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 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
Downey's May average high-temperature settles at a still pleasant 73.2°F (22.9°C), showing a near match with the preceding month. May nights experience a consistent temperature drop to a mild 56.8°F (13.8°C).Humidity
In May, the average relative humidity is 63%.Rainfall
In Downey, during May, the rain falls for 3 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Downey, during the entire year, the rain falls for 46 days and collects up to 6.77" (172mm) of precipitation.Daylight
In May, the average length of the day in Downey is 13h and 56min.On the first day of May, sunrise is at 6:02 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:58 pm PDT.
Sunshine
In Downey, the average sunshine in May is 11.3h.UV index
In Downey, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average May temperature in Downey?
What is the average humidity in May in Downey?
How many days does it rain in May in Downey?
How many hours of daylight does Downey have in May?
What time are sunrise and sunset in May in Downey?
How long on average sun shines in May in Downey?
How high is the UV index in May in Downey?
Average temperature in May
Downey, CA
- Average high temperature in May: 73.2°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (64.9°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in May
Downey, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in May
Downey, CA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in May
Downey, CA
- Average humidity in May: 63%
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (51%).
Average rainfall in May
Downey, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Downey, CA
- Average rainfall days in May: 3 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).
Average daylight in May /
Average sunshine in May
Downey, CA
- Average daylight in May: 13h and 5min
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 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in May
Downey, CA
- Average sunshine days in May: 25.5 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (22.2 days).
Average UV index in May
Downey, 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 February, November and December (UV index 4).
Average cloud cover in May
Downey, 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 6).
Average visibility in May
Downey, 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).
Downey, California, USA
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