the lowest. Weather in September »Weather in October
October, like September, is an agreeable autumn month in Piedmont, California, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 70.7°F (21.5°C). October ushers in a minor alteration in Piedmont's climate, with the average high-temperature moving from September's warm 76.6°F (24.8°C) to an agreeable 70.7°F (21.5°C). Weather in October »Weather in November
November, the last month of the autumn in Piedmont, is another comfortable month, with an average temperature varying between 49.5°F (9.7°C) and 62.4°F (16.9°C). In Piedmont, entering November brings a subtle temperature decrement, reducing from October's agreeable 70.7°F (21.5°C) to a refreshing 62.4°F (16.9°C). Weather in November »Weather in December
December, the first month of the winter in Piedmont, is still a mild month, with an average temperature varying between 44.6°F (7°C) and 55.4°F (13°C). With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 44.6°F (7°C), December is the coldest month. Weather in December »Updated: Jul 23, 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
In Piedmont, during the entire year, the rain falls for 55.6 days and collects up to 5.24" (133mm) of precipitation.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
The month with the most rainfall is February, when the rain falls for 6.2 days and typically aggregates up to 1.1" (28mm) of precipitation.
With an average relative humidity of 75%, March is the most humid month.
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.
The months with the highest UV index in Piedmont are April through September, with an average maximum UV index of 5.
June through September are months with the least rain in Piedmont when the rain falls for 1.6 days and typically aggregates up to 0.08" (2mm) of rain.
June has the longest days of the year, with an average of 14h and 42min of daylight.
July has the most sunshine of the year, with an average of 11.9h of sunshine.
September temperatures tend to peak at an average high of 76.6°F (24.8°C) and dip to a low of 56.8°F (13.8°C).
October is the least humid month in Piedmont, with an average relative humidity of 64%.
Piedmont records the coldest temperatures in December, averaging a high of 55.4°F (13°C) and a low of 44.6°F (7°C).
With an average of 9h and 36min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 5.8h of sunshine.
Average temperature
Piedmont, CA
The warmest month (with the highest average high temperature) is September (76.6°F).
The month with the lowest average high temperature is December (55.4°F).
The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure
Piedmont, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"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 months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Piedmont, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.6mph - Average wind speed in April:
7mph - Average wind speed in May:
7.3mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (5mph).
Average humidity
Piedmont, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (64%).
Average rainfall
Piedmont, CA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.1" - Average rainfall in March:
0.71" - Average rainfall in April:
0.24" - Average rainfall in May:
0.28" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.28" - Average rainfall in November:
0.51" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is February (1.1").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days
Piedmont, CA
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
5.9 days - Average rainfall days in May:
4 days - Average rainfall days in June:
1.6 days
- Average rainfall days in July:
2.1 days - Average rainfall days in August:
1.5 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
3.5 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (1.5 days).
Average daylight / Average sunshine
Piedmont, 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 6min - 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 6min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 24min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Piedmont, CA
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
20.5 days - Average sunshine days in March:
21.1 days - Average sunshine days in April:
23.7 days - Average sunshine days in May:
23.1 days - Average sunshine days in June:
25.2 days
- Average sunshine days in July:
25.5 days - Average sunshine days in August:
23.3 days - Average sunshine days in September:
24.9 days - Average sunshine days in October:
26 days - Average sunshine days in November:
24.1 days - Average sunshine days in December:
22.1 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is February (20.5 days).
Average UV index
Piedmont, CA
The months with the highest UV index are April, May, 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
Piedmont, CA
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility
Piedmont, 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).
