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
As May begins, there is an increase in the average high-temperature, moving from a refreshing 62.8°F (17.1°C) in April to an agreeable 73°F (22.8°C). During the nights in May, an average low-temperature of 56.7°F (13.7°C) is observed in Westfield.Humidity
The average relative humidity in May is 80%.Rainfall
In Westfield, in May, it is raining for 14.9 days, with typically 1.34" (34mm) of accumulated precipitation. In Westfield, during the entire year, the rain falls for 115.9 days and collects up to 11.26" (286mm) of precipitation.Snowfall
In Westfield, snow does not fall in May through October.Daylight
In Westfield, the average length of the day in May is 14h and 22min.On the first day of May in Westfield, sunrise is at 5:51 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:12 pm CDT.
Sunshine
In Westfield, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index in Westfield is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the usual temperature for Westfield in May?
What is the average humidity in May in Westfield?
How many days does it rain in May in Westfield?
When it does not snow in Westfield?
Does it snow in Westfield in May?
What is the average length of the day in May in Westfield?
What time are sunrise and sunset in May in Westfield?
How long on average sun shines in May in Westfield?
What is the UV index intensity in May in Westfield?
Average temperature in May
Westfield, IL
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in May
Westfield, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Westfield, IL
- Average wind speed in May: 8.4mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in May
Westfield, IL
- Average humidity in May: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Westfield, IL
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is April (1.54").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in May
Westfield, IL
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6 days).
Average snowfall in May
Westfield, IL
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Westfield, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Westfield, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Westfield, IL
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in May
Westfield, IL
- 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 December (UV index 1).
Average cloud cover in May
Westfield, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Westfield, IL
- 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).
Westfield, Illinois, USA
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