May weather forecastChallenge, CA
May
Weather in May
May, the last month of the spring in Challenge, is a moderately hot month, with an average temperature fluctuating between 73.8°F (23.2°C) and 50.7°F (10.4°C).Temperature
The start of May signals a slight increase in the average high-temperature, moving from a comfortable 65.7°F (18.7°C) in April to a warm 73.8°F (23.2°C). Challenge registers a pronounced decline from daytime peak temperatures, averaging a fresh 50.7°F (10.4°C) lows in May.Humidity
The average relative humidity in May is 55%.Rainfall
In Challenge, in May, during 8.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Challenge, California, during the entire year, the rain falls for 88.4 days and collects up to 30.35" (771mm) of precipitation.Snowfall
January, March through October are months without snowfall.Daylight
In Challenge, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:25 pm PDT.
Sunshine
In May, the average sunshine is 11h.UV index
In Challenge, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Challenge, CA
- Average high temperature in May: 73.8°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (52.5°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).
Average pressure in May
Challenge, CA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Challenge, CA
- Average wind speed in May: 6.1mph
The windiest months (with the highest average wind speed) are February, March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Challenge, CA
- Average humidity in May: 55%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and August (34%).
Average rainfall in May
Challenge, CA
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is March (6.02").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in May
Challenge, CA
- Average rainfall days in May: 8.5 days
The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is July (1.4 days).
Average snowfall in May
Challenge, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Challenge, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Challenge, CA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Challenge, CA
- Average sunshine days in May: 20.1 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (14.5 days).
Average UV index in May
Challenge, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Challenge, CA
- Average cloud cover in May: 22
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Challenge, 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).
