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 arrival of May sees a shift in the average high-temperature, moving from a refreshing 56.7°F (13.7°C) in April to a pleasant 68.5°F (20.3°C). An average low-temperature of 51.6°F (10.9°C) marks the nights in Andover throughout May.Humidity
In May, the average relative humidity in Andover is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.5 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Andover. During 0.1 snowfall days, in May, Andover aggregates 0.04" (1mm) of snow. Throughout the year, in Andover, there are 41.2 snowfall days, and 16.73" (425mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 35min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:29 pm CDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Andover in May?
What is the average humidity in May in Andover?
What is the rainiest month in Andover?
How much does it rain in Andover in May?
What is the last month it snows in Andover?
What is the average length of the day in May in Andover?
When is the sunrise / sunset in May in Andover?
How many hours of sunshine does Andover have in May?
How high is the UV index in May in Andover?
Average temperature in May
Andover, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Andover, IA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Andover, IA
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Andover, IA
- Average humidity in May: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Andover, IA
- Average rainfall in May: 4.09"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in May
Andover, IA
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Andover, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Andover, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Andover, 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Andover, IA
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in May
Andover, IA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Andover, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Andover, 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).
Andover, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
