May weather forecastBarstow, CA
May
Weather in May
May, the last month of the spring in Barstow, is a moderately hot month, with an average temperature fluctuating between 80.1°F (26.7°C) and 56.8°F (13.8°C).Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's agreeable 72.3°F (22.4°C) to a moderately hot 80.1°F (26.7°C). Barstow, in the heat of May, registers a significant plunge to a mean of 56.8°F (13.8°C) during the nights.Humidity
In May, the average relative humidity is 32%.Rainfall
May is the last month it rains. During 1.6 rainfall days, in May, Barstow aggregates 0.08" (2mm) of precipitation. Throughout the year, in Barstow, there are 36.5 rainfall days, and 3.11" (79mm) of precipitation is accumulated.Snowfall
In Barstow, snow does not fall in February through October and December.Daylight
In May, the average length of the day is 14h and 1min.On the first day of May, sunrise is at 5:56 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:56 pm PDT.
Sunshine
In May, the average sunshine is 12h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 6 in May translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Barstow, CA
- Average high temperature in May: 80.1°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure in May
Barstow, CA
- Average pressure in May: 29.85"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in May
Barstow, CA
- Average wind speed in May: 12.6mph
The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in May
Barstow, CA
- Average humidity in May: 32%
The months with the highest relative humidity are January and December (48%).
The month with the lowest relative humidity is August (23%).
Average rainfall in May
Barstow, CA
- Average rainfall in May: 0.08"
The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in May
Barstow, CA
- Average rainfall days in May: 1.6 days
The month with the highest number of rainy days is December (5.6 days).
The month with the least rainy days is June (0.2 days).
Average snowfall in May
Barstow, CA
- Average snowfall in May: 0"
The month with the highest snowfall is November (0.39").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Barstow, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Barstow, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 12h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in May
Barstow, CA
- Average sunshine days in May: 28.8 days
The month with the most sunshine days is June (29.8 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in May
Barstow, CA
- Average UV index in May: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in May
Barstow, CA
- Average cloud cover in May: 9
The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in May
Barstow, 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).
