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
Gridley sees an increase in average high-temperatures during May, moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 71.6°F (22°C). Gridley records a mean low-temperature of 54.9°F (12.7°C) in May.Humidity
In May, the average relative humidity in Gridley, Illinois, is 77%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 2.68" (68mm) of precipitation.Snowfall
In Gridley, Illinois, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:52 pm. On the last day of May, in Gridley, sunrise is at 5:26 am and sunset at 8:20 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
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 average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are the temperatures in Gridley in May?
What is the average humidity in May in Gridley?
What is the wettest month in Gridley?
How many days does it rain in May in Gridley?
When it does not snow in Gridley?
Does it snow in Gridley in May?
How many hours of daylight does Gridley have in May?
When is the sunrise / sunset in May in Gridley?
How long on average sun shines in May in Gridley?
What is the UV index intensity in May in Gridley?
Average temperature in May
Gridley, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in May
Gridley, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Gridley, IL
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Gridley, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Gridley, IL
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Gridley, IL
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Gridley, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Gridley, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 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
Gridley, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Gridley, IL
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Gridley, 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
Gridley, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in May
Gridley, IL
- 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).
Gridley, Illinois, USA
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