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 moderate 56.8°F (13.8°C) in April to a pleasant 68.9°F (20.5°C). Waterloo throughout May, experiences an average nighttime temperature of 52.2°F (11.2°C).Humidity
In Waterloo, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.11" (79mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Waterloo. During 0.1 snowfall days, in May, Waterloo aggregates 0.04" (1mm) of snow. In Waterloo, Indiana, during the entire year, snow falls for 54.1 days and aggregates up to 13.43" (341mm) of snow.Daylight
In May, the average length of the day is 14h and 32min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:38 pm. On the last day of May, sunrise is at 6:08 am and sunset at 9:06 pm EDT.
Sunshine
The average sunshine in May in Waterloo is 8.5h.UV index
The average daily maximum UV index in May in Waterloo is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in May translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Waterloo?
What is the average humidity in May in Waterloo?
What is the wettest month in Waterloo?
How much does it rain in Waterloo in May?
What is the last month it snows in Waterloo?
What is the average length of the day in May in Waterloo?
What time are sunrise and sunset in May in Waterloo?
How long on average sun shines in May in Waterloo?
What is the UV index reading in May in Waterloo?
Average temperature in May
Waterloo, IN
- Average high temperature in May: 68.9°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 (29.8°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Waterloo, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Waterloo, IN
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Waterloo, IN
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Waterloo, IN
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are January and December (1.34").
Average rainfall days in May
Waterloo, IN
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Waterloo, IN
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Waterloo, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Waterloo, IN
- 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 12min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Waterloo, IN
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in May
Waterloo, IN
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Waterloo, IN
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Waterloo, IN
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Waterloo, Indiana, USA
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