May weather forecastRathbun, IA
May
Weather in May
May, the last month of the spring in Rathbun, is a pleasant month, with an average temperature varying between 69.4°F (20.8°C) and 53.1°F (11.7°C).Temperature
A shift in the average high-temperature is noticeable in May, changing from a moderate 60.4°F (15.8°C) in April to a pleasant 69.4°F (20.8°C). Throughout the month of May, Rathbun expects an average low of 53.1°F (11.7°C).Humidity
In Rathbun, Iowa, the average relative humidity in May is 81%.Rainfall
In Rathbun, Iowa, during May, the rain falls for 18.2 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, in Rathbun, there are 143.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rathbun are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Rathbun aggregates 0.2" (5mm) of snow. In Rathbun, Iowa, during the entire year, snow falls for 33.2 days and aggregates up to 15.31" (389mm) of snow.Daylight
In Rathbun, the average length of the day in May is 14h and 29min.On the first day of May in Rathbun, sunrise is at 6:08 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:36 pm CDT.
Sunshine
In Rathbun, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Rathbun is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rathbun, IA
- Average high temperature in May: 69.4°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 (30.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in May
Rathbun, 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
Rathbun, IA
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Rathbun, IA
- Average humidity in May: 81%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Rathbun, IA
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Rathbun, IA
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Rathbun, IA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rathbun, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rathbun, IA
- Average daylight in May: 14h and 30min
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 18min).
- Average sunshine in May: 8h and 36min
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
Rathbun, IA
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in May
Rathbun, 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
Rathbun, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in May
Rathbun, 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).
