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
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a refreshing 63.1°F (17.3°C) to an agreeable 69.1°F (20.6°C). A sharp reduction from the daytime highs is witnessed in Reilly Heights, California, during May, with nighttime temperatures averaging a low of 45.1°F (7.3°C).Humidity
In Reilly Heights, the average relative humidity in May is 69%.Rainfall
In May, in Reilly Heights, the rain falls for 5.7 days. Throughout May, 1.02" (26mm) of precipitation is accumulated. In Reilly Heights, during the entire year, the rain falls for 83.3 days and collects up to 17.72" (450mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in May in Reilly Heights is 14h and 20min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:33 pm PDT.
Sunshine
In May, the average sunshine in Reilly Heights is 10.5h.UV index
In May, the average daily maximum UV index in Reilly Heights, California, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in May translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are May temperatures in Reilly Heights?
What is the average humidity in May in Reilly Heights?
How many days does it rain in May in Reilly Heights?
When it does not snow in Reilly Heights?
How many hours of daylight does Reilly Heights have in May?
When are sunrise and sunset in May in Reilly Heights?
How long on average sun shines in May in Reilly Heights?
How high is the UV index in May in Reilly Heights?
Average temperature in May
Reilly Heights, CA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in May
Reilly Heights, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in May
Reilly Heights, CA
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in May
Reilly Heights, CA
- Average humidity in May: 69%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in May
Reilly Heights, CA
- Average rainfall in May: 1.02"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Reilly Heights, CA
- Average rainfall days in May: 5.7 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in May
Reilly Heights, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Reilly Heights, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Reilly Heights, CA
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Reilly Heights, CA
- Average sunshine days in May: 23 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in May
Reilly Heights, CA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in May
Reilly Heights, CA
- Average cloud cover in May: 29
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Reilly Heights, CA
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
Reilly Heights, California, USA
Weather forecast for your location
2. Allow the app to use your location
