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
Thayer's weather in May shows a rise in the average high-temperature, moving up from April's mild 59.9°F (15.5°C) to a pleasant 69.4°F (20.8°C). May brings an average low-temperature of 52.5°F (11.4°C) to Thayer.Humidity
In Thayer, the average relative humidity in May is 80%.Rainfall
In Thayer, in May, during 16.4 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Thayer, during the entire year, the rain falls for 122.6 days and collects up to 20.43" (519mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Thayer. May is the last month it regularly snows in Thayer. During 0.1 snowfall days, in May, Thayer aggregates 0.04" (1mm) of snow. In Thayer, during the entire year, snow falls for 30.8 days and aggregates up to 11.77" (299mm) of snow.Daylight
In Thayer, the average length of the day in May is 14h and 30min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:41 pm CDT.
Sunshine
The average sunshine in May in Thayer is 8.5h.UV index
In Thayer, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are May temperatures in Thayer?
What is the average humidity in May in Thayer?
How many days does it rain in May in Thayer?
What is the last month it snows in Thayer?
How many hours of daylight does Thayer have in May?
What time are sunrise and sunset in May in Thayer?
How many hours of sunshine does Thayer have in May?
What is the UV index intensity in May in Thayer?
Average temperature in May
Thayer, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in May
Thayer, 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
Thayer, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Thayer, IA
- Average humidity in May: 80%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Thayer, IA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in May
Thayer, IA
- Average rainfall days in May: 16.4 days
The months with the highest number of rainy days are May and June (16.4 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in May
Thayer, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Thayer, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Thayer, IA
- Average daylight in May: 14h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Thayer, IA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is December (21 days).
The months with the least sunshine days are May and June (11.3 days).
Average UV index in May
Thayer, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Thayer, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Thayer, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Thayer, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
