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 marks a slight increase in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in April to a warm 74.5°F (23.6°C). A significant drop from the day's peak to an average low-temperature of 52°F (11.1°C) is noted during the nights in May in Cajon Junction.Humidity
In May, the average relative humidity is 46%.Rainfall
May is the last month it rains. During 2.4 rainfall days, in May, Cajon Junction aggregates 0.08" (2mm) of precipitation. In Cajon Junction, during the entire year, the rain falls for 32.3 days and collects up to 2.52" (64mm) of precipitation.Snowfall
In Cajon Junction, snow does not fall in May through October.Daylight
In Cajon Junction, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:34 pm. On the last day of May, in Cajon Junction, California, sunrise is at 5:38 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in May is 11.9h.UV index
In Cajon Junction, California, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Cajon Junction?
What is the average humidity in May in Cajon Junction?
What is the last month it rains in Cajon Junction?
When it does not snow in Cajon Junction?
Does it snow in Cajon Junction in May?
What is the average length of the day in May in Cajon Junction?
What time are sunrise and sunset in May in Cajon Junction?
How many hours of sunshine does Cajon Junction have in May?
How high is the UV index in May in Cajon Junction?
Average temperature in May
Cajon Junction, CA
- Average high temperature in May: 74.5°F
The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).
Average pressure in May
Cajon Junction, CA
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Cajon Junction, CA
- Average wind speed in May: 8.1mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).
Average humidity in May
Cajon Junction, CA
- Average humidity in May: 46%
The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is August (33%).
Average rainfall in May
Cajon Junction, CA
- Average rainfall in May: 0.08"
The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").
Average rainfall days in May
Cajon Junction, CA
- Average rainfall days in May: 2.4 days
The month with the highest number of rainy days is March (4.9 days).
The month with the least rainy days is June (0.7 days).
Average snowfall in May
Cajon Junction, CA
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Cajon Junction, CA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Cajon Junction, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
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 month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Cajon Junction, CA
- Average sunshine days in May: 28 days
The month with the most sunshine days is June (29 days).
The month with the least sunshine days is February (23.6 days).
Average UV index in May
Cajon Junction, CA
- Average UV index in May: 6
The months with the highest UV index are 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
Cajon Junction, CA
- Average cloud cover in May: 10
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Cajon Junction, 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).
Cajon Junction, California, USA
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