May weather forecastCedar Rapids, IA
May
Weather in May
As Cedar Rapids transitions into summer, May experiences the highest rainfall for the year at 3.07" (78mm). Still, the days continue to get longer and warmer, offering residents ample time to revel in the blooming cityscape. The rainfall, in tandem with the rising temperatures, culminates in a slightly more humid environment. Despite some windy days, the weather remains comfortably pleasant overall. Preparing for the upcoming summer, the UV index rises, prompting residents to take appropriate precautions.Temperature
Cedar Rapids's transition into May is marked by a temperature shift, moving from a moderate 57.9°F (14.4°C) in April to a pleasant 68.9°F (20.5°C). Cedar Rapids records an average low of 52.3°F (11.3°C) throughout the nights in May.Humidity
In Cedar Rapids, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 16 days and accumulates 3.07" (78mm) of precipitation.Snowfall
In Cedar Rapids, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 35min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:35 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In Cedar Rapids, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during May leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cedar Rapids, IA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in May
Cedar Rapids, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Cedar Rapids, IA
- Average wind speed in May: 9.1mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Cedar Rapids, IA
- Average humidity in May: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Cedar Rapids, IA
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in May
Cedar Rapids, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Cedar Rapids, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Cedar Rapids, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cedar Rapids, 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 12min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Cedar Rapids, IA
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Cedar Rapids, 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 and December (UV index 1).
Average cloud cover in May
Cedar Rapids, 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 August and September (Cloud cover 30).
Average visibility in May
Cedar Rapids, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
