Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
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). Palermo registers a significant reduction from the day's heat, with an average temperature drop to a fresh 53.1°F (11.7°C) in May.Humidity
In Palermo, California, the average relative humidity in May is 52%.Rainfall
In Palermo, during May, the rain falls for 5.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Palermo, California, during the entire year, the rain falls for 80.4 days and collects up to 24.21" (615mm) of precipitation.Snowfall
January through November are months without snowfall in Palermo.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:00 pm. On the last day of May, in Palermo, California, sunrise is at 5:41 am and sunset at 8:26 pm PDT.
Sunshine
In May, the average sunshine in Palermo is 11.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a regular UV index of 5 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Palermo?
What is the average humidity in May in Palermo?
How much does it rain in Palermo in May?
When it does not snow in Palermo?
How many hours of daylight does Palermo have in May?
When is the sunrise / sunset in May in Palermo?
How long on average sun shines in May in Palermo?
How high is the UV index in May in Palermo?
Average temperature in May
Palermo, CA
- Average high temperature in May: 77.5°F
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).
- Average low temperature in May: 53.1°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 in May
Palermo, CA
- Average pressure in May: 29.95"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 in May
Palermo, CA
- Average wind speed in May: 6.2mph
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 in May
Palermo, CA
- Average humidity in May: 52%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).
Average rainfall in May
Palermo, CA
- Average rainfall in May: 1.18"
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 in May
Palermo, CA
- Average rainfall days in May: 5.9 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 in May
Palermo, CA
- Average snowfall days in May: 0 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 in May /
Average sunshine in May
Palermo, CA
- Average daylight in May: 14h and 2min
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 May: 11h and 1min
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 in May
Palermo, CA
- Average sunshine days in May: 23.9 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 in May
Palermo, CA
- Average UV index in May: 5
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 in May
Palermo, CA
- Average cloud cover in May: 20
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 in May
Palermo, CA
- Average visibility in May: 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).
Palermo, California, USA
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