May weather forecastBerwick, IA
May
Weather in May
The last month of the spring, May, is an agreeable month in Berwick, Iowa, with an average temperature varying between 53.1°F (11.7°C) and 69.6°F (20.9°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a mild 59.4°F (15.2°C) in April to a pleasant 69.6°F (20.9°C). Throughout May, Berwick anticipates an average low-temperature of 53.1°F (11.7°C).Humidity
The average relative humidity in May in Berwick is 77%.Rainfall
May is the month with the most rainfall in Berwick. Rain falls for 17 days and accumulates 3.98" (101mm) of precipitation.Snowfall
Months with snowfall in Berwick are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Berwick aggregates 0.16" (4mm) of snow. Throughout the year, there are 36.2 snowfall days, and 13.94" (354mm) of snow is accumulated.Daylight
In May, the average length of the day in Berwick, Iowa, is 14h and 33min.On the first day of May, sunrise is at 6:09 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:41 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May in Berwick is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Berwick, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Berwick, 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
Berwick, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Berwick, IA
- Average humidity in May: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Berwick, IA
- Average rainfall in May: 3.98"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Berwick, IA
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Berwick, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Berwick, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Berwick, IA
- Average daylight in May: 14h and 36min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Berwick, IA
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Berwick, 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
Berwick, 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
Berwick, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
