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 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
The onset of May introduces a subtle rise in the average high-temperature, nudging from a refreshing 66°F (18.9°C) in April to a pleasant 71.4°F (21.9°C). The nighttime temperature in Healdsburg during May displays a significant divergence from daily peaks, averaging at a chilly 47.3°F (8.5°C).Humidity
In May, the average relative humidity is 67%.Rainfall
In Healdsburg, in May, it is raining for 6.2 days, with typically 0.98" (25mm) of accumulated precipitation. 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 May in Healdsburg, California, is 14h and 18min.On the first day of May in Healdsburg, California, sunrise is at 6:12 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:29 pm PDT.
Sunshine
In May, the average sunshine is 10.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the usual temperature for Healdsburg in May?
What is the average humidity in May in Healdsburg?
How much does it rain in Healdsburg in May?
When it does not snow in Healdsburg?
How many hours of daylight does Healdsburg have in May?
What time are sunrise and sunset in May in Healdsburg?
How long on average sun shines in May in Healdsburg?
How high is the UV index in May in Healdsburg?
Average temperature in May
Healdsburg, CA
- Average high temperature in May: 71.4°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 May: 47.3°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 May
Healdsburg, CA
- Average pressure in May: 29.97"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 May
Healdsburg, CA
- Average wind speed in May: 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 May
Healdsburg, CA
- Average humidity in May: 67%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (57%).
Average rainfall in May
Healdsburg, CA
- Average rainfall in May: 0.98"
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 May
Healdsburg, CA
- Average rainfall days in May: 6.2 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 May
Healdsburg, CA
- Average snowfall in May: 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 May
Healdsburg, CA
- Average snowfall days in May: 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 May /
Average sunshine in May
Healdsburg, CA
- Average daylight in May: 14h and 2min
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 May: 10h and 4min
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 May
Healdsburg, CA
- Average sunshine days in May: 23.4 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 May
Healdsburg, CA
- Average UV index in May: 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 May
Healdsburg, CA
- Average cloud cover in May: 25
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 May
Healdsburg, 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).
Healdsburg, California, USA
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