May weather forecastStacyville, IA
May
Weather in May
May, the last month of the spring in Stacyville, is an enjoyable month, with an average temperature fluctuating between 49.8°F (9.9°C) and 66.4°F (19.1°C).Temperature
May signals a shift in the average high-temperature, moving from April's cool 54.3°F (12.4°C) to a comfortable 66.4°F (19.1°C). May nights in Stacyville, Iowa, cool down to an average low-temperature of 49.8°F (9.9°C).Humidity
The average relative humidity in May in Stacyville is 76%.Rainfall
In Stacyville, during May, the rain falls for 17.3 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 135.3 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Stacyville. During 0.5 snowfall days, in May, Stacyville aggregates 0.47" (12mm) of snow. Throughout the year, in Stacyville, there are 50.9 snowfall days, and 22.83" (580mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 43min.On the first day of May in Stacyville, Iowa, sunrise is at 6:02 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:44 pm CDT.
Sunshine
In May, the average sunshine in Stacyville is 8.4h.UV index
In May, the average daily maximum UV index in Stacyville is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Stacyville, IA
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in May
Stacyville, IA
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Stacyville, 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 (7.3mph).
Average humidity in May
Stacyville, IA
- Average humidity in May: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Stacyville, IA
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Stacyville, IA
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Stacyville, IA
- Average snowfall in May: 0.47"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Stacyville, IA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Stacyville, IA
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Stacyville, IA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in May
Stacyville, 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, November and December (UV index 1).
Average cloud cover in May
Stacyville, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Stacyville, IA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





