May weather forecastGraf, IA
May
Weather in May
The last month of the spring, May, is a refreshing month in Graf, Iowa, with an average temperature varying between 66.7°F (19.3°C) and 49.8°F (9.9°C).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's cool 55.2°F (12.9°C) to an enjoyable 66.7°F (19.3°C). The average temperature in Graf during May nights dips to a chilly 49.8°F (9.9°C).Humidity
In May, the average relative humidity is 81%.Rainfall
In Graf, in May, it is raining for 18.3 days, with typically 3.27" (83mm) of accumulated precipitation. In Graf, Iowa, during the entire year, the rain falls for 139.8 days and collects up to 24.88" (632mm) of precipitation.Snowfall
In Graf, snow does not fall in May through September.Daylight
The average length of the day in May in Graf is 14h and 38min.On the first day of May, sunrise is at 5:57 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:33 pm CDT.
Sunshine
The average sunshine in May is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Graf. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Graf, IA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in May
Graf, IA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Graf, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Graf, IA
- Average humidity in May: 81%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Graf, IA
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in May
Graf, IA
- Average rainfall days in May: 18.3 days
The months with the highest number of rainy days are May and June (18.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
Graf, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Graf, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Graf, 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 12min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Graf, IA
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in May
Graf, IA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Graf, IA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Graf, 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).
