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
May's onset is marked by a temperature increase, moving from a refreshing 59.9°F (15.5°C) in April to an agreeable 69.6°F (20.9°C). Sandyville, in May, observes a steady average low-temperature of 52.9°F (11.6°C).Humidity
In Sandyville, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.9 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Sandyville. During 0.1 snowfall days, in May, Sandyville aggregates 0.04" (1mm) of snow. Throughout the year, there are 31.9 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In May, the average length of the day in Sandyville is 14h and 32min.On the first day of May, sunrise is at 6:09 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:40 pm CDT.
Sunshine
The average sunshine in May in Sandyville is 8.7h.UV index
In Sandyville, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Sandyville?
What is the average humidity in May in Sandyville?
What is the wettest month in Sandyville?
How many days does it rain in May in Sandyville?
What is the last month it snows in Sandyville?
What is the average length of the day in May in Sandyville?
What time are sunrise and sunset in May in Sandyville?
How long on average sun shines in May in Sandyville?
What is the UV index reading in May in Sandyville?
Average temperature in May
Sandyville, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Sandyville, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Sandyville, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Sandyville, IA
- Average humidity in May: 79%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Sandyville, IA
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in May
Sandyville, IA
- Average rainfall days in May: 15.9 days
The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in May
Sandyville, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sandyville, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sandyville, 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 12min).
- 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 18min).
Average sunshine days in May
Sandyville, IA
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Sandyville, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Sandyville, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Sandyville, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sandyville, Iowa, USA
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