May weather forecastAnaheim, CA
May
Weather in May
May is characterized by consistently high sunshine hours in Anaheim, setting the stage for the approaching summer. Temperature scenarios shift, with a notable upswing from April’s high of 70.5°F (21.4°C) to May’s high of 72.3°F (22.4°C). A decrease in humidity is seen, but it is fairly minor relative to the overall trend. The wind continues to steadily blow just as it did in April. Cloud cover decreases providing clear skies for most of the month.Temperature
The onset of May brings an average high-temperature of a still pleasant 72.3°F (22.4°C), nearly matching the April temperature. Anaheim's nights in May experience an average temperature drop to a mild 56.1°F (13.4°C).Humidity
The average relative humidity in May is 64%.Rainfall
In May, the rain falls for 4 days. Throughout May, 0.2" (5mm) of precipitation is accumulated. Throughout the year, there are 52.5 rainfall days, and 7.09" (180mm) of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:35 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:57 pm PDT.
Sunshine
In Anaheim, the average sunshine in May is 11.3h.UV index
In Anaheim, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Anaheim, CA
- Average high temperature in May: 72.3°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in May: 56.1°F
The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).
Average pressure in May
Anaheim, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Anaheim, CA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in May
Anaheim, CA
- Average humidity in May: 64%
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (51%).
Average rainfall in May
Anaheim, CA
- Average rainfall in May: 0.2"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Anaheim, CA
- Average rainfall days in May: 4 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.5 days).
Average daylight in May /
Average sunshine in May
Anaheim, CA
- Average daylight in May: 13h and 54min
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 18min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
Anaheim, CA
- Average sunshine days in May: 23.6 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in May
Anaheim, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Anaheim, CA
- Average cloud cover in May: 17
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Anaheim, 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).
