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
Brandon sees an increase in average high-temperatures during May, moving from a mild 57°F (13.9°C) in April to a pleasant 68.5°F (20.3°C). An average minimum temperature of 51.8°F (11°C) marks the month of May.Humidity
In Brandon, the average relative humidity in May is 78%.Rainfall
In Brandon, in May, it is raining for 16 days, with typically 2.44" (62mm) of accumulated precipitation. In Brandon, Iowa, during the entire year, the rain falls for 117.9 days and collects up to 15.63" (397mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Brandon aggregates 0.12" (3mm) of snow. Throughout the year, there are 31.8 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
In Brandon, the average length of the day in May is 14h and 37min.On the first day of May, sunrise is at 6:02 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:37 pm CDT.
Sunshine
In Brandon, Iowa, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in May translates into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Brandon have in May?
What is the UV index reading in May?
Average temperature in May
Brandon, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in May
Brandon, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Brandon, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Brandon, IA
- Average humidity in May: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Brandon, IA
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in May
Brandon, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is May (16 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall in May
Brandon, IA
- Average snowfall in May: 0.12"
The months with the highest snowfall are January and February (1.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Brandon, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Brandon, 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 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Brandon, IA
- Average sunshine days in May: 13 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Brandon, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Brandon, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
Brandon, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Brandon, Iowa, USA
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