May weather forecastBuchanan, IA
May
Weather in May
The last month of the spring, May, is an agreeable month in Buchanan, Iowa, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.5°F (11.4°C).Temperature
With the onset of May, Buchanan's weather sees a temperature rise, transitioning from a mild 58.1°F (14.5°C) in April to a pleasant 69.3°F (20.7°C). An average low-temperature of 52.5°F (11.4°C) is observed during the May nights.Humidity
In Buchanan, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall in Buchanan. Rain falls for 19 days and accumulates 4.65" (118mm) of precipitation.Snowfall
In Buchanan, snow does not fall in May through September.Daylight
The average length of the day in May in Buchanan is 14h and 34min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:32 pm CDT.
Sunshine
In Buchanan, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 5 in May translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Buchanan, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in May
Buchanan, 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 (29.9"Hg).
Average wind speed in May
Buchanan, IA
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in May
Buchanan, IA
- Average humidity in May: 79%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Buchanan, IA
- Average rainfall in May: 4.65"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in May
Buchanan, IA
- Average rainfall days in May: 19 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in May
Buchanan, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Buchanan, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Buchanan, 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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Buchanan, IA
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in May
Buchanan, 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 and December (UV index 1).
Average cloud cover in May
Buchanan, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Buchanan, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
