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
With the onset of May, Greeley's average high-temperature sees a rise, moving from April's refreshing 55.8°F (13.2°C) to an enjoyable 66.9°F (19.4°C). Greeley usually reports an average low-temperature of 50.5°F (10.3°C) during the month of May.Humidity
The average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 14.9 days and accumulates 2.13" (54mm) of precipitation.Snowfall
In Greeley, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:36 pm CDT.
Sunshine
In May, the average sunshine in Greeley is 8.1h.UV index
The months with the highest UV index in Greeley, Iowa, are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the average May temperature in Greeley?
What is the average humidity in May in Greeley?
What is the rainiest month in Greeley?
How much does it rain in Greeley in May?
When it does not snow in Greeley?
Does it snow in Greeley in May?
What is the average length of the day in May in Greeley?
When is the sunrise / sunset in May in Greeley?
How many hours of sunshine does Greeley have in May?
What is the month with the highest UV index in Greeley?
What is the UV index intensity in May in Greeley?
Average temperature in May
Greeley, IA
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Greeley, IA
- Average pressure in May: 29.94"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
Greeley, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Greeley, IA
- Average humidity in May: 80%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in May
Greeley, IA
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in May
Greeley, IA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Greeley, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Greeley, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.8 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
Greeley, IA
- Average daylight in May: 14h and 4min
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 6min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Greeley, IA
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Greeley, 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
Greeley, IA
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in May
Greeley, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Greeley, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
