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 start of May brings a shift in the average high-temperature, increasing from April's mild 59.5°F (15.3°C) to a pleasant 69.8°F (21°C). During the month of May, Tracy anticipates a mean low-temperature of 52.9°F (11.6°C).Humidity
In May, the average relative humidity is 79%.Rainfall
The month with the most rainfall in Tracy is May, when the rain falls for 14.3 days and typically aggregates up to 2.09" (53mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Tracy. During 0.2 snowfall days, in May, Tracy aggregates 0.12" (3mm) of snow. Throughout the year, in Tracy, there are 29.7 snowfall days, and 5.16" (131mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:09 pm. On the last day of May, in Tracy, sunrise is at 5:40 am and sunset at 8:37 pm CDT.
Sunshine
The average sunshine in May in Tracy is 8.6h.UV index
The average daily maximum UV index in May in Tracy is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Tracy in May?
What is the average humidity in May in Tracy?
What is the rainiest month in Tracy?
How many days does it rain in May in Tracy?
What is the last month it snows in Tracy?
What is the average length of the day in May in Tracy?
What time are sunrise and sunset in May in Tracy?
How long on average sun shines in May in Tracy?
What is the UV index reading in May in Tracy?
Average temperature in May
Tracy, IA
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Tracy, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Tracy, IA
- Average wind speed in May: 8.9mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Tracy, IA
- Average humidity in May: 79%
The months with the highest relative humidity are January, February, June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Tracy, IA
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in May
Tracy, IA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Tracy, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Tracy, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Tracy, 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 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
Tracy, IA
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in May
Tracy, 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
Tracy, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in May
Tracy, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Tracy, Iowa, USA
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