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
The start of May brings a rise in the average high-temperature, moving from a mild 57.7°F (14.3°C) in April to an agreeable 69.3°F (20.7°C). Roland, in May, experiences an average temperature of 52.5°F (11.4°C) at night.Humidity
In Roland, Iowa, the average relative humidity in May is 75%.Rainfall
May is the month with the most rainfall in Roland. Rain falls for 19.2 days and accumulates 4.49" (114mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Roland aggregates 0.39" (10mm) of snow. In Roland, Iowa, during the entire year, snow falls for 45.8 days and aggregates up to 16.85" (428mm) of snow.Daylight
The average length of the day in May in Roland is 14h and 36min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:13 pm. On the last day of May, in Roland, sunrise is at 5:40 am and sunset at 8:43 pm CDT.
Sunshine
In May, the average sunshine in Roland is 8.6h.UV index
The average daily maximum UV index in May in Roland is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during May leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. 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
What is the average May temperature in Roland?
What is the average humidity in May in Roland?
What is the rainiest month in Roland?
How much does it rain in Roland in May?
What is the last month it snows in Roland?
How many hours of daylight does Roland have in May?
When are sunrise and sunset in May in Roland?
How many hours of sunshine does Roland have in May?
How high is the UV index in May in Roland?
Average temperature in May
Roland, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in May
Roland, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Roland, 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 (7.1mph).
Average humidity in May
Roland, IA
- Average humidity in May: 75%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Roland, IA
- Average rainfall in May: 4.49"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Roland, IA
- Average rainfall days in May: 19.2 days
The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Roland, IA
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Roland, 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
Roland, IA
- Average daylight in May: 14h and 4min
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 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Roland, IA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in May
Roland, 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, October, November and December (UV index 2).
Average cloud cover in May
Roland, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Roland, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Roland, Iowa, USA
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