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
May is marked by an average high-temperature of a still agreeable 69.8°F (21°C), almost identical to the preceding month. Vista encounters an average low-temperature of 54°F (12.2°C) during May nights.Humidity
The most humid month in Vista is May, with an average relative humidity of 70%.Rainfall
In Vista, in May, during 5.2 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Vista, during the entire year, the rain falls for 62.9 days and collects up to 9.17" (233mm) of precipitation.Daylight
In Vista, California, the average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:31 pm. On the last day of May, in Vista, sunrise is at 5:40 am and sunset at 7:52 pm PDT.
Sunshine
In May, the average sunshine in Vista is 11.2h.UV index
In Vista, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the average May temperature in Vista?
What is the most humid month in Vista?
What is the average humidity in May in Vista?
How much does it rain in Vista in May?
What is the average length of the day in May in Vista?
When are sunrise and sunset in May in Vista?
How long on average sun shines in May in Vista?
How high is the UV index in May in Vista?
Average temperature in May
Vista, CA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is February (48.4°F).
Average pressure in May
Vista, CA
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Vista, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in May
Vista, CA
- Average humidity in May: 70%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (57%).
Average rainfall in May
Vista, CA
- Average rainfall in May: 0.35"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Vista, CA
- Average rainfall days in May: 5.2 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.6 days).
Average daylight in May /
Average sunshine in May
Vista, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 1min
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
Vista, CA
- Average sunshine days in May: 21.5 days
The month with the most sunshine days is October (24.6 days).
The month with the least sunshine days is February (19.7 days).
Average UV index in May
Vista, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
Vista, CA
- Average cloud cover in May: 19
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Vista, 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).
Vista, California, USA
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