Climate and monthly weather forecastPalermo, CA
Climate and monthly weather forecast
Weather in January
January in Palermo, California, is a mild winter month, with an average temperature fluctuating between 41.9°F (5.5°C) and 56.8°F (13.8°C). January denotes a minimal variation in the average high-temperature to a mild 56.8°F (13.8°C) from December's 54.5°F (12.5°C). Weather in January »Weather in February
February, the last month of the winter in Palermo, is also a moderate month, with an average temperature varying between 41.7°F (5.4°C) and 58.6°F (14.8°C). The advent of February presents an average high-temperature of a still mild 58.6°F (14.8°C), maintaining a close correlation with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Palermo, is a comfortable month, with an average temperature fluctuating between 61.3°F (16.3°C) and 43.9°F (6.6°C). March observes an average high-temperature of a comfortable 61.3°F (16.3°C), marking an insignificant difference from February's 58.6°F (14.8°C). Weather in March »Weather in April
April is an agreeable spring month in Palermo, California, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 68.9°F (20.5°C). Palermo's transition into April brings a slight rise in the average high-temperature, moving from a comfortable 61.3°F (16.3°C) in March to an agreeable 68.9°F (20.5°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Palermo, California, with an average temperature fluctuating between 53.1°F (11.7°C) and 77.5°F (25.3°C). Palermo experiences a minor temperature shift with the start of May, with average high-temperatures moving from an agreeable 68.9°F (20.5°C) in April to a warm 77.5°F (25.3°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Palermo, California, with an average temperature ranging between min 60.1°F (15.6°C) and max 88.3°F (31.3°C). With the onset of June, Palermo's average high-temperature sees a rise, moving from May's warm 77.5°F (25.3°C) to a tropical 88.3°F (31.3°C). Weather in June »Weather in July
July in Palermo, California, is a fiery hot summer month, with an average temperature varying between 63.7°F (17.6°C) and 95.9°F (35.5°C). Palermo experiences its highest average temperatures in July, reaching a peak of 95.9°F (35.5°C) and a minimum of 63.7°F (17.6°C). Weather in July »Weather in August
August, the last month of the summer in Palermo, is also a hot month, with temperature in the range of an average high of 94.6°F (34.8°C) and an average low of 62.2°F (16.8°C). As July turns into August, the average high-temperatures rest at a tropical 94.6°F (34.8°C), showing a minor variation from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Palermo, is still a hot month, with temperature in the range of an average high of 88.9°F (31.6°C) and an average low of 61°F (16.1°C). The shift from August to September includes a small decrease in the average high-temperature, from a tropical 94.6°F (34.8°C) to a still hot 88.9°F (31.6°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Palermo, California, with an average temperature ranging between min 54°F (12.2°C) and max 76.1°F (24.5°C). Observing a mild shift, the average high-temperature during October reduces from September's hot 88.9°F (31.6°C) to a moderately hot 76.1°F (24.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Palermo, California, with an average temperature ranging between min 45.7°F (7.6°C) and max 63.1°F (17.3°C). The commencement of November indicates a shift in the average high-temperature, receding from October's moderately hot 76.1°F (24.5°C) to a refreshing 63.1°F (17.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Palermo, California, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 54.5°F (12.5°C). December proves to be the coldest month, recording an average maximum temperature of 54.5°F (12.5°C) and a minimum temperature of 40.6°F (4.8°C). Weather in December »Updated: Feb 9, 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 Palermo, California, during the entire year, the rain falls for 80.4 days and collects up to 24.21" (615mm) of precipitation.
January through November are months without snowfall in Palermo.
In Palermo, California, during the entire year, snow falls for 0.1 days.
The months with the lowest UV index in Palermo are January, February, November and December, with an average maximum UV index of 3.
With an average relative humidity of 72%, March is the most humid month in Palermo, California.
March is the month with the most rainfall. Rain falls for 14.3 days and accumulates 4.61" (117mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Palermo, 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.
With an average of 14h and 54min of daylight, June has the longest days of the year in Palermo, California.
June and July, with an average maximum UV index of 7, are months with the highest UV index in Palermo.
July, noted for its average high-temperature of 95.9°F (35.5°C) and an average low-temperature of 63.7°F (17.6°C), is considered the warmest month in Palermo.
The least humid month in Palermo is July, with an average relative humidity of 33%.
The month with the least rainfall in Palermo, California, is July, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.
The month with the most sunshine is July, with an average of 12.1h of sunshine.
December is the month that records the lowest temperatures in Palermo, with averages ranging from a high of 54.5°F (12.5°C) to a low of 40.6°F (4.8°C).
The only month with snowfall in Palermo, California, is December.
The month with the most snowfall days is December, when snow falls for 0.1 days.
December has the shortest days of the year in Palermo, California, with an average of 9h and 24min of daylight.
The month with the least sunshine in Palermo is December, with an average of 5.8h of sunshine.
Average temperature
Palermo, CA
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure
Palermo, CA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Palermo, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.2mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.3mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).
Average humidity
Palermo, CA
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).
Average rainfall
Palermo, CA
- Average rainfall in January:
3.46" - Average rainfall in February:
4.45" - Average rainfall in March:
4.61" - Average rainfall in April:
1.5" - Average rainfall in May:
1.18" - Average rainfall in June:
0.28"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.12" - Average rainfall in September:
0.31" - Average rainfall in October:
1.3" - Average rainfall in November:
2.64" - Average rainfall in December:
4.33"
The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days
Palermo, CA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
9.4 days - Average rainfall days in May:
5.9 days - Average rainfall days in June:
2.6 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).
Average snowfall days
Palermo, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Palermo, CA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 36min - Average sunshine in April:
10h and 12min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 12min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Palermo, CA
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
19.1 days - Average sunshine days in May:
23.9 days - Average sunshine days in June:
27 days
- Average sunshine days in July:
29.3 days - Average sunshine days in August:
28.6 days - Average sunshine days in September:
27 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).
Average UV index
Palermo, CA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Palermo, CA
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Palermo, 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).
