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
The arrival of May brings a temperature shift, with the average high-temperature escalating from an enjoyable 61.3°F (16.3°C) in April to an agreeable 71.1°F (21.7°C). Balfour's May nights cool down to an average low-temperature of 54.3°F (12.4°C).Humidity
The average relative humidity in May in Balfour is 73%.Rainfall
In Balfour, in May, during 17.2 rainfall days, 4.41" (112mm) of precipitation is typically accumulated. Throughout the year, there are 129.5 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
Months with snowfall in Balfour are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Balfour aggregates 0.12" (3mm) of snow. In Balfour, during the entire year, snow falls for 31.3 days and aggregates up to 12.56" (319mm) of snow.Daylight
In Balfour, the average length of the day in May is 14h and 30min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:19 pm. On the last day of May, in Balfour, sunrise is at 5:52 am and sunset at 8:48 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index in Balfour is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Take precautions - Protection against sun damage is advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the usual temperature for Balfour in May?
What is the average humidity in May in Balfour?
How much does it rain in Balfour in May?
What is the last month it snows in Balfour?
How many hours of daylight does Balfour have in May?
When are sunrise and sunset in May in Balfour?
How many hours of sunshine does Balfour have in May?
How high is the UV index in May in Balfour?
Average temperature in May
Balfour, IA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Balfour, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Balfour, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Balfour, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Balfour, IA
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is June (4.57").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in May
Balfour, IA
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Balfour, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Balfour, IA
- Average snowfall days in May: 0.2 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
Balfour, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
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 42min).
Average sunshine days in May
Balfour, IA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Balfour, IA
- 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, October, November and December (UV index 2).
Average cloud cover in May
Balfour, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Balfour, 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).
Balfour, Iowa, USA
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