April weather forecastPalermo, CA
April
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).Temperature
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). Palermo records an average nighttime low-temperature of 47.7°F (8.7°C) throughout April.Humidity
In Palermo, the average relative humidity in April is 62%.Rainfall
In April, in Palermo, the rain falls for 9.4 days. Throughout April, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Palermo, there are 80.4 rainfall days, and 24.21" (615mm) of precipitation is accumulated.Snowfall
In Palermo, California, snow does not fall in January through November.Daylight
In April, the average length of the day is 13h and 16min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:07 am and sunset at 7:59 pm PDT.
Sunshine
In April, the average sunshine in Palermo is 10.2h.UV index
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Palermo, CA
- Average high temperature in April: 68.9°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 April: 47.7°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 April
Palermo, CA
- Average pressure in April: 30.01"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 April
Palermo, CA
- Average wind speed in April: 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 April
Palermo, CA
- Average humidity in April: 62%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).
Average rainfall in April
Palermo, CA
- Average rainfall in April: 1.5"
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 April
Palermo, CA
- Average rainfall days in April: 9.4 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 April
Palermo, CA
- Average snowfall days in April: 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 April /
Average sunshine in April
Palermo, CA
- Average daylight in April: 13h and 18min
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 April: 10h and 12min
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 April
Palermo, CA
- Average sunshine days in April: 19.1 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 April
Palermo, CA
- Average UV index in April: 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 April
Palermo, CA
- Average cloud cover in April: 27
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 April
Palermo, CA
- Average visibility in April: 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).
