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
May's arrival coincides with a temperature rise, moving from April's mild 58.5°F (14.7°C) to a pleasant 69.4°F (20.8°C). Nighttime temperatures in Boyer consistently average a fresh 52.7°F (11.5°C) during May.Humidity
In May, the average relative humidity in Boyer, Iowa, is 72%.Rainfall
May is the month with the most rainfall in Boyer. Rain falls for 16 days and accumulates 3.82" (97mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Boyer aggregates 0.12" (3mm) of snow. Throughout the year, in Boyer, there are 36.8 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
In Boyer, Iowa, the average length of the day in May is 14h and 36min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:20 pm. On the last day of May, in Boyer, sunrise is at 5:47 am and sunset at 8:50 pm CDT.
Sunshine
In Boyer, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Boyer is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Put precautions into practice - Guidance to elude sunburn is provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Boyer in May?
What is the average humidity in May in Boyer?
What is the rainiest month in Boyer?
How much does it rain in Boyer in May?
What is the last month it snows in Boyer?
What is the average length of the day in May in Boyer?
What time are sunrise and sunset in May in Boyer?
How many hours of sunshine does Boyer have in May?
What is the UV index reading in May in Boyer?
Average temperature in May
Boyer, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in May
Boyer, 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 (29.87"Hg).
Average wind speed in May
Boyer, IA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in May
Boyer, IA
- Average humidity in May: 72%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in May
Boyer, IA
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Boyer, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Boyer, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Boyer, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Boyer, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Boyer, IA
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in May
Boyer, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Boyer, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Boyer, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Boyer, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location