May weather forecastHeber, CA
May
Weather in May
May, the last month of the spring in Heber, is also a hot month, with an average temperature varying between 67.5°F (19.7°C) and 93.4°F (34.1°C).Temperature
The beginning of May signals a minor rise in the average high-temperature, moving from a hot 86.9°F (30.5°C) in April to a still tropical 93.4°F (34.1°C). Despite considerable daily temperature swings, a steady low-temperature average of 67.5°F (19.7°C) is noted throughout May.Humidity
In May, the average relative humidity is 24%.Rainfall
The month with the least rainfall is May, when the rain falls for 0.8 days and typically collects 0.04" (1mm) of precipitation.Daylight
In Heber, the average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:24 pm. On the last day of May, in Heber, California, sunrise is at 5:35 am and sunset at 7:44 pm PDT.
Sunshine
In May, the average sunshine is 12h.UV index
In Heber, the average daily maximum UV index in May is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 8 in May interprets into the following advice:
Always take precautions; unprotected eyes and skin can be damaged rapidly. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Heber, CA
- Average high temperature in May: 93.4°F
The warmest month (with the highest average high temperature) is July (107.2°F).
The month with the lowest average high temperature is December (67.5°F).
- Average low temperature in May: 67.5°F
The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).
Average pressure in May
Heber, CA
- Average pressure in May: 29.83"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in May
Heber, CA
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Heber, CA
- Average humidity in May: 24%
The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (20%).
Average rainfall in May
Heber, CA
- Average rainfall in May: 0.04"
The wettest month (with the highest rainfall) is July (0.43").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in May
Heber, CA
- Average rainfall days in May: 0.8 days
The month with the highest number of rainy days is July (4.8 days).
The month with the least rainy days is May (0.8 days).
Average daylight in May /
Average sunshine in May
Heber, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 12h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in May
Heber, CA
- Average sunshine days in May: 30.1 days
The month with the most sunshine days is May (30.1 days).
The month with the least sunshine days is July (23.9 days).
Average UV index in May
Heber, CA
- Average UV index in May: 8
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover in May
Heber, CA
- Average cloud cover in May: 6
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in May
Heber, 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).





