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
May's arrival signals an increase in average high-temperatures, moving from April's refreshing 58.8°F (14.9°C) to an agreeable 69.6°F (20.9°C). In May, Berkley's temperature tends to fall to an average low of 52.9°F (11.6°C) during the night.Humidity
In Berkley, the average relative humidity in May is 75%.Rainfall
May is the month with the most rainfall in Berkley. Rain falls for 17.5 days and accumulates 4.17" (106mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Berkley. During 0.3 snowfall days, in May, Berkley aggregates 0.24" (6mm) of snow. Throughout the year, in Berkley, there are 37.2 snowfall days, and 13.35" (339mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 35min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:45 pm CDT.
Sunshine
The average sunshine in May in Berkley is 8.7h.UV index
In May, the average daily maximum UV index in Berkley is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - It is advised to guard against sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in May in Berkley?
What is the average humidity in May in Berkley?
What is the wettest month in Berkley?
How many days does it rain in May in Berkley?
What is the last month it snows in Berkley?
What is the average length of the day in May in Berkley?
What time are sunrise and sunset in May in Berkley?
How long on average sun shines in May in Berkley?
How high is the UV index in May in Berkley?
Average temperature in May
Berkley, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in May
Berkley, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Berkley, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Berkley, IA
- Average humidity in May: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Berkley, IA
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Berkley, IA
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Berkley, IA
- Average snowfall in May: 0.24"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Berkley, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Berkley, IA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Berkley, IA
- Average sunshine days in May: 11.4 days
The months with the most sunshine days are October, November and December (18.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Berkley, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Berkley, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in May
Berkley, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Berkley, Iowa, USA
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