May weather forecastFallow, IA
May
Weather in May
May, the last month of the spring in Fallow, is an agreeable month, with an average temperature varying between 68.2°F (20.1°C) and 52.2°F (11.2°C).Temperature
Fallow's weather in May shows a rise in the average high-temperature, moving up from April's moderate 55.9°F (13.3°C) to an agreeable 68.2°F (20.1°C). Nighttime temperatures in May average to a fresh 52.2°F (11.2°C).Humidity
The average relative humidity in May is 69%.Rainfall
In Fallow, Iowa, during May, the rain falls for 18.1 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, there are 138 rainfall days, and 26.77" (680mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Fallow aggregates 0.2" (5mm) of snow. Throughout the year, there are 51.6 snowfall days, and 23.03" (585mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 42min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:51 pm CDT.
Sunshine
In Fallow, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fallow, IA
- Average high temperature in May: 68.2°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 (23.2°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in May
Fallow, 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 (29.88"Hg).
Average wind speed in May
Fallow, IA
- Average wind speed in May: 9.6mph
The windiest months (with the highest average wind speed) are January and April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in May
Fallow, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Fallow, IA
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Fallow, IA
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in May
Fallow, IA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fallow, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fallow, IA
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Fallow, IA
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in May
Fallow, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Fallow, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in May
Fallow, 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).
