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 arrival of May introduces a minor uplift in high-temperatures, adjusting from an agreeable 69.4°F (20.8°C) in April to a moderately hot 76.5°F (24.7°C). May's nights in Helendale exhibit a sharp contrast from day highs, with an average temperature of 53.4°F (11.9°C).Humidity
In Helendale, California, the average relative humidity in May is 39%.Rainfall
In May, in Helendale, the rain falls for 2.1 days. Throughout May, 0.08" (2mm) of precipitation is accumulated. Throughout the year, in Helendale, there are 44.8 rainfall days, and 4.8" (122mm) of precipitation is accumulated.Snowfall
March, May through October are months without snowfall in Helendale.Daylight
In Helendale, the average length of the day in May is 14h and 0min.On the first day of May in Helendale, sunrise is at 5:57 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:57 pm PDT.
Sunshine
In May, the average sunshine is 11.9h.UV index
In Helendale, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the average May temperature in Helendale?
What is the average humidity in May in Helendale?
How much does it rain in Helendale in May?
When it does not snow in Helendale?
Does it snow in Helendale in May?
How many hours of daylight does Helendale have in May?
When is the sunrise / sunset in May in Helendale?
How many hours of sunshine does Helendale have in May?
What is the UV index reading in May in Helendale?
Average temperature in May
Helendale, CA
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.2°F).
- Average low temperature in May: 53.4°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in May
Helendale, CA
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in May
Helendale, CA
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is May (10.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in May
Helendale, CA
- Average humidity in May: 39%
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (27%).
Average rainfall in May
Helendale, CA
- Average rainfall in May: 0.08"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Helendale, CA
- Average rainfall days in May: 2.1 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).
Average snowfall in May
Helendale, CA
- Average snowfall in May: 0"
The month with the highest snowfall is November (1.73").
The months with the least snowfall are March, May, June, July, August, September and October (0").
Average snowfall days in May
Helendale, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Helendale, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in May
Helendale, CA
- Average sunshine days in May: 28.1 days
The month with the most sunshine days is June (28.9 days).
The month with the least sunshine days is February (22.4 days).
Average UV index in May
Helendale, CA
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Helendale, CA
- Average cloud cover in May: 10
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 5).
Average visibility in May
Helendale, 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).
Helendale, California, USA
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