May weather forecastDuncombe, IA
May
Weather in May
May, the last month of the spring in Duncombe, is a pleasant month, with an average temperature ranging between min 52.5°F (11.4°C) and max 69.1°F (20.6°C).Temperature
In Duncombe, the onset of May comes with an increased average high-temperature, moving from April's refreshing 57.6°F (14.2°C) to an agreeable 69.1°F (20.6°C). During the month of May, the temperature generally drops to a low average of 52.5°F (11.4°C).Humidity
In May, the average relative humidity is 73%.Rainfall
In Duncombe, during May, the rain falls for 17.9 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Duncombe, during the entire year, the rain falls for 135.2 days and collects up to 26.5" (673mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Duncombe aggregates 0.2" (5mm) of snow. In Duncombe, during the entire year, snow falls for 41.8 days and aggregates up to 16.61" (422mm) of snow.Daylight
The average length of the day in May in Duncombe is 14h and 38min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:16 pm. On the last day of May, in Duncombe, sunrise is at 5:41 am and sunset at 8:46 pm CDT.
Sunshine
In Duncombe, the average sunshine in May is 8.5h.UV index
In Duncombe, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in May translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. 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
Duncombe, IA
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Duncombe, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Duncombe, IA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Duncombe, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Duncombe, IA
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Duncombe, IA
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Duncombe, IA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Duncombe, IA
- Average snowfall days in May: 0.3 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
Duncombe, 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 6min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Duncombe, IA
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in May
Duncombe, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Duncombe, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Duncombe, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
