Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As April arrives, Healdsburg's weather shows a minor increase in high-temperatures, edging from March's 60.4°F (15.8°C) to a still refreshing 66°F (18.9°C). Nighttime in April brings a stark departure from the daily high in Healdsburg, resting at an average low-temperature of 43.5°F (6.4°C).Humidity
In April, the average relative humidity in Healdsburg is 70%.Rainfall
In Healdsburg, in April, during 9.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 81.2 rainfall days, and 19.84" (504mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Healdsburg.Daylight
The average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:54 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:03 pm PDT.
Sunshine
In Healdsburg, the average sunshine in April is 10h.UV index
In Healdsburg, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in April transforms into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average April temperature in Healdsburg?
What is the average humidity in April in Healdsburg?
How many days does it rain in April in Healdsburg?
When it does not snow in Healdsburg?
How many hours of daylight does Healdsburg have in April?
When is the sunrise / sunset in April in Healdsburg?
How long on average sun shines in April in Healdsburg?
What is the UV index intensity in April in Healdsburg?
Average temperature in April
Healdsburg, CA
- Average high temperature in April: 66°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in April
Healdsburg, CA
- Average pressure in April: 30.03"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 in April
Healdsburg, CA
- Average wind speed in April: 6.2mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in April
Healdsburg, CA
- Average humidity in April: 70%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (57%).
Average rainfall in April
Healdsburg, CA
- Average rainfall in April: 1.06"
The wettest month (with the highest rainfall) is February (4.33").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Healdsburg, CA
- Average rainfall days in April: 9.2 days
The month with the highest number of rainy days is March (14.2 days).
The month with the least rainy days is August (0.8 days).
Average snowfall in April
Healdsburg, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Healdsburg, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Healdsburg, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 10h and 0min
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 36min).
Average sunshine days in April
Healdsburg, CA
- Average sunshine days in April: 19.4 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in April
Healdsburg, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Healdsburg, CA
- Average cloud cover in April: 31
The month with the most cloud cover is March (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in April
Healdsburg, 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).
Healdsburg, California, USA
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