May weather forecastToolesboro, IA
May
Weather in May
May, the last month of the spring in Toolesboro, is an agreeable month, with an average temperature ranging between max 70.7°F (21.5°C) and min 53.8°F (12.1°C).Temperature
May's arrival signals a temperature shift, moving from a mild 60.1°F (15.6°C) in April to an agreeable 70.7°F (21.5°C). Toolesboro's nighttime temperature during May is consistently averaged at a cool 53.8°F (12.1°C).Humidity
In May, the average relative humidity is 78%.Rainfall
The month with the most rainfall in Toolesboro, Iowa, is May, when the rain falls for 18.8 days and typically aggregates up to 4.65" (118mm) of precipitation.Snowfall
In Toolesboro, snow does not fall in May through September.Daylight
In Toolesboro, the average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:01 pm. On the last day of May, in Toolesboro, sunrise is at 5:33 am and sunset at 8:30 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In Toolesboro, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Toolesboro, IA
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in May
Toolesboro, 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
Toolesboro, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Toolesboro, IA
- Average humidity in May: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Toolesboro, IA
- Average rainfall in May: 4.65"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days in May
Toolesboro, IA
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Toolesboro, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Toolesboro, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.1 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
Toolesboro, IA
- Average daylight in May: 14h and 30min
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 54min
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
Toolesboro, IA
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in May
Toolesboro, 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 January (UV index 1).
Average cloud cover in May
Toolesboro, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Toolesboro, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





