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 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
May comes with a subtle rise, with the average high-temperature adjusting from 73.9°F (23.3°C) in April to a still moderately hot 82°F (27.8°C). Helm's average nighttime temperature descends significantly from the day's peak in May, settling at a refreshing 56.7°F (13.7°C).Heat index
The heat index value for May is appraised at 82.4°F (28°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In May, the average relative humidity in Helm, California, is 42%.Rainfall
In May, in Helm, California, the rain falls for 2.7 days. Throughout May, 0.16" (4mm) of precipitation is accumulated. Throughout the year, there are 37.2 rainfall days, and 2.48" (63mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 14h and 8min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:49 pm. On the last day of May, in Helm, sunrise is at 5:43 am and sunset at 8:12 pm PDT.
Sunshine
In Helm, the average sunshine in May is 11.5h.UV index
In May, the average daily maximum UV index in Helm is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Helm in May?
What is the average humidity in May in Helm?
How many days does it rain in May in Helm?
What is the average length of the day in May in Helm?
When are sunrise and sunset in May in Helm?
How many hours of sunshine does Helm have in May?
How high is the UV index in May in Helm?
Average temperature in May
Helm, CA
- Average high temperature in May: 82°F
The warmest month (with the highest average high temperature) is July (100.9°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).
Average pressure in May
Helm, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Helm, CA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).
Average humidity in May
Helm, CA
- Average humidity in May: 42%
The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).
Average rainfall in May
Helm, CA
- Average rainfall in May: 0.16"
The wettest months (with the highest rainfall) are February and March (0.43").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in May
Helm, CA
- Average rainfall days in May: 2.7 days
The month with the highest number of rainy days is March (7 days).
The months with the least rainy days are August and September (0.5 days).
Average daylight in May /
Average sunshine in May
Helm, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in May
Helm, CA
- Average sunshine days in May: 27.5 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (22 days).
Average UV index in May
Helm, 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, November and December (UV index 3).
Average cloud cover in May
Helm, CA
- Average cloud cover in May: 15
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in May
Helm, 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).
Helm, California, USA
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